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Family Practice

Garrett Muhlstadt, DO

Works at hospitals in Watervliet, MI · St Joseph, MI · South Bend, IN · Michigan, Indiana

Summary

Dr. Garrett Muhlstadt, DO is a family doctor at 133 W Main St, Benton Harbor, MI 49022. Phone: (269) 408-2258. Accepts Medicare assignment. In 2024, Garrett Muhlstadt had 18 Original Medicare patients and 18 services. NPI 1609496686. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Garrett Muhlstadt, 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 Garrett Muhlstadt accept Medicare assignment?
Yes. Medicare's clinician data says Garrett Muhlstadt accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Garrett Muhlstadt see?
In 2024, CMS data shows 18 Original Medicare patients and 18 services for Garrett Muhlstadt. This counts Original Medicare only and measures volume, not quality.
What is Garrett Muhlstadt's NPI number?
1609496686. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Garrett Muhlstadt, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients18
Services billed to Medicare18
Different services or procedures2
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)17 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis72%

Hospitals where Garrett Muhlstadt works

Medicare's Facility Affiliation Data lists Garrett Muhlstadt 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 Garrett Muhlstadt is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Garrett Muhlstadt as a member of these groups (CMS data updated October 2, 2026).

  • Beacon Medical Group Inc589 clinicians in the group
  • Lakeland Medical Practices281 clinicians in the group
  • Lakeland Community Hospital Watervliet66 clinicians in the group

Specialties

Find other Family Practice doctors in Michigan →

Other family doctors in Benton Harbor

Clinicians with the same Medicare primary specialty in Benton Harbor, MI — not a recommendation.

All family doctors in Benton Harbor →

Other clinicians in Beacon Medical Group Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialDO
Medical schoolMarian University College Of Osteopathic Medicine
Graduation year2020 (6 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1609496686
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. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians