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Physician Assistant

Rebecca M. Zahniser, PA

Works at hospitals in Butler, PA · Pennsylvania

Summary

Rebecca M. Zahniser, PA is a physician assistant at 100 Innovation Dr, Suite 104, Slippery Rock, PA 16057. Phone: (866) 874-7483. Accepts Medicare assignment. In 2024, Rebecca M. Zahniser had 19 Original Medicare patients and 190 services. NPI 1952344574. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Rebecca M. Zahniser, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Rebecca M. Zahniser accept Medicare assignment?
Yes. Medicare's clinician data says Rebecca M. Zahniser accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Rebecca M. Zahniser see?
In 2024, CMS data shows 19 Original Medicare patients and 190 services for Rebecca M. Zahniser. This counts Original Medicare only and measures volume, not quality.
What is Rebecca M. Zahniser's NPI number?
1952344574. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Rebecca M. Zahniser, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients19
Services billed to Medicare190
Different services or procedures21
Participating Medicare providerYes
Average age of these patients72

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • Arthritis75%
  • High blood pressure74%

Hospitals where Rebecca M. Zahniser works

Medicare's Facility Affiliation Data lists Rebecca M. Zahniser at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Rebecca M. Zahniser is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Rebecca M. Zahniser as a member of this group (CMS data updated October 2, 2026).

  • UPMC Multispecialty Group Inc57 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Pennsylvania →

Other physician assistants in Slippery Rock

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

All physician assistants in Slippery Rock →

Other clinicians in UPMC Multispecialty Group Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialPA
Graduation year2010
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1952344574
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians