David Joel Leffell, MD
NPI 1518940410ActiveIndividual· Dermatology· New Haven, CT
Dermatology (MD) in New Haven, Connecticut, licensed in CT, with an NPI issued in November 2005. 352 Medicare patients in 2024, $344,186 paid; nearly all of their 196 Part D prescriptions were generic (97%).
Overview
| NPI | 1518940410 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 23, 2005 |
| Last updated in NPPES | Feb 13, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | 025346 | CT |
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 (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 352 |
|---|---|
| Services billed | 1,677 across 79 procedure codes |
| Paid by Medicare | $344,186 |
Part D prescriptions in 2024
| Prescriptions (claims) | 196 · 200 30-day fills |
|---|---|
| Patients | 136 |
| Total drug cost | $50,237 |
| Generic share | 97% 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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