Quick answers
- Which hospitals does Mara R. Yahner work at?
- Medicare's official clinician data lists Mara R. Yahner at 1 hospital: Potomac Valley Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mara R. Yahner see patients?
- Medicare's clinician data lists 1 practice location in Keyser, WV. Call before your visit to confirm the address.
- What is Mara R. Yahner's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Mara R. Yahner accept Medicare assignment?
- Yes. Medicare's clinician data says Mara R. Yahner 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 Mara R. Yahner?
- (304) 597-3500, as listed in official Medicare / NPI Registry data.
- What is Mara R. Yahner's NPI number?
- 1811881014. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mara R. Yahner works
Medicare's Facility Affiliation Data lists Mara R. Yahner at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Potomac Valley HospitalKeyser, WV · Critical Access Hospital · CCN 511315
Practice locations
Addresses where Mara R. Yahner is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 Pin Oak LnKeyser, WV 26726 (304) 597‑3500
Group practices
Medicare enrollment lists Mara R. Yahner as a member of this group (CMS data updated 2026-10-02).
- Potomac Valley Hospital of W VA, Inc87 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Keyser
Clinicians with the same Medicare primary specialty in Keyser, WV — not a recommendation.
Clinician information
| Graduation year | 2025 |
|---|---|
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1811881014 |
| 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