Mary Derrane, MD
NPI 1366637084ActiveIndividual· Emergency Medicine· New Milford, CT
Emergency Medicine (MD) in New Milford, Connecticut, licensed in CT and NY, with an NPI issued in September 2007. 132 Medicare patients in 2024, $16,924 paid; nearly all of their 89 Part D prescriptions were generic (93%).
Overview
| NPI | 1366637084 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Sep 6, 2007 |
| Last updated in NPPES | Aug 8, 2025 |
| Certified by provider | Aug 8, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 045768 | CT |
| Emergency Medicine | 207P00000X | 243200 | NY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Emergency Medicine (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 132 |
|---|---|
| Services billed | 152 across 9 procedure codes |
| Paid by Medicare | $16,924 |
Part D prescriptions in 2024
| Prescriptions (claims) | 89 · 89 30-day fills |
|---|---|
| Patients | 71 |
| Total drug cost | $749.49 |
| Generic share | 93% 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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