Dr. John Walker, MD
What this data tells you about Dr. Walker
Dr. John Walker is a family medicine in The Woodlands, TX, with 19 years in practice. Based on federal Medicare data, Dr. Walker performed 3,480 Medicare services across 2,557 unique beneficiaries.
Between the years covered by Open Payments, Dr. Walker received a total of $4,084 from 40 pharmaceutical and/or device companies across 251 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in family medicine. 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. Walker 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 (30-39 min) | 650 | $75 | $330 |
| Blood draw (venipuncture) | 491 | $8 | $10 |
| Office visit, established patient (20-29 min) | 298 | $53 | $222 |
| Comprehensive metabolic blood panel | 241 | $10 | $43 |
| Lipid panel (cholesterol and triglycerides) | 216 | $13 | $55 |
| Hemoglobin A1c test (diabetes monitoring) | 205 | $10 | $40 |
| Basic metabolic blood panel | 141 | $8 | $35 |
| Thyroid stimulating hormone (TSH) test | 117 | $16 | $69 |
| Remote patient monitoring management, 20 min/month | 106 | $36 | $157 |
| Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional | 99 | $13 | $61 |
| Annual wellness visit, follow-up | 97 | $125 | $357 |
| Remote patient monitoring device, 30 days | 91 | $36 | $195 |
| Complete blood count (CBC) with differential | 90 | $8 | $32 |
| Assessment of emotional or behavioral problems | 83 | $3 | $16 |
| 3D screening mammography (tomosynthesis) | 49 | $51 | $126 |
| Screening mammography | 49 | $124 | $324 |
| Drug injection, under skin or into muscle | 44 | $11 | $105 |
| Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza | 33 | $64 | $220 |
| Advance care planning consultation, first 30 min | 32 | $71 | $261 |
| Prostate cancer screening; prostate specific antigen test (psa) | 30 | $19 | $75 |
| Electrocardiogram (EKG), 12-lead | 27 | $11 | $52 |
| Urinalysis with microscopic exam | 25 | $3 | $13 |
| Chest X-ray, 2 views | 24 | $14 | $60 |
| Vitamin B-12 level test | 22 | $15 | $62 |
| PSA test (prostate cancer screening) | 22 | $18 | $75 |
| Adm sarscv2 bvl 30mcg/.3ml a | 21 | $39 | $120 |
| Vitamin D level test | 21 | $29 | $111 |
| Urine microalbumin test (kidney screening) | 20 | $6 | $23 |
| Office visit, established patient, complex (40-54 min) | 20 | $120 | $446 |
| Urinalysis, manual | 18 | $3 | $10 |
| Bone density scan (DEXA) | 17 | $37 | $126 |
| Folic acid level test | 16 | $14 | $60 |
| Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit | 16 | $160 | $529 |
| Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment | 14 | $160 | $512 |
| Adm sarscv2 bvl 50mcg/.5ml a | 13 | $39 | $120 |
| Free thyroxine (T4) test | 11 | $8 | $37 |
| Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) | 11 | $16 | $49 |
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.
Geographic Context
4.1 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. Walker is a clinical cardiology specialist, with above-average Medicare volume (top 6% in TX), and high industry engagement (low-engagement, top 16%), 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
Is Dr. Walker experienced with office visit, established patient (30-39 min)?
Does Dr. Walker receive payments from pharmaceutical companies?
How do Dr. Walker's costs compare to other family medicines in The Woodlands?
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Explore related providers
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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