Quick answers
- Which hospitals does Ronald N. Eister work at?
- Medicare's official clinician data lists Ronald N. Eister at 4 hospitals: Geisinger Jersey Shore Hospital, Geisinger Medical Center, Geisinger-Lewistown Hospital and UPMC Williamsport. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ronald N. Eister see patients?
- Medicare's clinician data lists 4 practice locations, including Jersey Shore, PA, Cranberry Twp, PA and Lock Haven, PA. Call before your visit to confirm the address.
- What is Ronald N. Eister's specialty?
- Medicare lists Family Practice as the primary specialty, and also Emergency Medicine.
- Does Ronald N. Eister accept Medicare assignment?
- Yes. Medicare's clinician data says Ronald N. Eister 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.
- What is the phone number for Ronald N. Eister?
- (570) 398-3113, as listed in official Medicare / NPI Registry data.
- What is Ronald N. Eister's NPI number?
- 1205934544. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ronald N. Eister works
Medicare's Facility Affiliation Data lists Ronald N. Eister at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Geisinger Jersey Shore HospitalJersey Shore, PA · Critical Access Hospital · CCN 391300
- Geisinger Medical CenterDanville, PA · Acute Care Hospital · CCN 390006
- Geisinger-Lewistown HospitalLewistown, PA · Acute Care Hospital · CCN 390048
- UPMC WilliamsportWilliamsport, PA · Acute Care Hospital · CCN 390045
Practice locations
Addresses where Ronald N. Eister is enrolled with Medicare (CMS data updated 2026-10-02).
- 1020 Thompson StJersey Shore, PA 17740 (570) 398‑3113
- 2000 Westinghouse Dr, Suite 200Cranberry Twp, PA 16066
- 529 High StLock Haven, PA 17745 (570) 748‑8038
- 955 Bellefonte AveLock Haven, PA 17745 (570) 748‑7714
Group practices
Medicare enrollment lists Ronald N. Eister as a member of these groups (CMS data updated 2026-10-02).
- Geisinger Clinic3,467 clinicians in the group
- Phoenix Rehabilitation and Health Services Inc2,800 clinicians in the group
- Geisinger-Hm Joint Venture LLC422 clinicians in the group
Specialties
- Family Practiceprimary
- Emergency Medicinealso
Other family doctors in Pennsylvania
Clinicians with the same Medicare primary specialty in Pennsylvania — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Jefferson Medical College Of Thomas Jefferson University |
| Graduation year | 1980 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1205934544 |
| 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