Marcia Tonnesen, M.D.
NPI 1205883238ActiveIndividual· Dermatology· East Setauket, NY
Dermatology (M.D.) in East Setauket, New York, trained at University of Utah School of Medicine (class of 1973). Medicare paid $28,001 for services to 33 patients in 2024.
Overview
| NPI | 1205883238 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 27, 2006 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | 181378 | NY |
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 - Dermatology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 33 |
|---|---|
| Services billed | 331 across 9 procedure codes |
| Paid by Medicare | $28,001 |
Education and affiliations
| Medical school | University of Utah School of Medicine |
|---|---|
| Graduation year | 1973 |
| Medicare specialty | Dermatology |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Dermatology providers in East Setauket
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