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Physician Assistant

Sarah Z. Wilhelm

Works at hospitals in Royal Oak, MI · Michigan

Summary

Sarah Z. Wilhelm is a physician assistant at 3555 W 13 Mile Rd, N120 Corewell Health William Beaumont Unive, Royal Oak, MI 48073. Phone: (248) 551-1550. Accepts Medicare assignment. NPI 1639371859. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Physician assistant
  • Address: 3555 W 13 Mile Rd, N120 Corewell Health William Beaumont Unive, Royal Oak, MI 48073 · Directions (6 more locations)
  • Phone: (248) 551‑1550
  • Medicare: Accepts Medicare assignment
  • Hospital: Beaumont Hospital Royal Oak
  • Group practice: Beaumont Medical Group Hospital Based Services
  • School: graduated 2007
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Sarah Z. Wilhelm, 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 Sarah Z. Wilhelm accept Medicare assignment?
Yes. Medicare's clinician data says Sarah Z. Wilhelm 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.
What is Sarah Z. Wilhelm's NPI number?
1639371859. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Sarah Z. Wilhelm works

Medicare's Facility Affiliation Data lists Sarah Z. Wilhelm 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.

  • Beaumont Hospital Royal OakRoyal Oak, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230130

Practice locations

Addresses where Sarah Z. Wilhelm is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.

  • 3555 W 13 Mile Rd, N120 Corewell Health William Beaumont UniveRoyal Oak, MI 48073 (248) 551‑1550
  • 3577 W 13 Mile RdRoyal Oak, MI 48073
  • 3581 W 13 Mile Rd Bcc, Beaumont Breast Care Center RoRoyal Oak, MI 48073 (248) 551‑3300
  • 3601 W 13 Mile RdRoyal Oak, MI 48073
  • 3601 W 13 Mile Rd Ec, Beaumont Emergency Services RoRoyal Oak, MI 48073 (248) 898‑0575

Group practices

Medicare enrollment lists Sarah Z. Wilhelm as a member of this group (CMS data updated October 2, 2026).

  • Beaumont Medical Group Hospital Based Services584 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Michigan →

Other physician assistants in Royal Oak

Clinicians with the same Medicare primary specialty in Royal Oak, MI — not a recommendation.

All physician assistants in Royal Oak →

Other clinicians in Beaumont Medical Group Hospital Based Services

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

Clinician information

Graduation year2007
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1639371859
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. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians