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Internal Medicine

Steven J. Gerstner, MD

Works at hospitals in Billings, MT · Sheridan, WY · Montana, Wyoming

Summary

Steven J. Gerstner, MD (Internal Medicine) is listed by Medicare at 3 hospitals in Billings, MT and Sheridan, WY. NPI 1124130695. 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 Steven J. Gerstner, 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
YesOffers telehealth
40Years since medical school (graduated 1986)
University Of California, Geffen School Of MedicineMedical school
MaleGender (as listed)
Billings Clinic Specialty Supplies and Services, LLCGroup practice

Quick answers

Which hospitals does Steven J. Gerstner work at?
Medicare's official clinician data lists Steven J. Gerstner at 3 hospitals: Billings Clinic Hospital, Intermountain Health St Vincent Regional Hospital and Sheridan Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Steven J. Gerstner see patients?
Medicare's clinician data lists 1 practice location in Billings, MT. Call before your visit to confirm the address.
What is Steven J. Gerstner's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Steven J. Gerstner accept Medicare assignment?
Yes. Medicare's clinician data says Steven J. Gerstner 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.
Does Steven J. Gerstner offer telehealth?
Medicare's clinician data says Steven J. Gerstner offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Steven J. Gerstner?
(406) 238-2500, as listed in official Medicare / NPI Registry data.
What is Steven J. Gerstner's NPI number?
1124130695. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Steven J. Gerstner works

Medicare's Facility Affiliation Data lists Steven J. Gerstner 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 Steven J. Gerstner is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Steven J. Gerstner as a member of this group (CMS data updated 2026-10-02).

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

Specialties

Find other Internal Medicine doctors in Montana →

Other internal medicine doctors in Billings

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

All internal medicine doctors in Billings →

Clinician information

CredentialMD
Medical schoolUniversity Of California, Geffen School Of Medicine
Graduation year1986
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1124130695
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