Michelle Dianne Williams, M.D.
NPI 1598793630ActiveIndividual· Pathology, Anatomic Pathology & Clinical Pathology· Houston, TX
Pathology, Anatomic Pathology & Clinical Pathology (M.D.) in Houston, Texas, trained at University of Florida College of Medicine (class of 2000). 630 Medicare patients in 2024, $91,275 paid; all of their 59 Part D prescriptions were generic. Medtronic, Inc. reported $35.25 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1598793630 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 29, 2006 |
| Last updated in NPPES | Oct 14, 2020 |
| Certified by provider | Oct 11, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pathology, Anatomic Pathology & Clinical Pathology Primary | 207ZP0102X | M4657 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Pathology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 630 |
|---|---|
| Services billed | 2,430 across 23 procedure codes |
| Paid by Medicare | $91,275 |
Part D prescriptions in 2024
| Prescriptions (claims) | 59 · 59 30-day fills |
|---|---|
| Total drug cost | $1,118 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | University of Florida College of Medicine |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Pathology |
Medical group
- Physicians Referral ServiceHouston, TX · 2,765 clinicians
Industry payments (Open Payments)
- 2025$35.25 · 1 payment from 1 company
- 2024$100.12 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $35.25 | 1 |
What the 2025 payments were for
- Food and Beverage$35.25 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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