D Patrick Williams, DO
NPI 1184647745ActiveIndividual· Orthopaedic Surgery, Hand Surgery· Erie, PA
Orthopaedic Surgery, Hand Surgery (DO) with Keystone Rehabilitation Systems Inc and 1 other group, practicing in Erie, Pennsylvania. 388 Medicare patients in 2024, $136,256 paid; nearly all of their 322 Part D prescriptions were generic (95%). Mid-Atlantic Surgical Systems, LLC reported $16.13 in payments in 2025, mostly food and beverage. Lists Upmc Chautauqua at Wca and 1 other hospital as hospital affiliations.
Overview
| NPI | 1184647745 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jul 25, 2006 |
| Last updated in NPPES | Sep 9, 2026 |
| Certified by provider | Apr 1, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery, Hand Surgery Primary | 207XS0106X | OS011213L | PA |
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 - Orthopedic Surgery (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 388 |
|---|---|
| Services billed | 2,365 across 106 procedure codes |
| Paid by Medicare | $136,256 |
Part D prescriptions in 2024
| Prescriptions (claims) | 322 · 399 30-day fills |
|---|---|
| Patients | 225 |
| Total drug cost | $51,196 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 1989 |
|---|---|
| Medicare specialty | Orthopedic Surgery |
| Secondary specialties | Hand Surgery |
Medical groups
- Keystone Rehabilitation Systems IncSeven Fields, PA · 776 clinicians
- Regional Health Services IncErie, PA · 568 clinicians
Hospital affiliations
- Upmc Chautauqua at WcaJamestown, NY
- Upmc HamotErie, PA
Industry payments (Open Payments)
- 2025$16.13 · 1 payment from 1 company
- 2024$32.65 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mid-Atlantic Surgical Systems, LLC | $16.13 | 1 |
What the 2025 payments were for
- Food and Beverage$16.13 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All Orthopaedic Surgery, Hand Surgery providers in Pennsylvania →