Quick answers
- Which hospitals does William J. Adair work at?
- Medicare's official clinician data lists William J. Adair at 4 hospitals: Gettysburg Hospital, UPMC Hanover, WellSpan Chambersburg Hospital and WellSpan York Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William J. Adair see patients?
- Medicare's clinician data lists 2 practice locations, including Frederick, MD and Gettysburg, PA. Call before your visit to confirm the address.
- What is William J. Adair's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does William J. Adair accept Medicare assignment?
- Yes. Medicare's clinician data says William J. Adair accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does William J. Adair offer telehealth?
- Medicare's clinician data says William J. Adair offers telehealth services. Ask the office which visits can be done by video or phone.
- What is William J. Adair's NPI number?
- 1750407854. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where William J. Adair works
Medicare's Facility Affiliation Data lists William J. Adair at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Gettysburg HospitalGettysburg, PA · Acute Care Hospital · CCN 390065
- UPMC HanoverHanover, PA · Acute Care Hospital · CCN 390233
- WellSpan Chambersburg HospitalChambersburg, PA · Acute Care Hospital · CCN 390151
- WellSpan York HospitalYork, PA · Acute Care Hospital · CCN 390046
Practice locations
Addresses where William J. Adair is enrolled with Medicare (CMS data updated 2026-10-02).
- 187 Thomas Johnson Dr, Suite 6Frederick, MD 21702
- 524 S Washington StGettysburg, PA 17325
Group practices
Medicare enrollment lists William J. Adair as a member of these groups (CMS data updated 2026-10-02).
- Amber Hill Physical Therapy Inc334 clinicians in the group
- Gettysburg Family Practice Inc7 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Frederick
Clinicians with the same Medicare primary specialty in Frederick, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Jefferson Medical College Of Thomas Jefferson University |
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1750407854 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians