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Gastroenterology

Steven Zierer, MD

Works at hospitals in Kalispell, MT · Montana

Summary

Steven Zierer, MD (Gastroenterology) is listed by Medicare at 1 hospital in Kalispell, MT. NPI 1366437337. 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 Zierer, 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

GastroenterologyPrimary specialty
YesAccepts Medicare assignment
37Years since medical school (graduated 1989)
Indiana University School Of MedicineMedical school
MaleGender (as listed)
Kalispell Regional Medical Center IncGroup practice

Quick answers

Which hospitals does Steven Zierer work at?
Medicare's official clinician data lists Steven Zierer at 1 hospital: Logan Health Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Steven Zierer see patients?
Medicare's clinician data lists 1 practice location in Kalispell, MT. Call before your visit to confirm the address.
What is Steven Zierer's specialty?
Medicare lists Gastroenterology as the primary specialty.
Does Steven Zierer accept Medicare assignment?
Yes. Medicare's clinician data says Steven Zierer 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 Steven Zierer?
(406) 756-3526, as listed in official Medicare / NPI Registry data.
What is Steven Zierer's NPI number?
1366437337. 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 Zierer works

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

Group practices

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

  • Kalispell Regional Medical Center Inc421 clinicians in the group

Specialties

Find other Gastroenterology doctors in Montana →

Other gastroenterologists in Kalispell

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

All gastroenterologists in Kalispell →

Clinician information

CredentialMD
Medical schoolIndiana University School Of Medicine
Graduation year1989
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1366437337
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