Active NPI 1285683987 Individual Practitioner Female Practitioner

Dr. Marilyn M Landrum , MD

Internal Medicine • Denison, TX

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Marilyn Landrum, MD is a certified Internal Medicine practicing in Denison, TX. With approximately 32 years of clinical experience since graduating from Sanford School Of Medicine Of University Of South Dakota in 1994, Dr. Landrum delivers high-quality medical care to the local community at 5012 S US HIGHWAY 75.

Dr. Landrum maintains professional affiliations with Texomacare, 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, 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

5012 S Us Highway 75
Suite 300

Denison, TX 750204587

Telephone 9304166025

Fax 9034166138

Associated Practice Facility / Clinic

🏢 Texomacare Facility NPI 1740233592

Medicare Profile & Education

Medical School

Sanford School Of Medicine Of University Of South Dakota

Graduation Year

1994

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Denison, TX

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

32 Yrs +1.8 yrs vs City Avg

City Avg: 30.2 Yrs

State Avg: 26.2 Yrs

Regional Practice Density

21 Specialists

Practicing in Denison, TX (9538 Statewide)

Telehealth Adoption Rate

14.3% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

53.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Landrum (32 Years) 32 Yrs

Denison Specialty Average (30.2 Years) 30.2 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	548	259	$255.00	$123.79
36415 Insertion of needle into vein for collection of blood sample	532	271	$17.00	$8.65
99213 Established patient office or other outpatient visit, typically 15 minutes	381	237	$177.66	$87.47
80053 Blood test, comprehensive group of blood chemicals	378	240	$71.00	$10.35
80061 Blood test, lipids (cholesterol and triglycerides)	366	242	$45.00	$13.12
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	285	221	$50.00	$7.61
84443 Blood test, thyroid stimulating hormone (TSH)	282	214	$77.00	$16.46
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	221	221	$254.00	$125.78
83036 Hemoglobin A1C level	212	133	$19.89	$9.48
99497 Advance care planning, first 30 minutes	202	201	$162.00	$80.01
G0444 Annual depression screening, 5 to 15 minutes	202	202	$36.00	$18.16
84439 Thyroxine (thyroid chemical), free	167	115	$18.00	$8.84
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	158	123	$32.00	$16.02
81003 Automated urinalysis test	150	144	$8.00	$2.20
81001 Manual urinalysis test with examination using microscope, automated	112	86	$6.91	$3.08
G0008 Administration of influenza virus vaccine	95	92	$61.06	$30.70
90662 Influenza vaccine split virus, preservative free	81	81	$168.00	$80.69
99496 Transitional care management services for problem of high complexity	63	44	$543.00	$265.39
77080 Dxa bone density measurement of hip, pelvis, spine	44	44	$75.00	$37.09
80048 Blood test, basic group of blood chemicals (calcium, total)	41	33	$17.00	$7.89
84153 Psa (prostate specific antigen) measurement, total	40	39	$37.00	$18.02
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	34	27	$49.00	$13.83
71046 X-ray of chest, 2 views	31	27	$67.00	$32.15
G0179 Physician re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians to affirm the initial imp	26	14	$81.04	$40.30
G0442 Annual alcohol misuse screening, 5 to 15 minutes	24	24	$36.00	$18.25
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	19	17	$103.66	$51.79
93880 Ultrasound of both sides of head and neck blood flow	16	16	$379.00	$178.15
93000 Routine ekg using at least 12 leads including interpretation and report	15	15	$52.00	$13.19
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	14	14	$351.00	$175.35
84550 Uric acid level, blood	14	13	$9.00	$4.43
87428 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza	14	13	$136.64	$68.88
72100 X-ray of lower and sacral spine, 2-3 views	14	12	$79.00	$38.16
82044 Urine microalbumin (protein) analysis	13	12	$12.00	$6.11
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	11	11	$41.36	$21.90
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	11	11	$325.00	$161.18

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	685	300	$178.40	$87.31
36415 Insertion of needle into vein for collection of blood sample	560	272	$15.39	$8.34
80053 Blood test, comprehensive group of blood chemicals	416	251	$63.07	$10.28
80061 Blood test, lipids (cholesterol and triglycerides)	407	246	$69.02	$13.09
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	312	246	$45.76	$7.55
84443 Blood test, thyroid stimulating hormone (TSH)	304	228	$70.35	$16.46
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	300	187	$253.53	$121.14
99497 Advance care planning, first 30 minutes	258	251	$164.31	$80.14
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	235	235	$256.45	$124.51
83036 Hemoglobin A1C level	233	138	$29.58	$9.49
81003 Automated urinalysis test	208	198	$11.17	$2.18
G0444 Annual depression screening, 5 to 15 minutes	196	196	$35.39	$17.71
84439 Thyroxine (thyroid chemical), free	188	121	$31.62	$8.84
G0008 Administration of influenza virus vaccine	113	113	$40.00	$29.51
90662 Influenza vaccine split virus, preservative free	111	111	$157.78	$71.22
81001 Manual urinalysis test with examination using microscope, automated	82	67	$16.15	$3.11
G0442 Annual alcohol misuse screening, 5 to 15 minutes	67	67	$35.46	$17.80
77080 Dxa bone density measurement of hip, pelvis, spine	60	59	$171.25	$36.60
99496 Transitional care management services for problem of high complexity	48	35	$487.88	$262.24
84153 Psa (prostate specific antigen) measurement, total	42	40	$59.86	$18.02
80048 Blood test, basic group of blood chemicals (calcium, total)	42	36	$41.14	$7.90
71046 X-ray of chest, 2 views	37	34	$94.73	$31.90
G0179 Physician re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians to affirm the initial imp	30	15	$112.50	$39.83
93000 Routine ekg using at least 12 leads including interpretation and report	29	27	$79.52	$13.91
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	28	22	$49.00	$13.65
84550 Uric acid level, blood	22	20	$18.50	$4.11
82044 Urine microalbumin (protein) analysis	22	21	$14.73	$6.11
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	20	18	$110.25	$54.55
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	17	17	$127.41	$50.44
93880 Ultrasound of both sides of head and neck blood flow	16	16	$417.50	$174.74
G0403 Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report	14	14	$29.71	$13.95
85651 Red blood cell sedimentation rate, to detect inflammation, non-automated	14	13	$16.07	$3.70
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	13	13	$322.92	$157.53
72100 X-ray of lower and sacral spine, 2-3 views	11	11	$104.09	$38.61
G0009 Administration of pneumococcal vaccine	11	11	$50.00	$29.51

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	719	303	$178.00	$87.92
36415 Insertion of needle into vein for collection of blood sample	581	285	$17.00	$2.96
80053 Blood test, comprehensive group of blood chemicals	463	263	$71.00	$10.39
80061 Blood test, lipids (cholesterol and triglycerides)	444	262	$83.00	$13.17
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	347	256	$50.00	$7.67
84443 Blood test, thyroid stimulating hormone (TSH)	299	232	$77.00	$16.58
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	297	191	$253.00	$124.70
83036 Hemoglobin A1C level	257	147	$35.00	$9.53
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	219	219	$258.00	$127.60
81003 Automated urinalysis test	188	181	$13.00	$2.22
84439 Thyroxine (thyroid chemical), free	179	129	$38.00	$8.90
G0444 Annual depression screening, 5 to 15 minutes	144	144	$35.00	$17.99
99497 Advance care planning, first 30 minutes	126	125	$166.00	$82.34
G0008 Administration of influenza virus vaccine	107	105	$40.00	$28.39
90662 Influenza vaccine split virus, preservative free	102	102	$168.00	$67.20
81001 Manual urinalysis test with examination using microscope, automated	100	85	$22.00	$3.13
82044 Urine microalbumin (protein) analysis	81	77	$18.00	$6.16
G0442 Annual alcohol misuse screening, 5 to 15 minutes	66	66	$35.00	$18.32
G0179 Physician re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians to affirm the initial imp	64	24	$126.00	$39.83
99496 Transitional care management services for problem of high complexity	48	36	$445.00	$272.00
84153 Psa (prostate specific antigen) measurement, total	48	45	$77.00	$18.14
77080 Dxa bone density measurement of hip, pelvis, spine	40	40	$250.00	$36.52
80048 Blood test, basic group of blood chemicals (calcium, total)	34	33	$56.00	$8.14
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	32	25	$150.00	$51.67
G0009 Administration of pneumococcal vaccine	24	24	$50.00	$28.57
84550 Uric acid level, blood	23	22	$28.00	$4.46
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	21	21	$330.00	$163.98
93880 Ultrasound of both sides of head and neck blood flow	21	21	$435.00	$177.70
71046 X-ray of chest, 2 views	20	18	$105.00	$33.03
93000 Routine ekg using at least 12 leads including interpretation and report	19	19	$90.00	$13.88
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	14	14	$343.00	$132.14
93925 Ultrasound of leg arteries or artery grafts	13	13	$500.00	$241.53
84481 Thyroid hormone, t3 measurement, free	13	12	$108.00	$16.80
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	12	12	$353.00	$176.12
72100 X-ray of lower and sacral spine, 2-3 views	11	11	$125.00	$39.40

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	768	329	$159.64	$89.55
36415 Insertion of needle into vein for collection of blood sample	682	320	$17.00	$3.00
80053 Blood test, comprehensive group of blood chemicals	566	306	$71.00	$10.56
80061 Blood test, lipids (cholesterol and triglycerides)	539	309	$83.00	$13.34
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	394	284	$50.00	$7.77
84443 Blood test, thyroid stimulating hormone (TSH)	359	274	$77.00	$16.76
83036 Hemoglobin A1C level	346	186	$35.00	$9.65
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	323	214	$234.63	$127.46
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	268	268	$243.11	$130.97
81003 Automated urinalysis test	227	214	$13.00	$2.24
84439 Thyroxine (thyroid chemical), free	205	144	$38.00	$8.98
82044 Urine microalbumin (protein) analysis	119	111	$18.00	$6.13
0012A Adm sarscov2 100mcg/0.5ml2nd	105	105	$57.00	$31.89
G0008 Administration of influenza virus vaccine	97	96	$40.00	$16.30
90662 Influenza vaccine split virus, preservative free	94	93	$168.00	$64.52
G0444 Annual depression screening, 5 to 15 minutes	91	91	$35.00	$18.43
81001 Manual urinalysis test with examination using microscope, automated	89	80	$22.00	$3.13
0011A Adm sarscov2 100mcg/0.5ml1st	86	86	$35.87	$18.69
77080 Dxa bone density measurement of hip, pelvis, spine	68	68	$250.00	$37.62
G0179 Physician re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians to affirm the initial imp	50	27	$126.00	$40.28
G0442 Annual alcohol misuse screening, 5 to 15 minutes	48	48	$35.00	$18.43
0013A Adm sarscov2 100mcg/0.5ml3rd	46	46	$57.00	$38.69
84153 Psa (prostate specific antigen) measurement, total	45	42	$77.00	$17.62
80048 Blood test, basic group of blood chemicals (calcium, total)	39	29	$56.00	$8.03
99497 Advance care planning, first 30 minutes	39	39	$166.00	$84.09
99496 Transitional care management services for problem of high complexity	36	30	$445.00	$275.22
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	28	23	$150.00	$51.08
71046 X-ray of chest, 2 views	26	24	$105.00	$33.13
84550 Uric acid level, blood	26	25	$28.00	$4.37
93000 Routine ekg using at least 12 leads including interpretation and report	23	23	$90.00	$14.51
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	22	22	$321.00	$165.81
G0403 Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report	22	22	$32.00	$14.47
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	21	12	$50.33	$13.95
G0009 Administration of pneumococcal vaccine	21	21	$50.00	$16.47
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	20	20	$343.00	$125.92
72100 X-ray of lower and sacral spine, 2-3 views	19	18	$125.00	$39.19
83540 Iron level	17	15	$40.00	$6.47
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	15	15	$330.00	$166.31
93880 Ultrasound of both sides of head and neck blood flow	15	15	$435.00	$194.94
0031A Adm sarscov2 vac ad26 .5ml	15	15	$54.00	$38.69
84481 Thyroid hormone, t3 measurement, free	13	12	$108.00	$16.94
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	12	11	$101.00	$55.39
0003A Adm sarscov2 30mcg/0.3ml 3rd	11	11	$57.00	$38.69
93925 Ultrasound of leg arteries or artery grafts	11	11	$500.00	$251.45

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	852	348	$140.00	$72.57
36415 Insertion of needle into vein for collection of blood sample	632	321	$17.00	$2.97
80053 Blood test, comprehensive group of blood chemicals	536	307	$71.00	$10.43
80061 Blood test, lipids (cholesterol and triglycerides)	518	306	$83.00	$13.20
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	413	246	$207.00	$105.45
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	370	285	$50.00	$7.71
84443 Blood test, thyroid stimulating hormone (TSH)	359	278	$77.00	$16.62
83036 Hemoglobin A1C level	325	178	$35.00	$9.55
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	284	284	$223.00	$111.61
84439 Thyroxine (thyroid chemical), free	199	136	$38.00	$8.89
81003 Automated urinalysis test	194	184	$13.00	$2.23
81001 Manual urinalysis test with examination using microscope, automated	125	111	$22.00	$3.10
82044 Urine microalbumin (protein) analysis	99	91	$18.00	$6.14
G0444 Annual depression screening, 5 to 15 minutes	96	96	$35.00	$17.19
G0008 Administration of influenza virus vaccine	75	75	$40.00	$16.22
90662 Influenza vaccine split virus, preservative free	68	68	$166.88	$60.89
85610 Blood test, clotting time	66	11	$18.00	$4.24
99496 Transitional care management services for problem of high complexity	59	43	$445.00	$236.23
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	51	16	$49.00	$13.84
84153 Psa (prostate specific antigen) measurement, total	47	46	$77.00	$17.99
G0442 Annual alcohol misuse screening, 5 to 15 minutes	45	45	$35.00	$17.64
G0179 Physician re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians to affirm the initial imp	44	19	$126.00	$39.74
77080 Dxa bone density measurement of hip, pelvis, spine	39	39	$250.00	$36.93
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	33	28	$150.00	$51.78
71046 X-ray of chest, 2 views	30	29	$105.00	$30.63
80048 Blood test, basic group of blood chemicals (calcium, total)	27	20	$56.00	$8.38
87804 Detection test by immunoassay with direct visual observation for influenza virus	27	13	$36.00	$15.26
84550 Uric acid level, blood	25	24	$28.00	$4.33
0011A Adm sarscov2 100mcg/0.5ml1st	22	22	$34.00	$16.94
83540 Iron level	21	19	$40.00	$6.38
G0009 Administration of pneumococcal vaccine	21	20	$50.00	$16.16
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	17	17	$83.00	$43.91
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	14	14	$321.00	$162.12
93000 Routine ekg using at least 12 leads including interpretation and report	13	13	$90.00	$16.46
72100 X-ray of lower and sacral spine, 2-3 views	12	12	$125.00	$36.75
85651 Red blood cell sedimentation rate, to detect inflammation, non-automated	12	12	$20.00	$4.22
93880 Ultrasound of both sides of head and neck blood flow	11	11	$435.00	$189.23
90670 Pneumococcal vaccine for injection into muscle	11	11	$554.18	$222.94

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	785	359	$17.00	$2.91
99213 Established patient office or other outpatient visit, typically 15 minutes	688	312	$140.00	$70.77
80053 Blood test, comprehensive group of blood chemicals	580	334	$71.00	$11.45
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	564	305	$207.00	$104.25
80061 Blood test, lipids (cholesterol and triglycerides)	557	333	$83.00	$14.45
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	446	322	$50.00	$8.37
84443 Blood test, thyroid stimulating hormone (TSH)	381	294	$77.00	$18.11
81001 Manual urinalysis test with examination using microscope, automated	324	253	$22.00	$3.42
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	294	294	$223.00	$109.55
83036 Hemoglobin A1C level	289	170	$35.00	$10.43
84439 Thyroxine (thyroid chemical), free	212	145	$38.00	$9.78
G0008 Administration of influenza virus vaccine	162	156	$40.00	$15.41
G0444 Annual depression screening, 5 to 15 minutes	126	126	$35.00	$17.24
90653 Vaccine for influenza for injection into muscle	111	111	$119.00	$56.76
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	107	27	$49.00	$15.55
82044 Urine microalbumin (protein) analysis	101	95	$18.00	$6.05
85610 Blood test, clotting time	92	12	$18.00	$4.28
77080 Dxa bone density measurement of hip, pelvis, spine	88	88	$250.00	$37.77
81003 Automated urinalysis test	74	72	$13.00	$2.44
80048 Blood test, basic group of blood chemicals (calcium, total)	68	51	$56.00	$9.10
71046 X-ray of chest, 2 views	67	58	$105.00	$30.09
G0179 Physician re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians to affirm the initial imp	66	28	$126.00	$39.46
99496 Transitional care management services for problem of high complexity	64	50	$445.00	$222.63
87804 Detection test by immunoassay with direct visual observation for influenza virus	48	22	$36.00	$16.22
84153 Psa (prostate specific antigen) measurement, total	44	42	$77.00	$20.03
G0442 Annual alcohol misuse screening, 5 to 15 minutes	43	43	$35.00	$17.24
G0009 Administration of pneumococcal vaccine	40	40	$50.00	$15.11
17003 Destruction of precancer skin growth, 2-14 growths	38	14	$26.00	$5.38
84550 Uric acid level, blood	32	28	$28.00	$4.63
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	32	29	$150.00	$51.12
93880 Ultrasound of both sides of head and neck blood flow	30	30	$435.00	$181.32
93000 Routine ekg using at least 12 leads including interpretation and report	30	27	$90.00	$16.09
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	29	27	$83.00	$43.34
84481 Thyroid hormone, t3 measurement, free	28	26	$108.00	$17.87
90662 Influenza vaccine split virus, preservative free	26	26	$88.23	$49.47
90756 Vaccine for influenza for injection into muscle	26	26	$43.85	$26.13
90670 Pneumococcal vaccine for injection into muscle	22	22	$397.00	$196.88
80305 Testing for presence of drug, read by direct observation	22	18	$75.00	$12.35
93922 Ultrasound study of arm and leg arteries	19	19	$250.00	$64.24
93925 Ultrasound of leg arteries or artery grafts	19	19	$500.00	$242.91
17000 Destruction of skin growth	18	18	$135.00	$62.58
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	18	18	$135.00	$105.36
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	17	16	$279.00	$134.09
83540 Iron level	17	16	$40.00	$7.05
85651 Red blood cell sedimentation rate, to detect inflammation, non-automated	17	16	$20.00	$3.96
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	17	17	$321.00	$159.95
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	16	16	$38.00	$21.69
80076 Liver function blood test panel	14	14	$69.00	$8.35
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	13	13	$330.00	$164.87
72100 X-ray of lower and sacral spine, 2-3 views	12	12	$125.00	$31.76
72040 X-ray of upper spine, 2-3 views	11	11	$84.00	$34.65

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	829	391	$17.00	$2.93
99213 Established patient office or other outpatient visit, typically 15 minutes	777	346	$140.00	$69.96
80053 Blood test, comprehensive group of blood chemicals	597	360	$71.00	$12.72
80061 Blood test, lipids (cholesterol and triglycerides)	575	348	$83.00	$16.07
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	486	347	$50.00	$9.33
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	419	264	$207.00	$103.84
84443 Blood test, thyroid stimulating hormone (TSH)	399	316	$77.00	$20.19
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	315	315	$223.00	$110.89
81001 Manual urinalysis test with examination using microscope, automated	292	232	$22.00	$3.82
83036 Hemoglobin A1C level	280	161	$35.00	$11.71
84439 Thyroxine (thyroid chemical), free	202	139	$38.00	$10.91
99497 Advance care planning, first 30 minutes	166	166	$166.00	$81.53
G0008 Administration of influenza virus vaccine	165	163	$40.00	$19.27
G0444 Annual depression screening, 5 to 15 minutes	149	149	$35.00	$16.99
90662 Influenza vaccine split virus, preservative free	143	143	$83.29	$51.04
81003 Automated urinalysis test	123	115	$13.00	$2.67
85610 Blood test, clotting time	119	17	$18.00	$4.75
82044 Urine microalbumin (protein) analysis	104	99	$18.00	$6.11
71046 X-ray of chest, 2 views	99	77	$105.00	$29.03
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	92	30	$49.00	$19.61
77080 Dxa bone density measurement of hip, pelvis, spine	80	80	$250.00	$39.72
80048 Blood test, basic group of blood chemicals (calcium, total)	78	53	$56.00	$10.23
G0179 Physician re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians to affirm the initial imp	72	34	$126.00	$40.11
93000 Routine ekg using at least 12 leads including interpretation and report	55	51	$90.00	$16.29
99496 Transitional care management services for problem of high complexity	55	48	$445.00	$220.86
G0009 Administration of pneumococcal vaccine	53	52	$50.00	$19.51
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	45	39	$83.00	$42.14
87804 Detection test by immunoassay with direct visual observation for influenza virus	44	21	$36.00	$16.22
84153 Psa (prostate specific antigen) measurement, total	44	41	$77.00	$21.81
84550 Uric acid level, blood	39	32	$28.00	$5.47
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	38	35	$150.00	$51.80
93880 Ultrasound of both sides of head and neck blood flow	34	34	$435.00	$190.29
G0442 Annual alcohol misuse screening, 5 to 15 minutes	33	33	$35.00	$17.55
90670 Pneumococcal vaccine for injection into muscle	28	28	$397.00	$197.96
93925 Ultrasound of leg arteries or artery grafts	27	27	$500.00	$248.88
85651 Red blood cell sedimentation rate, to detect inflammation, non-automated	27	22	$20.00	$4.01
84481 Thyroid hormone, t3 measurement, free	24	21	$108.00	$20.50
93922 Ultrasound study of arm and leg arteries	24	24	$250.00	$65.91
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	24	24	$126.67	$105.59
99495 Transitional care management services for problem of at least moderate complexity	23	22	$316.00	$158.27
72100 X-ray of lower and sacral spine, 2-3 views	22	20	$125.00	$33.30
80305 Testing for presence of drug, read by direct observation	21	17	$75.00	$13.19
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	17	17	$330.00	$165.67
83540 Iron level	16	13	$40.00	$7.34
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	15	15	$279.00	$140.33
82270 Stool analysis for blood to screen for colon tumors	15	15	$20.00	$4.29
80076 Liver function blood test panel	13	13	$69.00	$9.89
90756 Vaccine for influenza for injection into muscle	12	12	$35.00	$22.33
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	12	12	$321.00	$147.36
17000 Destruction of skin growth	12	12	$135.00	$63.41
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep)	12	12	$27.00	$16.20

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	857	412	$17.00	$2.94
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	828	377	$207.00	$102.42
80053 Blood test, comprehensive group of blood chemicals	622	387	$71.00	$11.77
80061 Blood test, lipids (cholesterol and triglycerides)	579	379	$83.00	$13.57
99213 Established patient office or other outpatient visit, typically 15 minutes	544	285	$140.00	$69.68
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	503	374	$50.00	$10.42
84443 Blood test, thyroid stimulating hormone (TSH)	392	318	$77.00	$22.49
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	358	358	$223.30	$109.56
81001 Manual urinalysis test with examination using microscope, automated	281	221	$22.00	$4.24
83036 Hemoglobin A1C level	266	168	$35.00	$12.96
99497 Advance care planning, first 30 minutes	262	261	$166.00	$78.87
G0008 Administration of influenza virus vaccine	226	214	$40.00	$23.70
G0444 Annual depression screening, 5 to 15 minutes	189	189	$35.00	$16.89
90653 Vaccine for influenza for injection into muscle	189	188	$75.00	$48.44
84439 Thyroxine (thyroid chemical), free	183	132	$38.00	$11.97
81003 Automated urinalysis test	147	138	$13.00	$3.02
G0009 Administration of pneumococcal vaccine	128	127	$50.00	$23.91
80048 Blood test, basic group of blood chemicals (calcium, total)	114	66	$56.00	$10.96
85610 Blood test, clotting time	106	18	$18.00	$5.28
G0442 Annual alcohol misuse screening, 5 to 15 minutes	98	98	$35.00	$16.90
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	96	31	$49.00	$24.05
82044 Urine microalbumin (protein) analysis	96	89	$18.00	$6.10
G0179 Physician re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians to affirm the initial imp	89	35	$126.00	$39.43
77080 Dxa bone density measurement of hip, pelvis, spine	79	79	$250.00	$38.32
71020 X-ray of chest, 2 views, front and side	75	64	$105.00	$26.43
90670 Pneumococcal vaccine for injection into muscle	68	68	$397.00	$186.79
99496 Transitional care management services for problem of high complexity	64	54	$445.00	$218.30
93000 Routine ekg using at least 12 leads including interpretation and report	59	58	$90.00	$16.16
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	59	59	$111.27	$93.16
84153 Psa (prostate specific antigen) measurement, total	47	46	$77.00	$24.73
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	45	41	$150.00	$51.39
84550 Uric acid level, blood	40	30	$28.00	$4.36
84481 Thyroid hormone, t3 measurement, free	32	28	$108.00	$21.70
83540 Iron level	30	26	$40.00	$8.47
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	30	26	$83.00	$41.14
93880 Ultrasound of both sides of head and neck blood flow	27	27	$435.00	$184.04
99495 Transitional care management services for problem of at least moderate complexity	27	24	$316.00	$151.59
93925 Ultrasound of leg arteries or artery grafts	24	24	$500.00	$242.14
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	24	22	$279.00	$139.14
72100 X-ray of lower and sacral spine, 2-3 views	23	22	$125.00	$33.06
93922 Ultrasound study of arm and leg arteries	23	23	$250.00	$65.18
90662 Influenza vaccine split virus, preservative free	21	21	$50.00	$41.87
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	20	20	$321.00	$158.20
85651 Red blood cell sedimentation rate, to detect inflammation, non-automated	19	17	$20.00	$4.58
80076 Liver function blood test panel	18	16	$69.00	$9.77
Q2037 Influenza virus vaccine, split virus, when administered to individuals 3 years of age and older, for intramuscular use (fluvirin)	18	18	$37.22	$17.11
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	17	17	$330.00	$163.57
82270 Stool analysis for blood to screen for colon tumors	16	16	$20.00	$4.37
G0403 Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report	13	13	$32.00	$16.21
80305 Testing for presence of drug, read by direct observation	12	12	$75.00	$11.21
72040 X-ray of upper spine, 2-3 views	11	11	$84.00	$31.07

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License TX L0363

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.

Pediatrics

NUCC Taxonomy Code: 208000000X

State License TX L0363

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

100229300A (OK)

Medicaid State Provider ID

042108301 (TX)

Hospital & Practice Group Affiliations

Texomacare

5012 S Us Hwy 75, Denison, TX 750204587

Legacy Healthcare Services Inc

5701 Virginia Pkwy, Mckinney, TX 750715652

Phone: 2145920212

Texomacare

5012 S Us Hwy 75, Denison, TX 750204589

Phone: 9034166015

Practice Associates & Co-Workers

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

6 Associated Practitioners

Dr. Diego Restrepo , MD

Family Medicine

NPI 1063664076

Doctor of Medicine (M.D.)

Dr. John Sissney , DO

Family Medicine

NPI 1154681401

Doctor of Osteopathic Medicine (D.O.)

Dr. Robert Church , MD

Family Medicine

NPI 1306048673

Doctor of Medicine (M.D.)

Dr. Gregory Carlson , MD

Family Medicine

NPI 1386694438

Doctor of Medicine (M.D.)

Dr. Mei Hui , MD

Family Medicine

NPI 1760695621

Doctor of Medicine (M.D.)

Dr. Lee Schreiber , MD

Family Medicine

NPI 1942237839

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

13 Historical Events

✅

NPI Profile Active January 26, 2018

NPI status registered as active in NPPES database

📍

Updated Practice Location January 26, 2018

Registered at 5012 S US HIGHWAY 75, SUITE 300, DENISON, TX 750204587 (Tel: 9304166025)

📍

Updated Business Mailing Address January 26, 2018

Registered at 5012 S US HIGHWAY 75 STE 300, ATTN BILLING, DENISON, TX 750204589 (Tel: 9034166025)

👤

Provider Name / Credentials Updated January 26, 2018

Recorded as MARILYN LANDRUM, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 26, 2018

Internal Medicine (License #L0363 in TX)

📍

Updated Business Mailing Address October 05, 2017

Registered at 5012 S US HIGHWAY 75 STE 300, ATTN BILLING, DENISON, TX 750204589 (Tel: 9034161726)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) October 05, 2017

Pediatrics (License #L0363 in TX)

✅

NPI Profile Active July 10, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location July 10, 2015

Registered at 5012 S US HIGHWAY 75, SUITE 300, DENISON, TX 750204587 (Tel: 9304166025)

📍

Updated Business Mailing Address July 10, 2015

Registered at PO BOX 844707, DALLAS, TX 752844707 (Tel: 9304166025)

👤

Provider Name / Credentials Updated July 10, 2015

Recorded as MARILYN LANDRUM, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 10, 2015

Internal Medicine (License #L0363 in TX)

🟢

Initial NPI Registration & Enumeration May 09, 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: 1285683987

Entity Type:

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

Enumeration Date: May 09, 2006

Last Update: January 26, 2018

Sole Proprietor: No

Update or Correct Profile

Mailing Address

5012 S Us Highway 75 Ste 300, Attn Billing

Denison, TX 750204589

Phone: 9034166025

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.