Mark W. Johnson, MD
NPI 1083622773ActiveIndividual· Ophthalmology· Ann Arbor, MI
Ophthalmology (MD) in Ann Arbor, Michigan, trained at University of Utah School of Medicine (class of 1984). In 2024 Medicare paid $41,349 for 234 patients, and Part D covered 77 of their prescriptions, 57% of them generic.
Overview
| NPI | 1083622773 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 4, 2006 |
| Last updated in NPPES | Jan 19, 2021 |
| Certified by provider | Jan 19, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 4301406537 | 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 | 234 |
|---|---|
| Services billed | 747 across 21 procedure codes |
| Paid by Medicare | $41,349 |
Part D prescriptions in 2024
| Prescriptions (claims) | 77 · 163 30-day fills |
|---|---|
| Patients | 28 |
| Total drug cost | $5,856 |
| Generic share | 57% of claims |
Education and affiliations
| Medical school | University of Utah School of Medicine |
|---|---|
| Graduation year | 1984 |
| 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