Timothy M. Johnson, MD
NPI 1255428025ActiveIndividual· Dermatology, MOHS-Micrographic Surgery· Ann Arbor, MI
Dermatology, MOHS-Micrographic Surgery (MD) in Ann Arbor, Michigan, licensed in MI, with an NPI issued in October 2006. 97 Medicare patients in 2024, $92,555 paid; all of their 197 Part D prescriptions were generic.
Overview
| NPI | 1255428025 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 5, 2006 |
| Last updated in NPPES | Oct 12, 2020 |
| Certified by provider | Oct 12, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology, MOHS-Micrographic Surgery Primary | 207ND0101X | 4301053410 | MI |
| Dermatology | 207N00000X | 4301053410 | MI |
| Dermatology, Procedural Dermatology | 207NS0135X | 4301053410 | 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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 97 |
|---|---|
| Services billed | 260 across 31 procedure codes |
| Paid by Medicare | $92,555 |
Part D prescriptions in 2024
| Prescriptions (claims) | 197 · 197 30-day fills |
|---|---|
| Patients | 149 |
| Total drug cost | $1,486 |
| Generic share | 100% of claims |
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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