Simon John Warren, MD
NPI 1407828684ActiveIndividual· Pathology, Dermatopathology· Ann Arbor, MI
Pathology, Dermatopathology (MD) with Regents of the University of Michigan, practicing in Ann Arbor, Michigan. Medicare paid $25,885 for services to 509 patients in 2024. Lists Mymichigan Medical Center Midland and 1 other hospital as hospital affiliations.
Overview
| NPI | 1407828684 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 2, 2006 |
| Last updated in NPPES | Oct 15, 2024 |
| Certified by provider | Oct 15, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pathology, Dermatopathology Primary | 207ZD0900X | 4301512285 | MI |
| Specialist | 174400000X | ME93737 | FL |
| Pathology, Anatomic Pathology & Clinical Pathology | 207ZP0102X | 01065084A | IN |
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 (IN); Practitioner - Pathology (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 509 |
|---|---|
| Services billed | 963 across 17 procedure codes |
| Paid by Medicare | $25,885 |
Education and affiliations
| Graduation year | 1993 |
|---|---|
| Medicare specialty | Pathology |
Medical group
- Regents of the University of MichiganAnn Arbor, MI · 3,346 clinicians
Hospital affiliations
- Mymichigan Medical Center MidlandMidland, 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, Dermatopathology providers in Ann Arbor
- 1710956123
- 1730260183