Mary E. Dahl, MD
NPI 1255414991ActiveIndividual· Dermatology· Monterey, CA
Dermatology (MD) in Monterey, California, trained at Loyola University of Chicago, Stritch School of Medicine (class of 1992). 1,371 Medicare patients in 2024, $492,111 paid; nearly all of their 849 Part D prescriptions were generic (98%).
Overview
| NPI | 1255414991 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Oct 24, 2006 |
| Last updated in NPPES | Nov 10, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | G86138 | CA |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,371 |
|---|---|
| Services billed | 10,463 across 31 procedure codes |
| Paid by Medicare | $492,111 |
Part D prescriptions in 2024
| Prescriptions (claims) | 849 · 1,119 30-day fills |
|---|---|
| Patients | 402 |
| Total drug cost | $34,138 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | Loyola University of Chicago, Stritch School of Medicine |
|---|---|
| Graduation year | 1992 |
| 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
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All 25 dermatologists in Monterey · All dermatologists in California