Zachary J. Kerwin, DO
NPI 1386619229ActiveIndividual· Anesthesiology· Kalamazoo, MI
Anesthesiology (DO) in Kalamazoo, Michigan, trained at Michigan State University College of Osteopathic Medicine (class of 1999). Medicare paid $13,733 for services to 164 patients in 2024. Zimmer Biomet Holdings, Inc. reported $36.16 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1386619229 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Feb 22, 2006 |
| Last updated in NPPES | Jul 9, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | 5101014147 | MI |
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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 164 |
|---|---|
| Services billed | 176 across 49 procedure codes |
| Paid by Medicare | $13,733 |
Education and affiliations
| Medical school | Michigan State University College of Osteopathic Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Anesthesiology |
Medical group
- Kalamazoo Anesthesiology P CKalamazoo, MI · 135 clinicians
Hospital affiliations
- Borgess Medical CenterKalamazoo, MI
- Bronson Lakeview HospitalPaw Paw, MI
- Bronson Methodist HospitalKalamazoo, MI
Industry payments (Open Payments)
- 2025$36.16 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zimmer Biomet Holdings, Inc. | $36.16 | 1 |
What the 2025 payments were for
- Food and Beverage$36.16 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 61 anesthesiologists in Kalamazoo · All anesthesiologists in Michigan