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Emergency Medicine

Michael Mattin, MD

Works at hospitals in Charlevoix, MI · Fremont, OH · Toledo, OH · Michigan, Ohio

Summary

Michael Mattin, MD (Emergency Medicine) is listed by Medicare at 3 hospitals in Charlevoix, MI, Fremont, OH and Toledo, OH. NPI 1770546780. 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 Michael Mattin, 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

Emergency MedicinePrimary specialty
YesAccepts Medicare assignment
28Years since medical school (graduated 1998)
Medical College Of OhioMedical school
MaleGender (as listed)
Emergency Physicians of Northwest Ohio IncGroup practice (+3 more)

Quick answers

Which hospitals does Michael Mattin work at?
Medicare's official clinician data lists Michael Mattin at 3 hospitals: Charlevoix Area Hospital, Memorial Hospital and ProMedica Toledo Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Michael Mattin see patients?
Medicare's clinician data lists 4 practice locations, including Charlevoix, MI, Saint Marys, OH and Toledo, OH. Call before your visit to confirm the address.
What is Michael Mattin's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Michael Mattin accept Medicare assignment?
Yes. Medicare's clinician data says Michael Mattin 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 Michael Mattin?
(231) 547-4024, as listed in official Medicare / NPI Registry data.
What is Michael Mattin's NPI number?
1770546780. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Michael Mattin works

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

Group practices

Medicare enrollment lists Michael Mattin as a member of these groups (CMS data updated 2026-10-02).

  • Emergency Physicians of Northwest Ohio Inc101 clinicians in the group
  • Hawk Emergency Group, P.C.59 clinicians in the group
  • Joint Township District Memorial Hospital39 clinicians in the group
  • Observation Physicians of Northwest Ohio LLC38 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Michigan →

Other emergency medicine doctors in Charlevoix

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

All emergency medicine doctors in Charlevoix →

Clinician information

CredentialMD
Medical schoolMedical College Of Ohio
Graduation year1998
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1770546780
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