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Internal Medicine

Maryellen W. Rosel, DO

Works at hospitals in Shelby, MI · Grand Haven, MI · Muskegon, MI · Michigan

Summary

Maryellen W. Rosel, DO (Internal Medicine) is listed by Medicare at 3 hospitals in Shelby, MI, Grand Haven, MI and Muskegon, MI. NPI 1821044280. 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 Maryellen W. Rosel, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
23Years since medical school (graduated 2003)
Michigan State University College Of Osteopathic MedicineMedical school
FemaleGender (as listed)
Mercy Specialty ServicesGroup practice (+1 more)

Quick answers

Which hospitals does Maryellen W. Rosel work at?
Medicare's official clinician data lists Maryellen W. Rosel at 3 hospitals: Mercy Health Lakeshore Campus, Trinity Health Grand Haven Hospital and Trinity Health Muskegon Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Maryellen W. Rosel see patients?
Medicare's clinician data lists 2 practice locations, including Grand Haven, MI and Muskegon, MI. Call before your visit to confirm the address.
What is Maryellen W. Rosel's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Maryellen W. Rosel accept Medicare assignment?
Yes. Medicare's clinician data says Maryellen W. Rosel 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 Maryellen W. Rosel?
(616) 842-3600, as listed in official Medicare / NPI Registry data.
What is Maryellen W. Rosel's NPI number?
1821044280. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Maryellen W. Rosel works

Medicare's Facility Affiliation Data lists Maryellen W. Rosel 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 Maryellen W. Rosel is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Maryellen W. Rosel as a member of these groups (CMS data updated 2026-10-02).

  • Mercy Specialty Services90 clinicians in the group
  • Trinity Health Grand Haven Hospital11 clinicians in the group

Specialties

Find other Internal Medicine doctors in Michigan →

Other internal medicine doctors in Grand Haven

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

All internal medicine doctors in Grand Haven →

Clinician information

CredentialDO
Medical schoolMichigan State University College Of Osteopathic Medicine
Graduation year2003
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1821044280
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