Quick answers
- Which hospitals does Jonathan H. Griner work at?
- Medicare's official clinician data lists Jonathan H. Griner at 1 hospital: WellSpan Ephrata Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jonathan H. Griner see patients?
- Medicare's clinician data lists 5 practice locations, including Ephrata, PA, York, PA and Lancaster, PA. Call before your visit to confirm the address.
- What is Jonathan H. Griner's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Jonathan H. Griner accept Medicare assignment?
- Yes. Medicare's clinician data says Jonathan H. Griner 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 Jonathan H. Griner?
- (717) 845-7214, as listed in official Medicare / NPI Registry data.
- What is Jonathan H. Griner's NPI number?
- 1023088051. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jonathan H. Griner works
Medicare's Facility Affiliation Data lists Jonathan H. Griner at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- WellSpan Ephrata Community HospitalEphrata, PA · Acute Care Hospital · CCN 390225
Practice locations
Addresses where Jonathan H. Griner is enrolled with Medicare (CMS data updated 2026-10-02).
- 175 Martin AveEphrata, PA 17522
- 25 Monument RdYork, PA 17403
- 2618 E Market St, Autumn HouseYork, PA 17403 (717) 845‑7214
- 35 Erick RdLancaster, PA 17601 (717) 639‑2955
- 914 W Market St, Autumn House WestYork, PA 17403 (717) 845‑7214
Group practices
Medicare enrollment lists Jonathan H. Griner as a member of this group (CMS data updated 2026-10-02).
- WellSpan Medical Group2,480 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Ephrata
Clinicians with the same Medicare primary specialty in Ephrata, PA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Maryland School Of Medicine |
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1023088051 |
| 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