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Psychiatry

Brett L. Montieth, MD

Works at hospitals in Sioux Falls, SD · South Dakota

Summary

Dr. Brett L. Montieth, MD is a psychiatrist at PO Box, Sioux Falls, SD 57118. May accept Medicare assignment. NPI 1457972838. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

From official Medicare data

This page shows what Medicare's official clinician data says about Brett L. Montieth, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Brett L. Montieth accept Medicare assignment?
Medicare's clinician data says Brett L. Montieth may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
What is Brett L. Montieth's NPI number?
1457972838. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Brett L. Montieth works

Medicare's Facility Affiliation Data lists Brett L. Montieth at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Brett L. Montieth is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Psychiatry doctors in South Dakota →

Other psychiatrists in Sioux Falls

Clinicians with the same Medicare primary specialty in Sioux Falls, SD — not a recommendation.

All psychiatrists in Sioux Falls →

Clinician information

CredentialMD
Graduation year2020 (6 years since medical school)
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1457972838
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians