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Vascular Surgery

Ashtin B. Wilhelmstoetter, MD

Works at hospitals in Clackamas, OR · Oregon

Summary

Dr. Ashtin B. Wilhelmstoetter, MD is a vascular surgeon at 10100 SE Sunnyside Rd, Clackamas, OR 97015. Phone: (800) 813-2000. Accepts Medicare assignment. NPI 1114422268. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Vascular surgeon (Medicare lists Vascular Surgery)
  • Address: 10100 SE Sunnyside Rd, Clackamas, OR 97015 · Directions (1 more location)
  • Phone: (800) 813‑2000
  • Medicare: Accepts Medicare assignment
  • Hospital: Kaiser Sunnyside Medical Center
  • Group practice: Kaiser Foundation Health Plan of the Northwest
  • Medical school: George Washington University School Of Medicine · graduated 2018 (8 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Ashtin B. Wilhelmstoetter, 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 Ashtin B. Wilhelmstoetter accept Medicare assignment?
Yes. Medicare's clinician data says Ashtin B. Wilhelmstoetter 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 Ashtin B. Wilhelmstoetter's NPI number?
1114422268. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Ashtin B. Wilhelmstoetter works

Medicare's Facility Affiliation Data lists Ashtin B. Wilhelmstoetter 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.

  • Kaiser Sunnyside Medical CenterClackamas, OR · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 380091

Practice locations

Addresses where Ashtin B. Wilhelmstoetter is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Ashtin B. Wilhelmstoetter as a member of this group (CMS data updated October 2, 2026).

  • Kaiser Foundation Health Plan of the Northwest1,807 clinicians in the group

Specialties

Find other Vascular Surgery doctors in Oregon →

Other vascular surgeons in Clackamas

Clinicians with the same Medicare primary specialty in Clackamas, OR — not a recommendation.

All vascular surgeons in Clackamas →

Other clinicians in Kaiser Foundation Health Plan of the Northwest

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

Clinician information

CredentialMD
Medical schoolGeorge Washington University School Of Medicine
Graduation year2018 (8 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1114422268
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