Active NPI 1386653236 Individual Practitioner Male Practitioner

Dr. Michael Matlock Johnson , MD

Internal Medicine • Fredericksburg, TX

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Michael Johnson, MD is a certified Internal Medicine practicing in Fredericksburg, TX. With approximately 24 years of clinical experience since completing medical education in 2002, Dr. Johnson delivers high-quality medical care to the local community at 1308 S HIGHWAY 16.

Dr. Johnson is affiliated with Fredericksburg Clinic Pllc and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include established patient outpatient office visit, insertion of needle into vein for collection of blood sample, blood test, comprehensive group of blood chemicals. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1308 S Highway 16

Fredericksburg, TX 786245058

Telephone 8309972181

Fax 8309979598

Associated Practice Facility / Clinic

🏢 Fredericksburg Clinic, Pllc Facility NPI 1033145545

Medicare Profile & Education

Medical School

Other

Graduation Year

2002

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Fredericksburg, TX

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

24 Yrs -3.0 yrs vs City Avg

City Avg: 27.0 Yrs

State Avg: 26.2 Yrs

Regional Practice Density

10 Specialists

Practicing in Fredericksburg, TX (9538 Statewide)

Telehealth Adoption Rate

30.0% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

52.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Johnson (24 Years) 24 Yrs

Fredericksburg Specialty Average (27.0 Years) 27.0 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	1,511	692	$229.93	$122.25
36415 Insertion of needle into vein for collection of blood sample	1,413	692	$15.00	$8.65
80053 Blood test, comprehensive group of blood chemicals	1,348	682	$125.00	$10.35
G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's	1,146	515	$38.02	$15.73
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	819	573	$60.00	$7.61
80061 Blood test, lipids (cholesterol and triglycerides)	679	619	$69.00	$13.12
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	609	609	$275.00	$123.65
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	469	61	$90.00	$59.84
99213 Established patient office or other outpatient visit, typically 15 minutes	468	307	$160.00	$85.97
G0008 Administration of influenza virus vaccine	265	263	$50.00	$31.03
90653 Vaccine for influenza for injection into muscle	256	256	$100.00	$81.82
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	240	33	$20.00	$0.94
84443 Blood test, thyroid stimulating hormone (TSH)	215	151	$95.00	$16.46
G0103 Prostate cancer screening; prostate specific antigen test (psa)	134	134	$95.00	$18.92
83036 Hemoglobin A1C level	125	121	$58.66	$9.52
87428 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza	112	99	$150.00	$66.81
81000 Manual urinalysis test with examination using microscope, non-automated	96	77	$30.00	$3.94
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	94	33	$50.00	$13.56
82306 Vitamin d-3 level	83	82	$150.00	$29.01
J1100 Injection, dexamethasone sodium phosphate, 1 mg	80	19	$10.00	$0.12
77080 Dxa bone density measurement of hip, pelvis, spine	73	73	$350.00	$35.56
84153 Psa (prostate specific antigen) measurement, total	69	64	$95.00	$18.02
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	60	60	$320.00	$160.06
82607 Cyanocobalamin (vitamin B-12) level	57	57	$75.00	$14.78
99474 Self measured blood pressure measurements	53	47	$50.00	$15.29
99439 Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month	47	23	$90.00	$45.71
93000 Routine ekg using at least 12 leads including interpretation and report	46	46	$80.00	$13.60
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	40	16	$175.00	$102.54
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	38	38	$200.00	$157.14
99496 Transitional care management services for problem of high complexity	34	29	$425.00	$265.98
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	26	21	$300.00	$172.63
G0328 Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous	24	24	$50.00	$17.69
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	23	23	$350.00	$290.08
G0009 Administration of pneumococcal vaccine	23	23	$50.00	$31.03
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	21	21	$200.00	$157.75
99495 Transitional care management services for problem of at least moderate complexity	21	20	$350.00	$188.26
99473 Education and training to self measure blood pressure	19	14	$50.00	$13.31
69210 Removal of impacted ear wax	14	12	$100.00	$45.54
20610 Aspiration and/or injection of fluid from large joint	13	12	$150.00	$66.66
82550 Creatine kinase (cardiac enzyme) level, total	12	11	$35.00	$6.38
G0403 Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report	12	12	$50.00	$13.63
95992 Repositioning maneuvers for treatment of vertigo, per day	11	11	$90.00	$40.59

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	1,550	696	$230.00	$123.77
36415 Insertion of needle into vein for collection of blood sample	1,222	655	$15.00	$8.40
80053 Blood test, comprehensive group of blood chemicals	1,146	628	$125.00	$10.35
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	968	624	$60.00	$7.61
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	642	642	$275.00	$126.47
80061 Blood test, lipids (cholesterol and triglycerides)	616	561	$69.00	$13.12
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	519	73	$90.00	$60.93
99213 Established patient office or other outpatient visit, typically 15 minutes	509	315	$160.00	$87.76
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	312	41	$20.00	$1.08
G0008 Administration of influenza virus vaccine	263	262	$50.00	$29.51
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage	259	259	$79.90	$74.78
84443 Blood test, thyroid stimulating hormone (TSH)	175	133	$95.00	$16.46
87428 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza	127	110	$150.00	$58.23
81000 Manual urinalysis test with examination using microscope, non-automated	116	100	$30.00	$3.94
82306 Vitamin d-3 level	108	108	$150.00	$29.01
G0103 Prostate cancer screening; prostate specific antigen test (psa)	100	100	$95.00	$18.92
99474 Self measured blood pressure measurements	89	69	$50.00	$14.76
J1100 Injection, dexamethasone sodium phosphate, 1 mg	88	18	$9.36	$0.12
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	82	29	$50.00	$13.76
77080 Dxa bone density measurement of hip, pelvis, spine	75	75	$350.00	$35.62
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	62	62	$320.00	$161.37
93000 Routine ekg using at least 12 leads including interpretation and report	59	53	$80.00	$14.03
99439 Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month	57	34	$90.00	$46.11
G0009 Administration of pneumococcal vaccine	46	46	$50.00	$29.51
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	46	46	$350.00	$282.26
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	44	37	$300.00	$174.75
84153 Psa (prostate specific antigen) measurement, total	43	37	$95.00	$18.02
99496 Transitional care management services for problem of high complexity	39	33	$425.00	$269.74
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	36	20	$175.00	$104.10
G0328 Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous	30	30	$50.00	$17.69
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	25	25	$200.00	$162.10
20610 Aspiration and/or injection of fluid from large joint	25	19	$150.00	$65.34
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	22	22	$200.00	$161.78
93922 Ultrasound study of arm and leg arteries	20	18	$400.00	$77.18
82607 Cyanocobalamin (vitamin B-12) level	18	18	$75.00	$14.78
99406 Smoking and tobacco use intermediate counseling, greater than 3 minutes up to 10 minutes	13	13	$30.00	$14.48
G0403 Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report	13	13	$50.00	$14.02
99495 Transitional care management services for problem of at least moderate complexity	13	13	$350.00	$199.03

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	1,582	713	$230.00	$125.01
80053 Blood test, comprehensive group of blood chemicals	1,122	658	$124.95	$10.42
36415 Insertion of needle into vein for collection of blood sample	1,107	637	$15.00	$2.96
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	747	496	$60.00	$7.66
80061 Blood test, lipids (cholesterol and triglycerides)	687	630	$69.00	$13.21
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	637	637	$275.00	$128.40
99213 Established patient office or other outpatient visit, typically 15 minutes	537	344	$160.00	$88.64
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	417	63	$87.51	$61.15
G0008 Administration of influenza virus vaccine	287	283	$50.00	$28.41
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage	284	280	$85.00	$70.05
84443 Blood test, thyroid stimulating hormone (TSH)	266	184	$95.00	$16.60
82306 Vitamin d-3 level	208	194	$150.00	$29.23
G0103 Prostate cancer screening; prostate specific antigen test (psa)	173	173	$95.00	$19.06
81000 Manual urinalysis test with examination using microscope, non-automated	140	116	$30.00	$3.97
G0009 Administration of pneumococcal vaccine	123	122	$50.00	$28.51
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	120	20	$20.00	$1.10
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	103	103	$350.00	$278.05
77080 Dxa bone density measurement of hip, pelvis, spine	93	93	$350.00	$36.49
87428 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza	78	67	$150.00	$30.58
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	76	16	$50.00	$14.05
87804 Detection test by immunoassay with direct visual observation for influenza virus	74	36	$50.00	$16.45
87635 Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen	71	68	$85.00	$50.75
84153 Psa (prostate specific antigen) measurement, total	68	60	$95.00	$18.19
99474 Self measured blood pressure measurements	67	56	$50.00	$14.73
93000 Routine ekg using at least 12 leads including interpretation and report	60	55	$80.00	$13.90
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	51	51	$320.00	$163.02
82607 Cyanocobalamin (vitamin B-12) level	49	47	$75.00	$14.90
80048 Blood test, basic group of blood chemicals (calcium, total)	44	39	$50.00	$8.42
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	43	39	$300.00	$177.10
99439 Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month	40	26	$87.75	$46.62
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	32	15	$175.00	$87.97
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	31	31	$200.00	$164.20
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	27	27	$200.00	$164.61
G0328 Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous	27	27	$50.00	$17.86
99495 Transitional care management services for problem of at least moderate complexity	21	21	$350.00	$202.11
99496 Transitional care management services for problem of high complexity	20	17	$425.00	$272.52
99406 Smoking and tobacco use intermediate counseling, greater than 3 minutes up to 10 minutes	19	19	$30.00	$15.02
93922 Ultrasound study of arm and leg arteries	16	13	$400.00	$80.63
20610 Aspiration and/or injection of fluid from large joint	15	12	$150.00	$63.28
G0403 Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report	13	13	$50.00	$13.88

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	1,434	727	$220.11	$127.53
80053 Blood test, comprehensive group of blood chemicals	1,107	707	$125.00	$10.56
36415 Insertion of needle into vein for collection of blood sample	1,009	642	$15.00	$3.00
80061 Blood test, lipids (cholesterol and triglycerides)	758	680	$69.00	$13.39
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	666	666	$275.00	$130.84
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	591	421	$60.00	$7.77
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	469	70	$50.00	$40.18
99213 Established patient office or other outpatient visit, typically 15 minutes	467	309	$149.98	$89.83
84443 Blood test, thyroid stimulating hormone (TSH)	247	177	$95.00	$16.80
G0008 Administration of influenza virus vaccine	235	233	$50.00	$16.46
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage	232	231	$83.53	$66.17
G0103 Prostate cancer screening; prostate specific antigen test (psa)	225	225	$95.00	$19.31
82306 Vitamin d-3 level	211	197	$150.00	$29.60
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	160	27	$20.00	$1.28
87635 Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen	94	81	$85.00	$51.31
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	91	91	$320.00	$161.67
G0009 Administration of pneumococcal vaccine	90	88	$50.00	$16.49
81000 Manual urinalysis test with examination using microscope, non-automated	78	67	$30.00	$4.02
80048 Blood test, basic group of blood chemicals (calcium, total)	78	66	$50.00	$8.46
77080 Dxa bone density measurement of hip, pelvis, spine	75	75	$341.33	$37.32
87804 Detection test by immunoassay with direct visual observation for influenza virus	72	34	$50.00	$16.55
99474 Self measured blood pressure measurements	70	60	$50.00	$14.64
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	66	53	$300.00	$177.97
84153 Psa (prostate specific antigen) measurement, total	65	45	$95.00	$18.39
93000 Routine ekg using at least 12 leads including interpretation and report	59	52	$80.00	$14.49
90670 Pneumococcal vaccine for injection into muscle	54	54	$300.00	$240.13
93922 Ultrasound study of arm and leg arteries	51	29	$400.00	$83.88
81001 Manual urinalysis test with examination using microscope, automated	42	37	$30.00	$3.17
91306 Sarscov2 vac 50mcg/0.25ml im	39	39	$0.01	$0.01
0064A Adm sarscov2 50mcg/0.25mlbst	39	39	$50.00	$38.69
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	38	38	$200.00	$166.49
G0328 Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous	37	37	$50.00	$18.05
99439 Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month	36	16	$45.00	$36.74
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	33	33	$175.00	$125.37
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	32	19	$50.00	$13.95
85651 Red blood cell sedimentation rate, to detect inflammation, non-automated	30	27	$40.00	$4.27
82607 Cyanocobalamin (vitamin B-12) level	28	28	$75.00	$15.08
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	28	17	$175.00	$88.97
91303 Sarscov2 vac ad26 .5ml im	26	26	$0.01	$0.01
99496 Transitional care management services for problem of high complexity	21	19	$425.00	$263.18
99495 Transitional care management services for problem of at least moderate complexity	20	19	$350.00	$202.89
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	20	20	$200.00	$166.15
0034A Fee covid-19 vac 4 res	20	20	$50.00	$38.69
99406 Smoking and tobacco use intermediate counseling, greater than 3 minutes up to 10 minutes	20	20	$30.00	$15.33
20610 Aspiration and/or injection of fluid from large joint	19	16	$150.00	$62.81
99487 Complex chronic care management services for two or more chronic conditions, first 60 minutes of clinical staff time directed by health care professional, per calendar month	19	11	$125.00	$89.59
G0403 Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report	17	17	$50.00	$14.46
84439 Thyroxine (thyroid chemical), free	15	13	$75.00	$9.02
95992 Repositioning maneuvers for treatment of vertigo, per day	14	14	$90.00	$43.65
99358 Prolonged patient service without direct patient contact first hour	12	11	$200.00	$109.14

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	1,446	713	$210.00	$106.79
36415 Insertion of needle into vein for collection of blood sample	1,182	670	$15.00	$2.98
80053 Blood test, comprehensive group of blood chemicals	1,138	695	$125.00	$10.49
80061 Blood test, lipids (cholesterol and triglycerides)	739	645	$69.00	$13.31
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	626	626	$274.76	$114.32
99213 Established patient office or other outpatient visit, typically 15 minutes	551	350	$140.00	$73.56
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	540	365	$43.70	$7.72
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	430	80	$50.00	$41.00
G0008 Administration of influenza virus vaccine	320	318	$49.69	$16.21
90653 Vaccine for influenza for injection into muscle	313	312	$65.00	$59.51
84443 Blood test, thyroid stimulating hormone (TSH)	271	191	$95.00	$16.70
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	235	35	$8.77	$1.53
G0103 Prostate cancer screening; prostate specific antigen test (psa)	194	194	$89.54	$19.18
83036 Hemoglobin A1C level	187	158	$46.00	$9.57
82306 Vitamin d-3 level	172	166	$150.00	$29.41
81001 Manual urinalysis test with examination using microscope, automated	107	87	$30.00	$3.15
80048 Blood test, basic group of blood chemicals (calcium, total)	101	74	$50.00	$8.40
J1100 Injection, dexamethasone sodium phosphate, 1 mg	91	22	$5.40	$0.12
93922 Ultrasound study of arm and leg arteries	89	48	$400.00	$82.67
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	84	35	$50.00	$13.96
77080 Dxa bone density measurement of hip, pelvis, spine	78	77	$300.00	$37.92
93000 Routine ekg using at least 12 leads including interpretation and report	70	67	$80.00	$16.71
G0009 Administration of pneumococcal vaccine	65	64	$50.00	$16.11
87804 Detection test by immunoassay with direct visual observation for influenza virus	58	28	$44.14	$16.36
84153 Psa (prostate specific antigen) measurement, total	52	43	$94.81	$18.30
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	49	49	$320.00	$162.33
82043 Urine microalbumin (protein) level	47	47	$60.00	$5.70
82607 Cyanocobalamin (vitamin B-12) level	46	45	$75.00	$14.96
99487 Complex chronic care management services for two or more chronic conditions, first 60 minutes of clinical staff time directed by health care professional, per calendar month	41	20	$125.00	$89.46
85610 Blood test, clotting time	38	18	$50.00	$4.25
85651 Red blood cell sedimentation rate, to detect inflammation, non-automated	38	35	$27.76	$4.26
90670 Pneumococcal vaccine for injection into muscle	35	35	$285.00	$224.26
86769 Measure of severe acute respiratory syndrome coronavirus 2 (covid-19) antibody	32	30	$84.06	$42.13
99495 Transitional care management services for problem of at least moderate complexity	32	32	$335.16	$182.54
G0328 Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous	31	31	$45.81	$17.96
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	30	30	$200.00	$165.13
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	30	29	$155.83	$118.06
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	29	27	$300.00	$144.03
84439 Thyroxine (thyroid chemical), free	27	18	$75.00	$8.97
84403 Testosterone (hormone) level, total	27	20	$120.00	$25.58
84550 Uric acid level, blood	26	26	$30.58	$4.50
99496 Transitional care management services for problem of high complexity	25	25	$369.00	$240.95
20610 Aspiration and/or injection of fluid from large joint	16	13	$184.38	$61.30
69210 Removal of impacted ear wax	16	16	$100.00	$47.16
86140 Measurement C-reactive protein for detection of infection or inflammation	16	16	$100.00	$5.14
G0403 Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report	15	15	$66.00	$16.65
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	14	14	$200.00	$169.23
99406 Smoking and tobacco use intermediate counseling, greater than 3 minutes up to 10 minutes	13	12	$30.00	$15.17
99442 Telephone medical discussion with physician, 11-20 minutes	11	11	$101.36	$68.53

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	1,578	729	$210.00	$105.51
36415 Insertion of needle into vein for collection of blood sample	1,402	690	$15.00	$2.94
80053 Blood test, comprehensive group of blood chemicals	1,226	698	$111.81	$11.50
80061 Blood test, lipids (cholesterol and triglycerides)	813	649	$69.00	$14.58
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	584	584	$248.29	$112.91
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	498	91	$50.00	$40.43
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	465	62	$8.00	$1.60
99213 Established patient office or other outpatient visit, typically 15 minutes	456	304	$140.00	$72.12
83036 Hemoglobin A1C level	452	229	$46.00	$10.53
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	443	302	$40.00	$8.45
83721 Ldl cholesterol level	408	397	$40.00	$10.38
84443 Blood test, thyroid stimulating hormone (TSH)	329	210	$95.00	$18.30
G0008 Administration of influenza virus vaccine	318	313	$40.00	$15.90
90653 Vaccine for influenza for injection into muscle	282	279	$65.00	$58.22
82306 Vitamin d-3 level	193	182	$150.00	$32.23
80048 Blood test, basic group of blood chemicals (calcium, total)	192	145	$50.00	$9.16
G0103 Prostate cancer screening; prostate specific antigen test (psa)	177	177	$85.00	$20.03
82043 Urine microalbumin (protein) level	151	137	$60.00	$6.29
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	137	53	$50.00	$16.14
J1100 Injection, dexamethasone sodium phosphate, 1 mg	101	26	$5.24	$0.13
81000 Manual urinalysis test with examination using microscope, non-automated	80	73	$30.00	$3.94
81001 Manual urinalysis test with examination using microscope, automated	79	74	$30.00	$3.45
84153 Psa (prostate specific antigen) measurement, total	73	58	$95.00	$20.03
G0009 Administration of pneumococcal vaccine	73	73	$48.08	$15.90
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	73	60	$300.00	$141.82
77080 Dxa bone density measurement of hip, pelvis, spine	71	70	$269.01	$36.88
93000 Routine ekg using at least 12 leads including interpretation and report	71	68	$74.37	$16.40
84550 Uric acid level, blood	57	48	$30.00	$4.92
85651 Red blood cell sedimentation rate, to detect inflammation, non-automated	51	41	$25.00	$4.18
99495 Transitional care management services for problem of at least moderate complexity	50	47	$325.00	$159.34
J7040 Infusion, normal saline solution, sterile (500 ml = 1 unit)	46	14	$40.00	$1.22
87804 Detection test by immunoassay with direct visual observation for influenza virus	44	22	$40.00	$15.78
82607 Cyanocobalamin (vitamin B-12) level	41	41	$56.22	$16.41
90670 Pneumococcal vaccine for injection into muscle	40	40	$275.00	$210.52
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	40	40	$200.00	$162.04
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	38	38	$200.00	$167.02
G0328 Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous	34	34	$40.00	$17.69
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	33	33	$320.00	$160.25
84439 Thyroxine (thyroid chemical), free	31	24	$75.00	$9.82
93922 Ultrasound study of arm and leg arteries	31	30	$400.00	$82.37
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	30	30	$141.67	$108.34
90688 Vaccine for influenza for administration into muscle, 0.5 ml dosage	27	27	$50.00	$17.48
85610 Blood test, clotting time	25	16	$50.00	$4.28
82550 Creatine kinase (cardiac enzyme) level, total	25	23	$35.00	$7.09
99487 Complex chronic care management services for two or more chronic conditions, first 60 minutes of clinical staff time directed by health care professional, per calendar month	24	11	$125.00	$88.63
99496 Transitional care management services for problem of high complexity	23	21	$325.00	$224.95
J1030 Injection, methylprednisolone acetate, 40 mg	20	20	$40.00	$6.49
G0403 Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report	20	20	$80.00	$16.46
99406 Smoking and tobacco use intermediate counseling, greater than 3 minutes up to 10 minutes	19	18	$30.00	$14.52
Q3014 Telehealth originating site facility fee	18	16	$35.00	$25.73
96360 Infusion into a vein for hydration, 31-60 minutes	18	15	$144.44	$36.24
20610 Aspiration and/or injection of fluid from large joint	18	17	$200.00	$57.04
84403 Testosterone (hormone) level, total	14	11	$120.00	$28.11
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	13	13	$48.46	$18.65
69210 Removal of impacted ear wax	13	13	$100.00	$43.47
95992 Repositioning maneuvers for treatment of vertigo, per day	13	13	$65.00	$43.48

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	1,617	712	$208.03	$103.75
36415 Insertion of needle into vein for collection of blood sample	1,535	700	$15.10	$2.93
80053 Blood test, comprehensive group of blood chemicals	1,074	676	$54.96	$12.73
80061 Blood test, lipids (cholesterol and triglycerides)	755	636	$68.99	$16.15
83721 Ldl cholesterol level	751	633	$35.11	$11.50
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	633	107	$53.60	$40.72
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	542	542	$151.94	$111.70
99213 Established patient office or other outpatient visit, typically 15 minutes	508	325	$140.00	$69.89
83036 Hemoglobin A1C level	474	215	$46.00	$11.67
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	352	239	$39.94	$9.40
84443 Blood test, thyroid stimulating hormone (TSH)	351	213	$94.96	$20.31
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	344	42	$8.00	$1.82
80048 Blood test, basic group of blood chemicals (calcium, total)	329	235	$49.88	$10.15
G0008 Administration of influenza virus vaccine	302	292	$38.28	$19.51
G0103 Prostate cancer screening; prostate specific antigen test (psa)	183	183	$80.05	$22.26
90688 Vaccine for influenza for administration into muscle, 0.5 ml dosage	175	173	$50.03	$17.48
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	144	44	$50.00	$19.65
82306 Vitamin d-3 level	133	123	$121.84	$35.82
82043 Urine microalbumin (protein) level	128	125	$58.00	$7.00
81000 Manual urinalysis test with examination using microscope, non-automated	107	90	$24.00	$3.91
87804 Detection test by immunoassay with direct visual observation for influenza virus	104	51	$36.08	$16.22
G0328 Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous	81	81	$45.00	$19.25
84153 Psa (prostate specific antigen) measurement, total	78	58	$94.68	$22.26
90653 Vaccine for influenza for injection into muscle	78	78	$65.00	$53.58
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	70	12	$2.07	$0.25
77080 Dxa bone density measurement of hip, pelvis, spine	68	68	$245.00	$38.74
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	67	67	$179.25	$165.66
93000 Routine ekg using at least 12 leads including interpretation and report	57	54	$82.00	$16.26
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	49	49	$319.00	$157.01
84550 Uric acid level, blood	49	41	$26.16	$5.47
85651 Red blood cell sedimentation rate, to detect inflammation, non-automated	48	40	$24.04	$4.29
J1100 Injection, dexamethasone sodium phosphate, 1 mg	45	28	$5.00	$0.12
84439 Thyroxine (thyroid chemical), free	45	30	$75.00	$10.91
82607 Cyanocobalamin (vitamin B-12) level	41	36	$40.00	$18.24
99495 Transitional care management services for problem of at least moderate complexity	39	36	$325.00	$158.18
81001 Manual urinalysis test with examination using microscope, automated	38	36	$20.26	$3.84
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	34	34	$175.00	$160.76
G0009 Administration of pneumococcal vaccine	29	29	$40.00	$19.51
85610 Blood test, clotting time	28	15	$20.32	$4.75
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	26	26	$95.00	$93.10
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	24	21	$279.00	$140.21
Q2038 Influenza virus vaccine, split virus, when administered to individuals 3 years of age and older, for intramuscular use (fluzone)	21	21	$22.00	$11.80
82550 Creatine kinase (cardiac enzyme) level, total	18	16	$34.00	$7.88
G0403 Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report	18	18	$75.00	$16.33
Q2037 Influenza virus vaccine, split virus, when administered to individuals 3 years of age and older, for intramuscular use (fluvirin)	16	16	$22.00	$17.34
99496 Transitional care management services for problem of high complexity	15	13	$441.67	$224.19
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	13	13	$40.00	$18.65
94664 Evaluation of use of breathing device	11	11	$100.00	$16.35

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	1,735	737	$208.00	$102.39
36415 Insertion of needle into vein for collection of blood sample	1,673	731	$15.00	$2.93
80053 Blood test, comprehensive group of blood chemicals	1,041	698	$55.00	$12.23
80061 Blood test, lipids (cholesterol and triglycerides)	760	653	$66.00	$13.72
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	750	238	$50.00	$40.39
83721 Ldl cholesterol level	750	645	$32.00	$12.75
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	519	519	$150.00	$109.64
99213 Established patient office or other outpatient visit, typically 15 minutes	471	325	$140.00	$69.79
83036 Hemoglobin A1C level	466	208	$43.01	$12.90
80048 Blood test, basic group of blood chemicals (calcium, total)	462	295	$50.00	$11.07
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	386	260	$40.00	$10.45
G0008 Administration of influenza virus vaccine	308	303	$38.00	$23.83
84443 Blood test, thyroid stimulating hormone (TSH)	254	193	$95.00	$22.55
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	200	200	$40.00	$18.65
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	157	28	$8.00	$1.83
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	109	109	$319.00	$157.54
G0103 Prostate cancer screening; prostate specific antigen test (psa)	108	108	$80.00	$24.73
82043 Urine microalbumin (protein) level	103	101	$58.00	$7.43
81000 Manual urinalysis test with examination using microscope, non-automated	102	90	$20.00	$4.22
90674 Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free	99	99	$39.61	$23.10
82306 Vitamin d-3 level	92	88	$92.88	$36.53
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	84	84	$174.00	$163.57
85651 Red blood cell sedimentation rate, to detect inflammation, non-automated	81	66	$20.05	$4.77
77080 Dxa bone density measurement of hip, pelvis, spine	75	75	$245.00	$38.32
93000 Routine ekg using at least 12 leads including interpretation and report	67	61	$82.00	$16.12
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	61	16	$50.00	$24.02
84153 Psa (prostate specific antigen) measurement, total	60	49	$92.40	$24.73
84550 Uric acid level, blood	49	44	$26.00	$4.56
87804 Detection test by immunoassay with direct visual observation for influenza virus	44	22	$36.00	$15.83
85610 Blood test, clotting time	41	19	$19.00	$5.28
99495 Transitional care management services for problem of at least moderate complexity	37	34	$325.00	$156.05
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	37	33	$279.00	$138.67
G0328 Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous	32	32	$45.00	$21.38
82607 Cyanocobalamin (vitamin B-12) level	32	29	$39.53	$20.27
G0009 Administration of pneumococcal vaccine	29	29	$40.00	$23.91
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	28	28	$95.00	$91.33
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	27	27	$175.00	$159.00
82550 Creatine kinase (cardiac enzyme) level, total	27	24	$29.00	$5.73
J7040 Infusion, normal saline solution, sterile (500 ml = 1 unit)	22	12	$39.00	$0.99
20610 Aspiration and/or injection of fluid from large joint	18	15	$164.44	$61.12
99487 Complex chronic care management services for two or more chronic conditions, first 60 minutes of clinical staff time directed by health care professional, per calendar month	18	17	$125.00	$88.44
84439 Thyroxine (thyroid chemical), free	17	12	$75.00	$12.12
81001 Manual urinalysis test with examination using microscope, automated	16	15	$20.00	$4.26
G0403 Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report	15	15	$75.00	$16.23
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	13	13	$210.00	$103.61
96360 Infusion into a vein for hydration, 31-60 minutes	12	12	$100.00	$53.78

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License TX L8750

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Hospital & Practice Group Affiliations

Fredericksburg Clinic Pllc

1308 S Hwy 16, Fredericksburg, TX 786245058

Phone: 8309972181290

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

15 Associated Practitioners

Emily Evans , MS, RN, FNP-BC

Nurse Practitioner - Family

NPI 1033366109

Master of Science, Registered Nurse, Family Nurse Practitioner (Board Certified)

Kathleen Fryburger , PA

Physician Assistant

NPI 1053396077

Physician Assistant

Dr. Jennifer Mayben , MD

Internal Medicine

NPI 1194746685

Doctor of Medicine (M.D.)

Dr. Charles Burg , MD

Family Medicine

NPI 1306880794

Doctor of Medicine (M.D.)

Dr. Rebecca Daley , DO

Family Medicine

NPI 1356348288

Doctor of Osteopathic Medicine (D.O.)

Dr. Philip Maple , MD

Internal Medicine

NPI 1386688810

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events

✅

NPI Profile Active February 17, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location February 17, 2014

Registered at 1308 S HIGHWAY 16, FREDERICKSBURG, TX 786245058 (Tel: 8309972181)

📍

Updated Business Mailing Address February 17, 2014

Registered at 1308 S HIGHWAY 16, FREDERICKSBURG, TX 786245058 (Tel: 8309972181)

👤

Provider Name / Credentials Updated February 17, 2014

Recorded as MICHAEL JOHNSON, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 17, 2014

Internal Medicine (License #L8750 in TX)

🟢

Initial NPI Registration & Enumeration August 07, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1386653236

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: August 07, 2006

Last Update: February 17, 2014

Sole Proprietor: No

Update or Correct Profile

Mailing Address

1308 S Highway 16

Fredericksburg, TX 786245058

Phone: 8309972181

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.