Warren Pan, MD
NPI 1396361549ActiveIndividual· Ophthalmology· Ann Arbor, MI
Ophthalmology (MD) in Ann Arbor, Michigan, trained at University of Michigan Medical School (class of 2020). Their prescriptions cost Medicare Part D more than their services did: $153,514 for 818 claims, against $11,016 paid for services in 2024.
Overview
| NPI | 1396361549 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 24, 2020 |
| Last updated in NPPES | Jul 3, 2024 |
| Certified by provider | Jul 3, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 4301510958 | MI |
| Student in an Organized Health Care Education/Training Program | 390200000X | 4351045883 | 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 - Ophthalmology (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 78 |
|---|---|
| Services billed | 132 across 23 procedure codes |
| Paid by Medicare | $11,016 |
Part D prescriptions in 2024
| Prescriptions (claims) | 818 · 1,321 30-day fills |
|---|---|
| Patients | 298 |
| Total drug cost | $153,514 |
| Generic share | 63% of claims |
Education and affiliations
| Medical school | University of Michigan Medical School |
|---|---|
| Graduation year | 2020 |
| Medicare specialty | Ophthalmology |
Medical group
- Regents of the University of MichiganAnn Arbor, MI · 3,346 clinicians
Hospital affiliation
- 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
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All 126 ophthalmologists in Ann Arbor · All ophthalmologists in Michigan