William J. Adair, M.D.
NPI 1750407854ActiveIndividual· Family Medicine· Gettysburg, PA
Family Medicine (M.D.) in Gettysburg, Pennsylvania, trained at Jefferson Medical College of Thomas Jefferson University (class of 2004). In 2024 Medicare paid $562,653 for 832 patients, and Part D covered 10,521 of their prescriptions, 89% of them generic. Exact Sciences Corporation was the largest of 6 companies reporting payments in 2025, $213.09 in all, mostly food and beverage.
Overview
| NPI | 1750407854 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 21, 2007 |
| Last updated in NPPES | Nov 21, 2025 |
| Certified by provider | Nov 21, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | MD429294 | 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 | 832 |
|---|---|
| Services billed | 21,821 across 91 procedure codes |
| Paid by Medicare | $562,653 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,521 · 24,517 30-day fills |
|---|---|
| Patients | 876 |
| Total drug cost | $809,383 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Jefferson Medical College of Thomas Jefferson University |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical groups
- Amber Hill Physical Therapy IncFrederick, MD · 334 clinicians
- Gettysburg Family Practice IncGettysburg, PA · 7 clinicians
Hospital affiliations
- Gettysburg HospitalGettysburg, PA
- Upmc HanoverHanover, PA
- Wellspan Chambersburg HospitalChambersburg, PA
- Wellspan York HospitalYork, PA
Other facilities
- Bayada Home Health Care, Inc.Home health agency · Harrisburg, PA
- Enhabit Home HealthHome health agency · York, PA
- Residential Home Health of Carlisle, LLCHome health agency · Mechanicsburg, PA
- Wellspan Vna Home CareHome health agency · York, PA
Industry payments (Open Payments)
- 2025$213.09 · 9 payments from 6 companies
- 2024$208.81 · 11 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $95.41 | 3 |
| Pfizer Inc. | $37.96 | 2 |
| Merck Sharp & Dohme LLC | $25.49 | 1 |
| Glaxosmithkline, LLC. | $19.46 | 1 |
| Astrazeneca Pharmaceuticals LP | $18.73 | 1 |
What the 2025 payments were for
- Food and Beverage$213.09 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 27 family medicine physicians in Gettysburg · All family medicine physicians in Pennsylvania