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Obstetrics/Gynecology

Claire Magnuson, MD

Works at hospitals in Billings, MT · Montana

Summary

Dr. Claire Magnuson, MD is an OB-GYN at 3905 Wellness Way, Bozeman, MT 59718. Phone: (406) 898-1200. Accepts Medicare assignment. NPI 1699354282. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: 3905 Wellness Way, Bozeman, MT 59718 · Directions
  • Phone: (406) 898‑1200
  • Medicare: Accepts Medicare assignment
  • Hospital: Billings Clinic Hospital
  • Group practice: Billings Clinic Specialty Supplies and Services, LLC
  • Medical school: graduated 2021 (5 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Claire Magnuson, 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 Claire Magnuson accept Medicare assignment?
Yes. Medicare's clinician data says Claire Magnuson 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 Claire Magnuson's NPI number?
1699354282. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Claire Magnuson works

Medicare's Facility Affiliation Data lists Claire Magnuson 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 Claire Magnuson is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Claire Magnuson as a member of this group (CMS data updated October 2, 2026).

  • Billings Clinic Specialty Supplies and Services, LLC824 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Montana →

Other OB-GYNs in Bozeman

Clinicians with the same Medicare primary specialty in Bozeman, MT — not a recommendation.

All OB-GYNs in Bozeman →

Other clinicians in Billings Clinic Specialty Supplies and Services, LLC

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

Clinician information

CredentialMD
Graduation year2021 (5 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1699354282
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