Quick answers
- Which hospitals does Andrew Graf work at?
- Medicare's official clinician data lists Andrew Graf at 5 hospitals: Geisinger Medical Center, Jefferson Einstein Montgomery Hospital, UPMC Pinnacle Hospitals, UPMC Williamsport and WellSpan Evangelical Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Andrew Graf see patients?
- Medicare's clinician data lists 3 practice locations, including Williamsport, PA and Plymouth Meeting, PA. Call before your visit to confirm the address.
- What is Andrew Graf's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Andrew Graf accept Medicare assignment?
- Medicare's clinician data says Andrew Graf may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Andrew Graf?
- (570) 327-1760, as listed in official Medicare / NPI Registry data.
- What is Andrew Graf's NPI number?
- 1316108269. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Andrew Graf works
Medicare's Facility Affiliation Data lists Andrew Graf at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Geisinger Medical CenterDanville, PA · Acute Care Hospital · CCN 390006
- Jefferson Einstein Montgomery HospitalEast Norriton, PA · Acute Care Hospital · CCN 390329
- UPMC Pinnacle HospitalsHarrisburg, PA · Acute Care Hospital · CCN 390067
- UPMC WilliamsportWilliamsport, PA · Acute Care Hospital · CCN 390045
- WellSpan Evangelical Community HospitalLewisburg, PA · Acute Care Hospital · CCN 390013
Practice locations
Addresses where Andrew Graf is enrolled with Medicare (CMS data updated 2026-10-02).
- 1948 E 3rd StWilliamsport, PA 17701 (570) 327‑1760
- 1948 E 3rd St, Suite CWilliamsport, PA 17701 (570) 327‑1760
- 2901 Jolly RdPlymouth Meeting, PA 19462 (610) 272‑8221
Group practices
Medicare enrollment lists Andrew Graf as a member of these groups (CMS data updated 2026-10-02).
- H2 Rehabilitation Extension Services LLC163 clinicians in the group
- Suburban Geriatrics II PC109 clinicians in the group
- Suburban Geriatric's, Inc.104 clinicians in the group
- Violet Valley Long Term Care PC55 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Williamsport
Clinicians with the same Medicare primary specialty in Williamsport, PA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2008 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1316108269 |
| 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