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Anesthesiology

Joseph Mierzwa, DO

Works at hospitals in Chelsea, MI · Ann Arbor, MI · Michigan

Summary

Joseph Mierzwa, DO (Anesthesiology) is listed by Medicare at 2 hospitals in Chelsea, MI and Ann Arbor, MI. NPI 1396108510. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Joseph Mierzwa, 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

AnesthesiologyPrimary specialty
May acceptAccepts Medicare assignment
10Years since medical school (graduated 2016)
Michigan State University College Of Osteopathic MedicineMedical school
MaleGender (as listed)
Anesthesia Associates of Ann Arbor PLLCGroup practice (+1 more)

Quick answers

Which hospitals does Joseph Mierzwa work at?
Medicare's official clinician data lists Joseph Mierzwa at 2 hospitals: Chelsea Hospital and Trinity Health Ann Arbor Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Joseph Mierzwa see patients?
Medicare's clinician data lists 2 practice locations, including Ypsilanti, MI and Maumee, OH. Call before your visit to confirm the address.
What is Joseph Mierzwa's specialty?
Medicare lists Anesthesiology as the primary specialty.
Does Joseph Mierzwa accept Medicare assignment?
Medicare's clinician data says Joseph Mierzwa may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is the phone number for Joseph Mierzwa?
(734) 712-3456, as listed in official Medicare / NPI Registry data.
What is Joseph Mierzwa's NPI number?
1396108510. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Joseph Mierzwa works

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

Group practices

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

  • Anesthesia Associates of Ann Arbor PLLC219 clinicians in the group
  • A4 of Ohio LLC33 clinicians in the group

Specialties

Find other Anesthesiology doctors in Michigan →

Other anesthesiologists in Ypsilanti

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

All anesthesiologists in Ypsilanti →

Clinician information

CredentialDO
Medical schoolMichigan State University College Of Osteopathic Medicine
Graduation year2016
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1396108510
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