Active NPI 1992779961 Individual Practitioner Male Practitioner

Dr. Stephen D Fillman , MD

Internal Medicine • Shenandoah, TX

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Stephen Fillman, MD is a certified Internal Medicine practicing in Shenandoah, TX. With approximately 50 years of clinical experience since graduating from University Of Texas Medical Branch At Galveston in 1976, Dr. Fillman delivers high-quality medical care to the local community at 9201 PINECROFT DR STE 200.

Dr. Fillman maintains professional affiliations with Woodlands Diagnostic Clinic Pa, Legacy Healthcare Services Inc 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, annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit, chronic care management services, first. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

9201 Pinecroft Dr Ste 200

Shenandoah, TX 773803889

Telephone 2818639554

Fax 8328138582

Associated Practice Facility / Clinic

🏢 Legacy Pain Associates, P.a. Facility NPI 1659485894

Medicare Profile & Education

Medical School

University Of Texas Medical Branch At Galveston

Graduation Year

1976

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Shenandoah, TX

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

50 Yrs +27.6 yrs vs City Avg

City Avg: 22.4 Yrs

State Avg: 26.2 Yrs

Regional Practice Density

39 Specialists

Practicing in Shenandoah, TX (9538 Statewide)

Telehealth Adoption Rate

51.3% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

62.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Fillman (50 Years) 50 Yrs

Shenandoah Specialty Average (22.4 Years) 22.4 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	978	437	$337.00	$122.48
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	421	421	$300.00	$123.41
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	388	56	$75.00	$59.89
G0444 Annual depression screening, 5 to 15 minutes	292	292	$63.00	$17.84
93000 Routine ekg using at least 12 leads including interpretation and report	198	195	$122.00	$13.63
99213 Established patient office or other outpatient visit, typically 15 minutes	125	106	$228.00	$77.80
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	117	28	$19.00	$0.97
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	97	79	$437.00	$171.65
G0009 Administration of pneumococcal vaccine	80	77	$32.00	$31.03
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	80	77	$662.00	$289.90
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	60	42	$67.00	$13.60
G0442 Annual alcohol misuse screening, 5 to 15 minutes	38	38	$63.00	$17.82
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	27	27	$297.00	$154.90
99495 Transitional care management services for problem of at least moderate complexity	26	22	$396.00	$196.76
36415 Insertion of needle into vein for collection of blood sample	26	26	$29.00	$8.65
99496 Transitional care management services for problem of high complexity	25	23	$557.00	$265.70
80061 Blood test, lipids (cholesterol and triglycerides)	19	19	$128.00	$13.12
83036 Hemoglobin A1C level	18	18	$85.00	$9.52
84443 Blood test, thyroid stimulating hormone (TSH)	18	18	$143.00	$16.46
82306 Vitamin d-3 level	17	17	$263.00	$29.01
G0008 Administration of influenza virus vaccine	15	15	$32.00	$31.03
84550 Uric acid level, blood	14	14	$47.00	$4.43
90674 Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free	12	12	$50.00	$33.49
80053 Blood test, comprehensive group of blood chemicals	12	12	$110.00	$10.35

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	790	399	$337.00	$121.68
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	427	66	$75.00	$59.92
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	426	426	$300.00	$123.58
93000 Routine ekg using at least 12 leads including interpretation and report	185	180	$122.00	$13.86
G0442 Annual alcohol misuse screening, 5 to 15 minutes	120	120	$63.00	$17.59
G0444 Annual depression screening, 5 to 15 minutes	115	115	$63.00	$17.59
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	100	93	$662.00	$281.63
G0009 Administration of pneumococcal vaccine	96	90	$32.00	$29.51
99213 Established patient office or other outpatient visit, typically 15 minutes	79	65	$228.00	$76.92
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	77	61	$437.00	$171.86
G0008 Administration of influenza virus vaccine	32	31	$32.00	$29.51
90674 Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free	29	28	$50.00	$32.91
99496 Transitional care management services for problem of high complexity	28	22	$557.00	$256.46
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	26	22	$67.00	$13.56
99495 Transitional care management services for problem of at least moderate complexity	23	22	$396.00	$195.45
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	23	23	$297.00	$157.64
81002 Urinalysis, manual test	17	15	$29.00	$3.41
96127 Assessment of emotional or behavioral problems	15	15	$25.00	$4.15
69210 Removal of impacted ear wax	14	12	$122.00	$45.60

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	875	417	$337.00	$123.55
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	406	406	$272.77	$126.62
G0444 Annual depression screening, 5 to 15 minutes	316	316	$63.00	$17.80
G0442 Annual alcohol misuse screening, 5 to 15 minutes	302	302	$63.00	$18.11
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	240	26	$73.75	$60.82
93000 Routine ekg using at least 12 leads including interpretation and report	196	188	$122.00	$13.79
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	86	17	$19.00	$1.14
99213 Established patient office or other outpatient visit, typically 15 minutes	83	69	$228.00	$79.96
G0009 Administration of pneumococcal vaccine	60	58	$32.00	$28.60
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	58	53	$437.00	$171.65
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	39	33	$67.00	$13.91
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	27	27	$159.00	$132.38
99495 Transitional care management services for problem of at least moderate complexity	25	22	$396.00	$199.90
G0008 Administration of influenza virus vaccine	24	24	$32.00	$28.65
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	24	24	$297.00	$154.37
90674 Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free	23	23	$50.00	$30.90
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	21	21	$662.00	$278.05
90471 Administration of 1 vaccine	20	20	$25.00	$16.25
99406 Smoking and tobacco use intermediate counseling, greater than 3 minutes up to 10 minutes	15	11	$36.00	$14.84
96127 Assessment of emotional or behavioral problems	14	14	$25.00	$4.47
90670 Pneumococcal vaccine for injection into muscle	13	13	$292.00	$250.50
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	13	13	$493.00	$161.48

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	931	430	$337.00	$126.11
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	316	316	$245.00	$128.96
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	230	35	$52.95	$39.76
93000 Routine ekg using at least 12 leads including interpretation and report	196	187	$122.00	$14.34
G0444 Annual depression screening, 5 to 15 minutes	159	159	$63.00	$18.15
G0008 Administration of influenza virus vaccine	157	151	$32.00	$16.46
G0442 Annual alcohol misuse screening, 5 to 15 minutes	123	123	$63.00	$18.15
90756 Vaccine for influenza for injection into muscle	100	99	$50.00	$28.37
90674 Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free	57	55	$50.00	$29.80
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	44	43	$437.00	$173.17
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	38	38	$260.00	$163.76
G0009 Administration of pneumococcal vaccine	37	37	$32.00	$16.48
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	29	29	$159.00	$125.09
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	27	27	$297.00	$156.31
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	25	21	$65.32	$13.80
99213 Established patient office or other outpatient visit, typically 15 minutes	15	15	$228.00	$89.05
99406 Smoking and tobacco use intermediate counseling, greater than 3 minutes up to 10 minutes	13	11	$36.00	$15.11

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	743	403	$109.44	$2.94
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	669	400	$644.66	$107.46
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	606	94	$334.50	$42.70
80061 Blood test, lipids (cholesterol and triglycerides)	475	357	$110.88	$13.17
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	443	331	$65.18	$7.70
84443 Blood test, thyroid stimulating hormone (TSH)	440	331	$151.33	$16.55
82570 Creatinine level to test for kidney function or muscle injury	402	305	$45.17	$5.13
82043 Urine microalbumin (protein) level	396	301	$49.38	$5.69
82306 Vitamin d-3 level	391	316	$247.56	$29.34
81001 Manual urinalysis test with examination using microscope, automated	378	284	$26.71	$3.14
83540 Iron level	332	278	$54.70	$6.42
82728 Ferritin (blood protein) level	324	268	$130.44	$13.52
84466 Transferrin (iron binding protein) level	323	271	$104.97	$12.60
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	321	321	$623.45	$114.81
80048 Blood test, basic group of blood chemicals (calcium, total)	320	232	$71.64	$8.32
83036 Hemoglobin A1C level	315	226	$82.38	$9.58
83735 Magnesium level	313	238	$56.62	$6.64
82977 Glutamyltransferase (liver enzyme) level	310	270	$62.51	$7.12
99213 Established patient office or other outpatient visit, typically 15 minutes	310	246	$603.77	$72.79
84550 Uric acid level, blood	310	276	$37.80	$4.47
80053 Blood test, comprehensive group of blood chemicals	292	262	$100.20	$10.44
83970 Parathormone (parathyroid hormone) level	253	194	$336.02	$38.35
84100 Phosphate level	243	187	$40.12	$4.70
82607 Cyanocobalamin (vitamin B-12) level	225	185	$127.10	$14.90
83525 Insulin measurement, total	183	145	$95.85	$11.26
84450 Liver enzyme (sgot), level	180	144	$44.43	$5.10
82274 Stool analysis for blood, by fecal hemoglobin determination by immunoassay	151	148	$129.03	$15.57
93000 Routine ekg using at least 12 leads including interpretation and report	138	132	$127.57	$16.91
83880 Natriuretic peptide (heart and blood vessel protein) level	103	87	$285.38	$38.81
85652 Red blood cell sedimentation rate, to detect inflammation, automated	98	81	$23.77	$2.68
86803 Hepatitis c antibody measurement	66	64	$122.24	$14.16
85610 Blood test, clotting time	59	38	$32.74	$4.23
84460 Liver enzyme (sgpt), level	59	50	$47.04	$5.18
84153 Psa (prostate specific antigen) measurement, total	57	53	$152.76	$18.26
86140 Measurement C-reactive protein for detection of infection or inflammation	57	45	$45.85	$5.13
84439 Thyroxine (thyroid chemical), free	53	51	$71.42	$8.86
G0444 Annual depression screening, 5 to 15 minutes	53	53	$82.48	$17.90
G0008 Administration of influenza virus vaccine	52	50	$32.17	$16.43
G0103 Prostate cancer screening; prostate specific antigen test (psa)	48	48	$194.37	$19.05
82247 Bilirubin level	45	37	$43.32	$4.88
90674 Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free	43	42	$68.23	$27.51
84075 Phosphatase (enzyme) level, alkaline	42	35	$45.49	$5.03
84403 Testosterone (hormone) level, total	40	28	$225.05	$25.61
80305 Testing for presence of drug, read by direct observation	34	31	$94.99	$11.62
84154 Psa (prostate specific antigen) measurement, free	30	29	$158.48	$17.53
85045 Red blood count, automated test	28	21	$33.70	$3.96
82746 Folic acid level	26	21	$125.11	$14.52
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	25	25	$673.76	$156.34
92250 Photography of the retina	22	22	$417.68	$46.31
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	20	19	$99.43	$14.46
82310 Calcium level, total	16	16	$45.77	$5.10
G0009 Administration of pneumococcal vaccine	15	15	$32.30	$16.60
82040 Albumin (protein) level	13	11	$39.23	$4.89
84480 Thyroid hormone, t3 measurement, total	13	11	$126.00	$13.99
83721 Ldl cholesterol level	12	11	$84.80	$10.31
84156 Total protein level, urine	12	11	$30.86	$3.63
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	12	12	$510.49	$116.59

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	1,338	514	$51.08	$2.94
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	1,160	131	$148.48	$42.14
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	906	434	$370.46	$108.66
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	769	483	$63.08	$8.46
84443 Blood test, thyroid stimulating hormone (TSH)	727	456	$150.79	$18.30
82044 Urine microalbumin (protein) analysis	721	453	$63.41	$6.09
80061 Blood test, lipids (cholesterol and triglycerides)	719	474	$108.62	$14.54
81001 Manual urinalysis test with examination using microscope, automated	667	469	$36.02	$3.44
82306 Vitamin d-3 level	662	469	$228.50	$32.19
84466 Transferrin (iron binding protein) level	548	442	$75.76	$13.87
83540 Iron level	545	440	$52.31	$7.05
82728 Ferritin (blood protein) level	541	439	$139.22	$14.85
82977 Glutamyltransferase (liver enzyme) level	537	433	$97.35	$7.83
80048 Blood test, basic group of blood chemicals (calcium, total)	518	309	$79.75	$9.14
84439 Thyroxine (thyroid chemical), free	515	416	$92.26	$9.82
80053 Blood test, comprehensive group of blood chemicals	513	446	$122.52	$11.51
83036 Hemoglobin A1C level	512	283	$75.00	$10.47
84550 Uric acid level, blood	502	433	$38.96	$4.91
83735 Magnesium level	480	289	$49.43	$7.28
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	404	404	$234.54	$105.30
83970 Parathormone (parathyroid hormone) level	368	234	$241.31	$37.59
84100 Phosphate level	367	230	$37.34	$5.15
82607 Cyanocobalamin (vitamin B-12) level	316	247	$126.49	$16.36
83525 Insulin measurement, total	302	191	$103.85	$12.38
82274 Stool analysis for blood, by fecal hemoglobin determination by immunoassay	277	268	$106.97	$17.12
83880 Natriuretic peptide (heart and blood vessel protein) level	260	158	$123.51	$38.35
84450 Liver enzyme (sgot), level	254	195	$40.42	$5.59
G0008 Administration of influenza virus vaccine	210	206	$32.50	$16.80
G0103 Prostate cancer screening; prostate specific antigen test (psa)	165	165	$200.16	$20.03
93000 Routine ekg using at least 12 leads including interpretation and report	141	141	$113.35	$17.26
85652 Red blood cell sedimentation rate, to detect inflammation, automated	130	86	$27.67	$2.92
86140 Measurement C-reactive protein for detection of infection or inflammation	130	84	$59.19	$5.55
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	122	27	$21.70	$1.62
90674 Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free	109	108	$74.01	$27.46
85610 Blood test, clotting time	105	55	$41.93	$4.24
82247 Bilirubin level	91	65	$32.85	$5.41
84460 Liver enzyme (sgpt), level	90	65	$45.31	$5.71
84075 Phosphatase (enzyme) level, alkaline	89	62	$43.83	$5.58
99213 Established patient office or other outpatient visit, typically 15 minutes	79	73	$283.99	$74.05
84403 Testosterone (hormone) level, total	75	47	$194.59	$27.88
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	67	49	$67.65	$16.93
82570 Creatinine level to test for kidney function or muscle injury	57	41	$49.85	$5.63
90662 Influenza vaccine split virus, preservative free	52	50	$436.44	$54.54
84156 Total protein level, urine	51	31	$25.26	$3.99
90653 Vaccine for influenza for injection into muscle	44	44	$93.69	$58.15
84480 Thyroid hormone, t3 measurement, total	43	40	$126.79	$15.43
80305 Testing for presence of drug, read by direct observation	42	38	$137.12	$12.35
86803 Hepatitis c antibody measurement	42	41	$154.20	$15.53
87086 Bacterial colony count, urine	42	39	$72.71	$8.79
85045 Red blood count, automated test	39	32	$29.30	$4.35
82947 Blood glucose (sugar) level	37	34	$36.80	$4.28
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	28	27	$441.03	$147.58
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	27	27	$274.06	$148.72
99495 Transitional care management services for problem of at least moderate complexity	26	23	$407.00	$162.42
82310 Calcium level, total	24	22	$45.13	$5.62
82565 Blood creatinine level	24	24	$42.41	$5.58
84153 Psa (prostate specific antigen) measurement, total	22	18	$125.69	$20.03
85730 Coagulation assessment blood test, plasma or whole blood	22	22	$59.00	$6.54
92250 Photography of the retina	21	20	$197.42	$51.65
G0009 Administration of pneumococcal vaccine	20	20	$32.50	$16.82
82040 Albumin (protein) level	18	15	$39.71	$5.09
82746 Folic acid level	18	18	$115.71	$16.01
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	16	16	$359.90	$173.24
99496 Transitional care management services for problem of high complexity	15	14	$573.00	$234.32
82670 Measurement of total estradiol (hormone)	14	13	$165.29	$30.42
83721 Ldl cholesterol level	13	13	$39.66	$10.39
84132 Blood potassium level	13	12	$26.66	$5.01
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	12	12	$162.00	$110.87
G0444 Annual depression screening, 5 to 15 minutes	11	11	$65.95	$18.17

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	1,446	222	$126.82	$42.59
36415 Insertion of needle into vein for collection of blood sample	1,428	557	$27.99	$2.94
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	930	414	$345.83	$107.45
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	856	514	$74.00	$9.40
82044 Urine microalbumin (protein) analysis	777	477	$51.00	$6.08
84439 Thyroxine (thyroid chemical), free	749	479	$101.00	$10.82
84443 Blood test, thyroid stimulating hormone (TSH)	735	471	$146.00	$20.25
80061 Blood test, lipids (cholesterol and triglycerides)	713	483	$130.00	$16.10
81001 Manual urinalysis test with examination using microscope, automated	681	476	$43.00	$3.83
82306 Vitamin d-3 level	649	469	$270.00	$35.62
80053 Blood test, comprehensive group of blood chemicals	595	480	$112.00	$12.77
83540 Iron level	575	443	$59.00	$7.79
84466 Transferrin (iron binding protein) level	574	442	$92.00	$15.37
82977 Glutamyltransferase (liver enzyme) level	537	450	$112.00	$8.65
82728 Ferritin (blood protein) level	533	422	$117.00	$16.41
84550 Uric acid level, blood	509	444	$46.00	$5.44
83036 Hemoglobin A1C level	509	291	$86.00	$11.64
83735 Magnesium level	460	301	$57.00	$8.05
80048 Blood test, basic group of blood chemicals (calcium, total)	453	279	$94.00	$10.19
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	397	397	$249.00	$118.33
84100 Phosphate level	372	245	$43.00	$5.70
82607 Cyanocobalamin (vitamin B-12) level	361	261	$140.00	$18.15
83970 Parathormone (parathyroid hormone) level	357	239	$303.00	$49.47
83880 Natriuretic peptide (heart and blood vessel protein) level	302	174	$144.00	$40.99
83525 Insulin measurement, total	298	194	$124.00	$13.59
84450 Liver enzyme (sgot), level	244	191	$46.00	$6.21
G0008 Administration of influenza virus vaccine	242	234	$32.50	$20.70
82274 Stool analysis for blood, by fecal hemoglobin determination by immunoassay	236	224	$126.00	$19.18
90662 Influenza vaccine split virus, preservative free	165	164	$84.00	$52.25
93000 Routine ekg using at least 12 leads including interpretation and report	161	160	$124.00	$17.29
84480 Thyroid hormone, t3 measurement, total	144	93	$134.00	$17.05
G0103 Prostate cancer screening; prostate specific antigen test (psa)	138	138	$132.00	$22.26
99213 Established patient office or other outpatient visit, typically 15 minutes	116	99	$233.00	$72.89
85652 Red blood cell sedimentation rate, to detect inflammation, automated	114	74	$30.00	$3.26
86140 Measurement C-reactive protein for detection of infection or inflammation	112	73	$63.00	$6.26
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	106	24	$19.25	$1.81
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	88	55	$67.00	$20.83
85610 Blood test, clotting time	79	35	$46.00	$4.70
87086 Bacterial colony count, urine	76	65	$75.00	$9.76
84460 Liver enzyme (sgpt), level	76	61	$46.00	$6.25
85045 Red blood count, automated test	74	51	$33.00	$4.83
84075 Phosphatase (enzyme) level, alkaline	74	59	$49.00	$6.10
84153 Psa (prostate specific antigen) measurement, total	72	57	$140.00	$22.26
84403 Testosterone (hormone) level, total	70	45	$201.00	$30.46
82247 Bilirubin level	69	55	$37.00	$5.90
84156 Total protein level, urine	54	29	$27.00	$4.44
82570 Creatinine level to test for kidney function or muscle injury	53	29	$57.00	$6.26
G0009 Administration of pneumococcal vaccine	49	48	$32.50	$20.73
82947 Blood glucose (sugar) level	47	43	$41.00	$4.75
92250 Photography of the retina	44	38	$266.00	$57.32
82310 Calcium level, total	43	35	$45.00	$6.24
77085 Bone density measurement using dedicated x-ray machine	41	41	$374.00	$57.99
90756 Vaccine for influenza for injection into muscle	37	37	$70.00	$22.33
90674 Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free	37	37	$70.00	$23.57
82565 Blood creatinine level	35	33	$46.00	$6.20
84402 Testosterone (hormone) level, free	35	25	$234.00	$30.82
71046 X-ray of chest, 2 views	34	30	$83.25	$19.65
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	31	31	$301.75	$166.59
80305 Testing for presence of drug, read by direct observation	31	29	$159.00	$13.19
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	30	30	$162.00	$105.59
86803 Hepatitis c antibody measurement	28	28	$165.00	$17.26
82784 Gammaglobulin (immune system protein) measurement	27	11	$112.00	$11.25
99495 Transitional care management services for problem of at least moderate complexity	27	23	$407.00	$166.58
82670 Measurement of total estradiol (hormone)	26	19	$181.00	$33.80
76775 Limited ultrasound scan behind abdominal cavity	24	23	$189.00	$29.21
82040 Albumin (protein) level	20	15	$46.00	$5.99
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	20	19	$449.00	$147.29
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	18	18	$264.25	$174.13
82746 Folic acid level	18	14	$138.00	$17.79
86376 Microsomal antibodies (autoantibody) measurement	17	15	$165.00	$17.60
84132 Blood potassium level	17	15	$41.00	$5.57
83001 Gonadotropin, follicle stimulating (reproductive hormone) level	16	11	$140.00	$22.48
J1030 Injection, methylprednisolone acetate, 40 mg	15	14	$30.50	$6.66
99496 Transitional care management services for problem of high complexity	15	14	$573.00	$236.05
83721 Ldl cholesterol level	14	14	$20.00	$11.54
77080 Dxa bone density measurement of hip, pelvis, spine	14	14	$358.00	$42.49
87276 Detection test by immunofluorescent technique for influenza a virus	13	13	$86.00	$15.75
87275 Detection test for influenza B virus	13	13	$86.00	$14.50
J1040 Injection, methylprednisolone acetate, 80 mg	12	11	$44.15	$13.07
76706 Ultrasound scan of abdominal aorta	12	12	$167.75	$67.39
90670 Pneumococcal vaccine for injection into muscle	11	11	$299.00	$197.68
G0403 Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report	11	11	$93.50	$17.30

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J0897 Injection, denosumab, 1 mg	1,920	25	$37.00	$16.14
36415 Insertion of needle into vein for collection of blood sample	1,495	585	$28.97	$2.93
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	1,198	517	$336.91	$107.60
82044 Urine microalbumin (protein) analysis	885	504	$50.99	$6.15
80061 Blood test, lipids (cholesterol and triglycerides)	831	520	$127.98	$9.37
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	825	524	$73.98	$10.43
84443 Blood test, thyroid stimulating hormone (TSH)	774	500	$142.97	$22.56
84439 Thyroxine (thyroid chemical), free	768	499	$99.97	$12.09
81001 Manual urinalysis test with examination using microscope, automated	655	477	$43.99	$4.25
82306 Vitamin d-3 level	646	482	$262.90	$36.43
80048 Blood test, basic group of blood chemicals (calcium, total)	578	327	$93.59	$8.70
83540 Iron level	576	461	$58.97	$8.70
84466 Transferrin (iron binding protein) level	574	461	$90.97	$12.38
82728 Ferritin (blood protein) level	571	461	$114.96	$18.33
82977 Glutamyltransferase (liver enzyme) level	555	462	$109.96	$6.40
83036 Hemoglobin A1C level	545	282	$84.98	$13.05
80053 Blood test, comprehensive group of blood chemicals	536	490	$109.98	$7.40
84550 Uric acid level, blood	516	456	$46.99	$2.95
83735 Magnesium level	500	323	$56.98	$8.99
82607 Cyanocobalamin (vitamin B-12) level	399	285	$137.96	$20.27
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	385	385	$244.98	$116.46
83970 Parathormone (parathyroid hormone) level	371	244	$294.94	$55.36
84100 Phosphate level	364	239	$43.99	$2.96
84450 Liver enzyme (sgot), level	335	248	$46.99	$3.49
83880 Natriuretic peptide (heart and blood vessel protein) level	324	170	$140.94	$45.63
G0444 Annual depression screening, 5 to 15 minutes	306	306	$62.96	$18.09
83525 Insulin measurement, total	304	199	$121.99	$15.35
82274 Stool analysis for blood, by fecal hemoglobin determination by immunoassay	279	270	$124.00	$21.31
G0008 Administration of influenza virus vaccine	272	267	$32.00	$25.44
93000 Routine ekg using at least 12 leads including interpretation and report	267	263	$121.98	$17.18
90674 Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free	226	226	$70.00	$23.57
J1100 Injection, dexamethasone sodium phosphate, 1 mg	218	14	$7.00	$0.11
84480 Thyroid hormone, t3 measurement, total	175	120	$131.90	$18.96
G0103 Prostate cancer screening; prostate specific antigen test (psa)	170	170	$130.02	$24.73
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	133	31	$19.00	$1.80
85610 Blood test, clotting time	124	44	$47.00	$5.24
86140 Measurement C-reactive protein for detection of infection or inflammation	115	75	$62.95	$6.94
85652 Red blood cell sedimentation rate, to detect inflammation, automated	113	74	$30.96	$3.63
99213 Established patient office or other outpatient visit, typically 15 minutes	105	89	$227.91	$71.44
G0009 Administration of pneumococcal vaccine	97	95	$31.98	$25.58
84460 Liver enzyme (sgpt), level	93	71	$46.98	$2.12
85045 Red blood count, automated test	81	54	$33.98	$5.37
84075 Phosphatase (enzyme) level, alkaline	80	57	$48.98	$1.96
82247 Bilirubin level	78	56	$37.97	$1.48
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	77	62	$67.00	$25.76
77085 Bone density measurement using dedicated x-ray machine	76	76	$364.00	$56.28
84403 Testosterone (hormone) level, total	65	39	$197.03	$34.70
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	63	62	$159.00	$95.07
86803 Hepatitis c antibody measurement	62	60	$162.00	$19.18
82565 Blood creatinine level	53	50	$47.00	$3.59
82947 Blood glucose (sugar) level	50	42	$42.00	$3.52
84153 Psa (prostate specific antigen) measurement, total	48	33	$138.03	$24.73
84402 Testosterone (hormone) level, free	42	31	$229.05	$34.24
92250 Photography of the retina	41	39	$259.76	$66.88
71020 X-ray of chest, 2 views, front and side	41	38	$82.00	$17.09
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	37	37	$297.00	$163.13
77080 Dxa bone density measurement of hip, pelvis, spine	35	35	$349.00	$40.79
82570 Creatinine level to test for kidney function or muscle injury	35	24	$57.00	$6.96
99495 Transitional care management services for problem of at least moderate complexity	34	31	$396.00	$164.96
84156 Total protein level, urine	33	22	$28.00	$4.93
87086 Bacterial colony count, urine	33	29	$75.00	$10.85
90670 Pneumococcal vaccine for injection into muscle	32	32	$291.63	$184.53
96401 Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle	31	24	$180.00	$74.93
90662 Influenza vaccine split virus, preservative free	31	31	$83.00	$47.85
G0403 Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report	23	23	$92.00	$17.19
82310 Calcium level, total	19	17	$45.96	$4.32
82670 Measurement of total estradiol (hormone)	18	15	$176.22	$37.55
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	17	14	$437.00	$145.87
86376 Microsomal antibodies (autoantibody) measurement	17	17	$162.00	$19.56
85730 Coagulation assessment blood test, plasma or whole blood	17	16	$59.00	$7.65
76775 Limited ultrasound scan behind abdominal cavity	16	16	$186.00	$29.94
82550 Creatine kinase (cardiac enzyme) level, total	16	14	$74.00	$5.20
84520 Urea nitrogen level to assess kidney function	14	14	$42.00	$3.21
99496 Transitional care management services for problem of high complexity	14	14	$557.00	$233.08
80305 Testing for presence of drug, read by direct observation	13	13	$156.00	$11.21
Q2035 Influenza virus vaccine, split virus, when administered to individuals 3 years of age and older, for intramuscular use (afluria)	12	12	$35.00	$14.62
72110 X-ray of lower and sacral spine, minimum of 4 views	12	11	$120.00	$32.80
93880 Ultrasound of both sides of head and neck blood flow	11	11	$533.00	$163.53
76700 Ultrasound of abdomen	11	11	$256.00	$82.40

Medical Specialties & State Licenses

CMS Verified: 2023-08-28

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License TX E6076

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

037468802 (TX)

Medicaid State Provider ID

037468801 (TX)

Commercial Insurance / Payer ID Bcbs Of Texas

807100 (TX)

Hospital & Practice Group Affiliations

Legacy Healthcare Services Inc

8215 Cypresswood Dr, Spring, TX 773797466

Phone: 8327170877

Woodlands Diagnostic Clinic Pa

9201 Pinecroft Dr, Shenandoah, TX 773803889

Phone: 2818639554

Practice Associates & Co-Workers

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

7 Associated Practitioners

Dr. Maria Charron , MD

General Practice

NPI 1073574091

Doctor of Medicine (M.D.)

Dr. Natalie Gordon , MD

Internal Medicine

NPI 1093332538

Doctor of Medicine (M.D.)

Dr. Patrick Ogidan , MD

Internal Medicine

NPI 1629367602

Doctor of Medicine (M.D.)

Kendel Dolen , FNP

Nurse Practitioner - Family

NPI 1629866389

Family Nurse Practitioner

Dr. Sharon Ogidan , MD

Hospitalist

NPI 1659727105

Doctor of Medicine (M.D.)

Dr. William Fridley , MD

Internal Medicine

NPI 1760456545

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

14 Historical Events

📍

Updated Practice Location August 28, 2023

Registered at 9201 PINECROFT DR STE 200, SHENANDOAH, TX 773803889 (Tel: 2818639554)

📍

Updated Practice Location August 07, 2023

Registered at 9201 PINECROFT DR, SHENANDOAH, TX 773803889 (Tel: 2818639554)

📍

Updated Business Mailing Address August 07, 2023

Registered at 9201 PINECROFT DR STE 200, SHENANDOAH, TX 773803889 (Tel: 2818639554)

✅

NPI Profile Active June 28, 2017

NPI status registered as active in NPPES database

📍

Updated Practice Location June 28, 2017

Registered at 2255 E MOSSY OAKS RD STE 500, SPRING, TX 773891813 (Tel: (281) 440-5300)

📍

Updated Business Mailing Address June 28, 2017

Registered at 2255 E MOSSY OAKS RD STE 500, SPRING, TX 773891813 (Tel: (281) 440-5300)

👤

Provider Name / Credentials Updated June 28, 2017

Recorded as STEPHEN FILLMAN, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 28, 2017

Internal Medicine (License #E6076 in TX)

✅

NPI Profile Active September 19, 2012

NPI status registered as active in NPPES database

📍

Updated Practice Location September 19, 2012

Registered at 1140 CYPRESS STATION DR STE 200, HOUSTON, TX 770903057 (Tel: 2814405300)

📍

Updated Business Mailing Address September 19, 2012

Registered at 1140 CYPRESS STATION DR STE 200, HOUSTON, TX 770903057 (Tel: 2814405300)

👤

Provider Name / Credentials Updated September 19, 2012

Recorded as STEPHEN FILLMAN, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 19, 2012

Internal Medicine (License #E6076 in TX)

🟢

Initial NPI Registration & Enumeration February 15, 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: 1992779961

Entity Type:

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

Enumeration Date: February 15, 2006

Last Update: August 28, 2023

Sole Proprietor: No

Update or Correct Profile

Mailing Address

9201 Pinecroft Dr Ste 200

Shenandoah, TX 773803889

Phone: 2818639554

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.