Dr. Marilyn Landrum, MD
What this data tells you about Dr. Landrum
Dr. Marilyn Landrum is a pediatrics in Denison, TX, with 19 years in practice. Based on federal Medicare data, Dr. Landrum performed 5,151 Medicare services across 3,649 unique beneficiaries.
Between the years covered by Open Payments, Dr. Landrum received a total of $3,301 from 29 pharmaceutical and/or device companies across 261 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in pediatrics. Most payments are for meals and travel — low-value interactions common across virtually all practicing physicians. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Landrum is Very High — reflecting how much public federal data is available about this provider. This is not a quality rating. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Office visit, established patient (20-29 min) | 685 | $57 | $178 |
| Blood draw (venipuncture) | 560 | $8 | $15 |
| Comprehensive metabolic blood panel | 416 | $10 | $63 |
| Lipid panel (cholesterol and triglycerides) | 407 | $13 | $69 |
| Complete blood count (CBC) with differential | 312 | $8 | $46 |
| Thyroid stimulating hormone (TSH) test | 304 | $16 | $70 |
| Office visit, established patient (30-39 min) | 300 | $84 | $254 |
| Advance care planning consultation, first 30 min | 258 | $74 | $164 |
| Annual wellness visit, follow-up | 235 | $125 | $256 |
| Hemoglobin A1c test (diabetes monitoring) | 233 | $9 | $30 |
| Automated urinalysis | 208 | $2 | $11 |
| Annual depression screening | 196 | $18 | $35 |
| Free thyroxine (T4) test | 188 | $9 | $32 |
| Flu vaccine administration | 113 | $30 | $40 |
| Flu vaccine, high-dose | 111 | $71 | $158 |
| Urinalysis with microscopic exam | 82 | $3 | $16 |
| Annual alcohol misuse screening, 5 to 15 minutes | 67 | $18 | $35 |
| Bone density scan (DEXA) | 60 | $37 | $171 |
| Transitional care management services for problem of high complexity | 48 | $210 | $488 |
| Basic metabolic blood panel | 42 | $8 | $41 |
| PSA test (prostate cancer screening) | 42 | $18 | $60 |
| Chest X-ray, 2 views | 37 | $26 | $95 |
| Physician or allowed practitioner 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 a | 30 | $32 | $112 |
| Electrocardiogram (EKG), 12-lead | 29 | $10 | $80 |
| Drug injection, under skin or into muscle | 28 | $11 | $49 |
| Urine microalbumin (protein) analysis | 22 | $6 | $15 |
| Uric acid level test | 22 | $4 | $18 |
| Office visit, established patient (10-19 min) | 20 | $39 | $110 |
| 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 | $40 | $127 |
| Ultrasound of both sides of head and neck blood flow | 16 | $133 | $418 |
| Red blood cell sedimentation rate, to detect inflammation, non-automated | 14 | $4 | $16 |
| Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report | 14 | $6 | $30 |
| Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment | 13 | $158 | $323 |
| X-ray of lower and sacral spine, 2-3 views | 11 | $31 | $104 |
| Pneumonia vaccine administration | 11 | $30 | $50 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
Associated products mentioned in payments ›
Most payments (100%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians. Total industry engagement is in the top 4% for pediatrics in TX.
Geographic Context
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This measures how much public data is available about a provider — not how good they are. How we calculate this →
Summary
Dr. Landrum is a clinical cardiology specialist, with above-average Medicare volume (top 4% in TX), and high industry engagement (low-engagement, top 4%), with 19 years of practice experience.
This summary is auto-generated from federal data. It describes data availability and patterns — not clinical quality. Read our methodology →
Frequently Asked Questions
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. The Transparency Score measures data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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