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Family Practice

Robert J. Lotstein, MD

Works at hospitals in Lewistown, MT · Miles City, MT · Montana

Summary

Robert J. Lotstein, MD (Family Practice) is listed by Medicare at 2 hospitals in Lewistown, MT and Miles City, MT. NPI 1851337554. 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 Robert J. Lotstein, 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

Family PracticePrimary specialty
YesAccepts Medicare assignment
33Years since medical school (graduated 1993)
Sanford School Of Medicine Of University Of South DakotaMedical school
MaleGender (as listed)
Holy Rosary HealthcareGroup practice

Quick answers

Which hospitals does Robert J. Lotstein work at?
Medicare's official clinician data lists Robert J. Lotstein at 2 hospitals: Central Montana Medical Center and Holy Rosary Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Robert J. Lotstein see patients?
Medicare's clinician data lists 1 practice location in Miles City, MT. Call before your visit to confirm the address.
What is Robert J. Lotstein's specialty?
Medicare lists Family Practice as the primary specialty.
Does Robert J. Lotstein accept Medicare assignment?
Yes. Medicare's clinician data says Robert J. Lotstein 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 Robert J. Lotstein?
(406) 233-2600, as listed in official Medicare / NPI Registry data.
What is Robert J. Lotstein's NPI number?
1851337554. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Robert J. Lotstein works

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

Group practices

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

  • Holy Rosary Healthcare49 clinicians in the group

Specialties

Find other Family Practice doctors in Montana →

Other family doctors in Miles City

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

All family doctors in Miles City →

Clinician information

CredentialMD
Medical schoolSanford School Of Medicine Of University Of South Dakota
Graduation year1993
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1851337554
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