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Internal Medicine

Keri Crewson, MD

Works at hospitals in Great Falls, MT · Sioux City, IA · Montana, Iowa

Summary

Keri Crewson, MD (Internal Medicine) is listed by Medicare at 2 hospitals in Great Falls, MT and Sioux City, IA. NPI 1003269234. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Keri Crewson, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
12Years since medical school (graduated 2014)
FemaleGender (as listed)
Iowa Physicians Clinic Medical FoundationGroup practice (+1 more)

Quick answers

Which hospitals does Keri Crewson work at?
Medicare's official clinician data lists Keri Crewson at 2 hospitals: Benefis Hospitals Inc and St Lukes Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Keri Crewson see patients?
Medicare's clinician data lists 3 practice locations, including Great Falls, MT and Sioux City, IA. Call before your visit to confirm the address.
What is Keri Crewson's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Keri Crewson accept Medicare assignment?
Yes. Medicare's clinician data says Keri Crewson accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Keri Crewson?
(406) 455-5000, as listed in official Medicare / NPI Registry data.
What is Keri Crewson's NPI number?
1003269234. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Keri Crewson works

Medicare's Facility Affiliation Data lists Keri Crewson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Keri Crewson is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Keri Crewson as a member of these groups (CMS data updated 2026-10-02).

  • Iowa Physicians Clinic Medical Foundation1,246 clinicians in the group
  • Benefis Hospitals Inc384 clinicians in the group

Specialties

Find other Internal Medicine doctors in Montana →

Other internal medicine doctors in Great Falls

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

All internal medicine doctors in Great Falls →

Clinician information

CredentialMD
Graduation year2014
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1003269234
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians