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

Anesthesiology

E Wayne Larsen, MD

Works at hospitals in Great Falls, MT · Montana

Summary

E Wayne Larsen, MD (Anesthesiology) is listed by Medicare at 1 hospital in Great Falls, MT. NPI 1164450821. 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 E Wayne Larsen, 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

AnesthesiologyPrimary specialty
YesAccepts Medicare assignment
38Years since medical school (graduated 1988)
Medical College Of WisconsinMedical school
MaleGender (as listed)
Western Anesthesia Associates LLCGroup practice

Quick answers

Which hospitals does E Wayne Larsen work at?
Medicare's official clinician data lists E Wayne Larsen at 1 hospital: Benefis Hospitals Inc. This is where the clinician works or has privileges; call the hospital to confirm.
Where does E Wayne Larsen see patients?
Medicare's clinician data lists 1 practice location in Bountiful, UT. Call before your visit to confirm the address.
What is E Wayne Larsen's specialty?
Medicare lists Anesthesiology as the primary specialty.
Does E Wayne Larsen accept Medicare assignment?
Yes. Medicare's clinician data says E Wayne Larsen 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 E Wayne Larsen?
(801) 299-2160, as listed in official Medicare / NPI Registry data.
What is E Wayne Larsen's NPI number?
1164450821. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where E Wayne Larsen works

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

Group practices

Medicare enrollment lists E Wayne Larsen as a member of this group (CMS data updated 2026-10-02).

  • Western Anesthesia Associates LLC17 clinicians in the group

Specialties

Find other Anesthesiology doctors in Utah →

Other anesthesiologists in Bountiful

Clinicians with the same Medicare primary specialty in Bountiful, UT — not a recommendation.

All anesthesiologists in Bountiful →

Clinician information

CredentialMD
Medical schoolMedical College Of Wisconsin
Graduation year1988
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1164450821
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