Mary Ellen Williams, D.O.
NPI 1093855793ActiveIndividual· Family Medicine· Whitehall, PA
Family Medicine (D.O.) in Whitehall, Pennsylvania, trained at Philadelphia College of Osteopathic Medicine (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $184,263 for 2,585 claims, against $37,168 paid for services in 2024.
Overview
| NPI | 1093855793 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Feb 8, 2007 |
| Last updated in NPPES | Jul 19, 2023 |
| Certified by provider | Jul 19, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | OS008484L | PA |
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 - Family Practice (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 235 |
|---|---|
| Services billed | 571 across 47 procedure codes |
| Paid by Medicare | $37,168 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,585 · 6,232 30-day fills |
|---|---|
| Patients | 446 |
| Total drug cost | $184,263 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Philadelphia College of Osteopathic Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Family Practice |
| Secondary specialties | Osteopathic Manipulative Medicine |
| Telehealth | Offers telehealth |
Medical group
- Lehigh Valley Physician GroupAllentown, PA · 2,542 clinicians
Hospital affiliations
- Lehigh Valley HospitalAllentown, PA
- St Lukes HospitalBethlehem, PA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other family medicine physicians in Whitehall
- 1104850734
- 1700037751
- 1770546533
- 1972706091
- 1114365194
- 1376975433
- 1609365386
- 1821035320
- 1962962126
- 1871238022
- 1952343931
- 1235439977
All 25 family medicine physicians in Whitehall · All family medicine physicians in Pennsylvania