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Physician Assistant

Katie J. Stemmerich, PA

Works at hospitals in Grove City, PA · Butler, PA · Pennsylvania

Summary

Katie J. Stemmerich, PA (Physician Assistant) is listed by Medicare at 2 hospitals in Grove City, PA and Butler, PA. NPI 1538500319. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Katie J. Stemmerich, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Physician AssistantPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
13Years since medical school (graduated 2013)
FemaleGender (as listed)
Allegheny ClinicGroup practice

Quick answers

Which hospitals does Katie J. Stemmerich work at?
Medicare's official clinician data lists Katie J. Stemmerich at 2 hospitals: Grove City Medical Center and Independence Health System Butler Memorial Hospita…. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Katie J. Stemmerich see patients?
Medicare's clinician data lists 3 practice locations, including Pittsburgh, PA and Grove City, PA. Call before your visit to confirm the address.
What is Katie J. Stemmerich's specialty?
Medicare lists Physician Assistant as the primary specialty.
Does Katie J. Stemmerich accept Medicare assignment?
Yes. Medicare's clinician data says Katie J. Stemmerich 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.
Does Katie J. Stemmerich offer telehealth?
Medicare's clinician data says Katie J. Stemmerich offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Katie J. Stemmerich?
(412) 359-3751, as listed in official Medicare / NPI Registry data.
What is Katie J. Stemmerich's NPI number?
1538500319. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Katie J. Stemmerich works

Medicare's Facility Affiliation Data lists Katie J. Stemmerich at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Katie J. Stemmerich is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Katie J. Stemmerich as a member of this group (CMS data updated 2026-10-02).

  • Allegheny Clinic2,389 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Pennsylvania →

Other physician assistants in Pittsburgh

Clinicians with the same Medicare primary specialty in Pittsburgh, PA — not a recommendation.

All physician assistants in Pittsburgh →

Clinician information

CredentialPA
Graduation year2013
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1538500319
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians