William Joseph Liaw, D.O.
NPI 1508825548ActiveIndividual· Family Medicine· Macungie, PA
Family Medicine (D.O.) in Macungie, Pennsylvania, trained at Philadelphia College of Osteopathic Medicine (class of 1994). Their prescriptions cost Medicare Part D more than their services did: $704,106 for 8,131 claims, against $105,597 paid for services in 2024.
Overview
| NPI | 1508825548 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Mar 20, 2006 |
| Last updated in NPPES | Dec 6, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | OS008821L | 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 | 313 |
|---|---|
| Services billed | 1,518 across 38 procedure codes |
| Paid by Medicare | $105,597 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,131 · 18,377 30-day fills |
|---|---|
| Patients | 616 |
| Total drug cost | $704,106 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Philadelphia College of Osteopathic Medicine |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- St Lukes Physician Group IncQuakertown, PA · 2,198 clinicians
Hospital affiliations
- Geisinger St. Luke's HospitalOrwigsburg, PA
- Lehigh Valley HospitalAllentown, PA
- St Luke's Hospital - Grand View CampusSellersville, PA
- St Luke's Hospital - Upper Bucks CampusQuakertown, PA
- St Lukes HospitalBethlehem, PA
Other facilities
- Bayada Home Health Care, Inc.Home health agency · Allentown, PA
- Good Shepherd Rehabilitation Hospital, theInpatient rehabilitation facility · Center Valley, PA
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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All 20 family medicine physicians in Macungie · All family medicine physicians in Pennsylvania