Diana Leon, M.D.
NPI 1649538554ActiveIndividual· Obstetrics & Gynecology· Setauket, NY
Obstetrics & Gynecology (M.D.) in Setauket, New York, trained at Icahn School of Medicine at Mount Sinai (class of 2008). In 2024 Medicare paid $29,184 for 240 patients, and Part D covered 291 of their prescriptions, 89% of them generic. Evofem Biosciences, Inc. was the largest of 5 companies reporting payments in 2025, $132.27 in all, mostly food and beverage.
Overview
| NPI | 1649538554 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 27, 2012 |
| Last updated in NPPES | Dec 3, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 262109 | NY |
| Obstetrics & Gynecology, Obstetrics | 207VX0000X | 262109 | NY |
| Obstetrics & Gynecology, Gynecology | 207VG0400X | 262109 | 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 - Obstetrics/Gynecology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 240 |
|---|---|
| Services billed | 537 across 30 procedure codes |
| Paid by Medicare | $29,184 |
Part D prescriptions in 2024
| Prescriptions (claims) | 291 · 611 30-day fills |
|---|---|
| Patients | 94 |
| Total drug cost | $39,887 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Icahn School of Medicine at Mount Sinai |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- Square Care Medical Group LLPBabylon, NY · 71 clinicians
Hospital affiliations
- Good Samaritan Hospital Medical CenterWest Islip, NY
- John T Mather Memorial Hospital of Port JeffersonPort Jefferson, NY
- Long Island Community HospitalPatchogue, NY
- Suny/Stony Brook University HospitalStony Brook, NY
Industry payments (Open Payments)
- 2025$132.27 · 8 payments from 5 companies
- 2024$18.42 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Evofem Biosciences, Inc. | $37.40 | 3 |
| Astellas Pharma US Inc | $33.44 | 2 |
| Bayer Healthcare Pharmaceuticals Inc. | $22.11 | 1 |
| Mayne Pharma Commercial LLC | $21.43 | 1 |
| Millicent US Inc | $17.89 | 1 |
What the 2025 payments were for
- Food and Beverage$132.27 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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