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Optometry

Gregory M. Smith, OD

Works at hospitals in Harlem, MT · Montana

Summary

Gregory M. Smith, OD (Optometry) is listed by Medicare at 1 hospital in Harlem, MT. NPI 1396758017. 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 Gregory M. Smith, 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

OptometryPrimary specialty
YesAccepts Medicare assignment
20Years since medical school (graduated 2006)
Pennsylvania College Of OptometryMedical school
MaleGender (as listed)
US Health Dept of Health and Human ServicesGroup practice

Quick answers

Which hospitals does Gregory M. Smith work at?
Medicare's official clinician data lists Gregory M. Smith at 1 hospital: P H S Indian Hospital-Ft Belknap at Harlem - CAH. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Gregory M. Smith see patients?
Medicare's clinician data lists 1 practice location in Harlem, MT. Call before your visit to confirm the address.
What is Gregory M. Smith's specialty?
Medicare lists Optometry as the primary specialty.
Does Gregory M. Smith accept Medicare assignment?
Yes. Medicare's clinician data says Gregory M. Smith 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 Gregory M. Smith's NPI number?
1396758017. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Gregory M. Smith works

Medicare's Facility Affiliation Data lists Gregory M. Smith 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 Gregory M. Smith is enrolled with Medicare (CMS data updated 2026-10-02).

  • 669 Agency Main StHarlem, MT 59526

Group practices

Medicare enrollment lists Gregory M. Smith as a member of this group (CMS data updated 2026-10-02).

  • US Health Dept of Health and Human Services94 clinicians in the group

Specialties

Find other clinicians: Optometry, Montana →

Other optometrists in Montana

Clinicians with the same Medicare primary specialty in Montana — not a recommendation.

All optometrists in Montana →

Clinician information

CredentialOD
Medical schoolPennsylvania College Of Optometry
Graduation year2006
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1396758017
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