Mark Alexander Williams, M.D.
NPI 1952446015ActiveIndividual· Pathology, Anatomic Pathology & Clinical Pathology· Richmond, VA
Pathology, Anatomic Pathology & Clinical Pathology (M.D.) in Richmond, Virginia, trained at University of Virginia School of Medicine (class of 2007). Medicare paid $90,016 for services to 1,228 patients in 2024.
Overview
| NPI | 1952446015 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 20, 2007 |
| Last updated in NPPES | Aug 1, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pathology, Anatomic Pathology & Clinical Pathology Primary | 207ZP0102X | 0101237794 | VA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Pathology (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,228 |
|---|---|
| Services billed | 3,089 across 31 procedure codes |
| Paid by Medicare | $90,016 |
Education and affiliations
| Medical school | University of Virginia School of Medicine |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Pathology |
Medical group
- Monument Pathologists Inc.Midlothian, VA · 12 clinicians
Hospital affiliations
- Bon Secours Memorial Regional Medical CenterMechanicsville, VA
- Bon Secours Southside Medical CenterPetersburg, VA
- Bon Secours St Francis Medical CenterMidlothian, VA
- Bon Secours St Marys HospitalRichmond, VA
- Medical College of Virginia HospitalsRichmond, VA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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