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Family Practice

Glenn E. Merz, MD

Works at hospitals in Muskegon, MI · Wyoming, MI · Michigan

Summary

Glenn E. Merz, MD (Family Practice) is listed by Medicare at 2 hospitals in Muskegon, MI and Wyoming, MI. NPI 1003819400. 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 Glenn E. Merz, 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

Family PracticePrimary specialty
YesAccepts Medicare assignment
37Years since medical school (graduated 1989)
Michigan State University College Of Human MedicineMedical school
MaleGender (as listed)
Metropolitan HospitalGroup practice (+2 more)

Quick answers

Which hospitals does Glenn E. Merz work at?
Medicare's official clinician data lists Glenn E. Merz at 2 hospitals: Trinity Health Muskegon Hospital and University of Michigan Health - West. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Glenn E. Merz see patients?
Medicare's clinician data lists 3 practice locations, including Allendale, MI and Grand Rapids, MI. Call before your visit to confirm the address.
What is Glenn E. Merz's specialty?
Medicare lists Family Practice as the primary specialty.
Does Glenn E. Merz accept Medicare assignment?
Yes. Medicare's clinician data says Glenn E. Merz 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 Glenn E. Merz?
(616) 252-3900, as listed in official Medicare / NPI Registry data.
What is Glenn E. Merz's NPI number?
1003819400. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Glenn E. Merz works

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

Group practices

Medicare enrollment lists Glenn E. Merz as a member of these groups (CMS data updated 2026-10-02).

  • Metropolitan Hospital415 clinicians in the group
  • Center for Physical Rehabilitation and Therapy LP369 clinicians in the group
  • Center for Physical Rehabilitation Inc357 clinicians in the group

Specialties

Find other Family Practice doctors in Michigan →

Other family doctors in Allendale

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

All family doctors in Allendale →

Clinician information

CredentialMD
Medical schoolMichigan State University College Of Human Medicine
Graduation year1989
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1003819400
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