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Family Practice

Marie Elwood, MD

Works at hospitals in Hardin, MT · Billings, MT · Montana

Summary

Dr. Marie Elwood, MD is a family doctor at 1233 N Ctr Ave, Hardin, MT 59034. Phone: (406) 665-4103. Accepts Medicare assignment. NPI 1093444390. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 1233 N Ctr Ave, Hardin, MT 59034 · Directions
  • Phone: (406) 665‑4103
  • Medicare: Accepts Medicare assignment
  • Hospitals: Big Horn Hospital, Billings Clinic Hospital
  • Group practice: Bighorn Valley Health Center Incorporated
  • Medical school: University Of Washington School Of Medicine · graduated 2022 (4 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Marie Elwood, 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 Marie Elwood accept Medicare assignment?
Yes. Medicare's clinician data says Marie Elwood 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 Marie Elwood's NPI number?
1093444390. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Marie Elwood works

Medicare's Facility Affiliation Data lists Marie Elwood 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.

  • Big Horn HospitalHardin, MT · Critical Access Hospital · Emergency services: listed by Medicare · CCN 271338
  • Billings Clinic HospitalBillings, MT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 270004

Practice locations

Addresses where Marie Elwood is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Bighorn Valley Health Center Incorporated79 clinicians in the group

Specialties

Find other Family Practice doctors in Montana →

Other family doctors in Hardin

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

All family doctors in Hardin →

Other clinicians in Bighorn Valley Health Center Incorporated

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

Clinician information

CredentialMD
Medical schoolUniversity Of Washington School Of Medicine
Graduation year2022 (4 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1093444390
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