Quick answers
- Which hospitals does Ruth Ann A. Guilinger work at?
- Medicare's official clinician data lists Ruth Ann A. Guilinger at 3 hospitals: Allegheny General Hospital, Grove City Medical Center and West Penn Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ruth Ann A. Guilinger see patients?
- Medicare's clinician data lists 1 practice location in Grove City, PA. Call before your visit to confirm the address.
- What is Ruth Ann A. Guilinger's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Ruth Ann A. Guilinger accept Medicare assignment?
- Yes. Medicare's clinician data says Ruth Ann A. Guilinger 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 Ruth Ann A. Guilinger?
- (724) 450-7246, as listed in official Medicare / NPI Registry data.
- What is Ruth Ann A. Guilinger's NPI number?
- 1043365893. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ruth Ann A. Guilinger works
Medicare's Facility Affiliation Data lists Ruth Ann A. Guilinger at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Allegheny General HospitalPittsburgh, PA · Acute Care Hospital · CCN 390050
- Grove City Medical CenterGrove City, PA · Acute Care Hospital · CCN 390266
- West Penn HospitalPittsburgh, PA · Acute Care Hospital · CCN 390090
Practice locations
Addresses where Ruth Ann A. Guilinger is enrolled with Medicare (CMS data updated 2026-10-02).
- 631 N Broad St Ext, Allegheny Hospital Medicine SpecialGrove City, PA 16127 (724) 450‑7246
Group practices
Medicare enrollment lists Ruth Ann A. Guilinger as a member of this group (CMS data updated 2026-10-02).
- Allegheny Clinic2,389 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Pennsylvania
Clinicians with the same Medicare primary specialty in Pennsylvania — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Pennsylvania State University College Of Medicine |
| Graduation year | 1989 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1043365893 |
| 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