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Family Practice

Amy L. Marker, DO

Works at hospitals in Bay City, MI · Mount Pleasant, MI · Midland, MI … · Michigan

Summary

Amy L. Marker, DO (Family Practice) is listed by Medicare at 4 hospitals in Bay City, MI, Mount Pleasant, MI and Midland, MI and other places. NPI 1104180827. 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 Amy L. Marker, 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
14Years since medical school (graduated 2012)
Michigan State University College Of Osteopathic MedicineMedical school
FemaleGender (as listed)
McLaren Hospital GroupGroup practice (+1 more)

Quick answers

Which hospitals does Amy L. Marker work at?
Medicare's official clinician data lists Amy L. Marker at 4 hospitals: McLaren Bay Region, McLaren Central Michigan, MyMichigan Medical Center Midland and MyMichigan Medical Center West Branch. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Amy L. Marker see patients?
Medicare's clinician data lists 3 practice locations, including Bay City, MI and Caro, MI. Call before your visit to confirm the address.
What is Amy L. Marker's specialty?
Medicare lists Family Practice as the primary specialty, and also Hospitalist.
Does Amy L. Marker accept Medicare assignment?
Yes. Medicare's clinician data says Amy L. Marker 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 Amy L. Marker?
(989) 894-3000, as listed in official Medicare / NPI Registry data.
What is Amy L. Marker's NPI number?
1104180827. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Amy L. Marker works

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

Group practices

Medicare enrollment lists Amy L. Marker as a member of these groups (CMS data updated 2026-10-02).

  • McLaren Hospital Group375 clinicians in the group
  • McLaren Bay Region113 clinicians in the group

Specialties

Find other Family Practice doctors in Michigan →

Other family doctors in Bay City

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

All family doctors in Bay City →

Clinician information

CredentialDO
Medical schoolMichigan State University College Of Osteopathic Medicine
Graduation year2012
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1104180827
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