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Physician Assistant

Keri J. Peterson

Sees patients in Missoula, MT · Montana

Summary

Keri J. Peterson is a physician assistant at 1821 S Ave W, Suite 402, Missoula, MT 59801. Phone: (406) 543-8512. Accepts Medicare assignment. NPI 1639953243. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Physician assistant
  • Address: 1821 S Ave W, Suite 402, Missoula, MT 59801 · Directions
  • Phone: (406) 543‑8512
  • Medicare: Accepts Medicare assignment
  • Group practice: Forefront Dermatology SC
  • School: graduated 2025
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Keri J. Peterson, 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 Keri J. Peterson accept Medicare assignment?
Yes. Medicare's clinician data says Keri J. Peterson 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 Keri J. Peterson's NPI number?
1639953243. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Keri J. Peterson is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Keri J. Peterson as a member of this group (CMS data updated October 2, 2026).

  • Forefront Dermatology SC662 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Montana →

Other physician assistants in Missoula

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

All physician assistants in Missoula →

Other clinicians in Forefront Dermatology SC

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

Clinician information

Graduation year2025
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1639953243
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians