Jeffrey S. Warren, MD
NPI 1912089897ActiveIndividual· Pathology, Immunopathology· Ann Arbor, MI
Pathology, Immunopathology (MD) in Ann Arbor, Michigan, trained at Ohio State University College of Medicine (class of 1980). Medicare paid $30,192 for services to 947 patients in 2024.
Overview
| NPI | 1912089897 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 19, 2006 |
| Last updated in NPPES | May 7, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pathology, Immunopathology Primary | 207ZI0100X | 4301051563 | MI |
| Pathology, Anatomic Pathology & Clinical Pathology | 207ZP0102X | 4301051563 | 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 - Pathology (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 947 |
|---|---|
| Services billed | 2,287 across 6 procedure codes |
| Paid by Medicare | $30,192 |
Education and affiliations
| Medical school | Ohio State University College of Medicine |
|---|---|
| Graduation year | 1980 |
| Medicare specialty | Pathology |
Medical group
- Regents of the University of MichiganAnn Arbor, MI · 3,346 clinicians
Hospital affiliations
- Insight Hospital and Medical Center ColdwaterColdwater, MI
- University of Michigan Health SystemAnn Arbor, MI
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Pathology, Immunopathology providers in Ann Arbor
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