Dr. Michael Williams, M.D.
What this data tells you about Dr. Williams
Dr. Michael Williams is a neuroradiology physician in Tyler, TX, with 19 years in practice. Based on federal Medicare data, Dr. Williams performed 3,231 Medicare services across 3,111 unique beneficiaries.
Between the years covered by Open Payments, Dr. Williams received a total of $3,284 from 13 pharmaceutical and/or device companies across 61 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in neuroradiology physician. 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. Williams 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 |
|---|---|---|---|
| Mri scan of brain without contrast | 532 | $54 | $460 |
| Ct scan of blood vessels of head with contrast | 391 | $64 | $428 |
| Ct scan of blood vessels of neck with contrast | 385 | $61 | $429 |
| CT scan of head/brain, without contrast | 377 | $31 | $225 |
| Mri scan of brain before and after contrast | 268 | $83 | $725 |
| Computed tomography (ct) of brain blood flow, volume, and timing of flow analysis with contrast | 213 | $173 | $1,100 |
| Mri scan of lower spinal canal without contrast | 182 | $53 | $360 |
| Mri scan of upper spinal canal without contrast | 135 | $53 | $388 |
| Mri scan of blood vessels of head without contrast | 70 | $44 | $291 |
| X-ray of lower and sacral spine, 2-3 views | 67 | $8 | $53 |
| X-ray of upper spine, 2-3 views | 60 | $8 | $53 |
| Mri scan of lower spinal canal before and after contrast | 53 | $81 | $571 |
| Mri scan of upper spinal canal before and after contrast | 48 | $82 | $621 |
| Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | 47 | $9 | $250 |
| Ct scan of lower spine without contrast | 46 | $36 | $280 |
| Ct scan of upper spine without contrast | 41 | $36 | $280 |
| Mri scan of middle spinal canal without contrast | 37 | $53 | $389 |
| Removal of blood clot and injection to dissolve blood clot from head artery using fluoroscopic guidance | 33 | $631 | $4,327 |
| Mri scan of blood vessels of neck without contrast | 33 | $42 | $289 |
| X-ray of spine, 1 view | 33 | $6 | $38 |
| Mri scan of middle spinal canal before and after contrast | 29 | $82 | $622 |
| Complete ultrasound of within the brain blood flow | 22 | $35 | $241 |
| Ct scan of lower spine with contrast | 17 | $44 | $310 |
| Review by radiologist of image for insertion of material to block blood flow | 17 | $53 | $280 |
| Imaging of blood vessel | 17 | $68 | $355 |
| Occlusion of central nervous system or spinal cord artery | 16 | $868 | $5,999 |
| Insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist | 14 | $233 | $1,867 |
| Ct scan of head or brain before and after contrast | 13 | $47 | $310 |
| X-ray of middle spine, 2 views | 13 | $7 | $53 |
| Ct scan of middle spine without contrast | 11 | $34 | $205 |
| Nuclear medicine study, spect imaging, 1 area or single acquisition, single day imaging | 11 | $39 | $268 |
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
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. Williams is a mixed practice specialist, with moderate Medicare volume, and high industry engagement (low-engagement, top 13%), 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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