Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Pathology

David Smirnow, MD

Works at hospitals in Hamilton, MT · Missoula, MT · Ronan, MT · Montana

Summary

David Smirnow, MD (Pathology) is listed by Medicare at 4 hospitals in Hamilton, MT, Missoula, MT and Ronan, MT. NPI 1316961618. 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 David Smirnow, 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

PathologyPrimary specialty
YesAccepts Medicare assignment
21Years since medical school (graduated 2005)
University Of Washington School Of MedicineMedical school
MaleGender (as listed)
Billings Clinic Specialty Supplies and Services, LLCGroup practice

Quick answers

Which hospitals does David Smirnow work at?
Medicare's official clinician data lists David Smirnow at 4 hospitals: Bitterroot Health - Daly Hospital, Community Medical Center, St Luke Community Hospital and St. Patrick Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does David Smirnow see patients?
Medicare's clinician data lists 3 practice locations, including Billings, MT. Call before your visit to confirm the address.
What is David Smirnow's specialty?
Medicare lists Pathology as the primary specialty.
Does David Smirnow accept Medicare assignment?
Yes. Medicare's clinician data says David Smirnow 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 David Smirnow?
(406) 657-4000, as listed in official Medicare / NPI Registry data.
What is David Smirnow's NPI number?
1316961618. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where David Smirnow works

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

Group practices

Medicare enrollment lists David Smirnow 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 Pathology doctors in Montana →

Other pathologists in Billings

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

All pathologists in Billings →

Clinician information

CredentialMD
Medical schoolUniversity Of Washington School Of Medicine
Graduation year2005
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1316961618
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