Joseph Mierzwa, D.O.
NPI 1396108510ActiveIndividual· Anesthesiology· Ypsilanti, MI
Anesthesiology (D.O.) in Ypsilanti, Michigan, trained at Michigan State University College of Osteopathic Medicine (class of 2016). Medicare paid $36,548 for services to 351 patients in 2024. Merck Sharp & Dohme LLC reported $32.03 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1396108510 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Apr 4, 2016 |
| Last updated in NPPES | Jul 2, 2021 |
| Certified by provider | Jul 2, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | 5101026063 | MI |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Anesthesiology (MI); Practitioner - Anesthesiology (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 351 |
|---|---|
| Services billed | 454 across 78 procedure codes |
| Paid by Medicare | $36,548 |
Education and affiliations
| Medical school | Michigan State University College of Osteopathic Medicine |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Anesthesiology |
Medical groups
- Anesthesia Associates of Ann Arbor PLLCPontaic, MI · 219 clinicians
- A4 of Ohio LLCMaumee, OH · 33 clinicians
Hospital affiliations
- Chelsea HospitalChelsea, MI
- Trinity Health Ann Arbor HospitalAnn Arbor, MI
Industry payments (Open Payments)
- 2025$32.03 · 2 payments from 1 company
- 2024$46.38 · 3 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $32.03 | 2 |
What the 2025 payments were for
- Food and Beverage$32.03 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 32 anesthesiologists in Ypsilanti · All anesthesiologists in Michigan