Patricia O'Sullivan, M.D.
NPI 1891718508ActiveIndividual· Obstetrics & Gynecology, Obstetrics· Oakdale, NY
Obstetrics & Gynecology, Obstetrics (M.D.) in Oakdale, New York, trained at State University of New York at Stony Brook, School of Medicine (class of 1994). In 2024 Medicare paid $55,595 for 304 patients, and Part D covered 542 of their prescriptions, 87% of them generic. Amgen Inc. was the largest of 2 companies reporting payments in 2025, $212.58 in all, mostly food and beverage.
Overview
| NPI | 1891718508 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 25, 2006 |
| Last updated in NPPES | Sep 11, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology, Obstetrics Primary | 207VX0000X | 208280 | NY |
| Obstetrics & Gynecology | 207V00000X | 208280 | NY |
| Obstetrics & Gynecology, Gynecology | 207VG0400X | 208280 | 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 | 304 |
|---|---|
| Services billed | 633 across 19 procedure codes |
| Paid by Medicare | $55,595 |
Part D prescriptions in 2024
| Prescriptions (claims) | 542 · 890 30-day fills |
|---|---|
| Patients | 204 |
| Total drug cost | $46,291 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | State University of New York at Stony Brook, School of Medicine |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Obstetrics/Gynecology |
| Telehealth | Offers telehealth |
Medical group
- North Shore-Lij Medical PCStaten Island, NY · 6,440 clinicians
Hospital affiliations
- Good Samaritan Hospital Medical CenterWest Islip, NY
- Long Island Community HospitalPatchogue, NY
- North Shore University HospitalManhasset, NY
- Ns/Lij Hs Southside HospitalBay Shore, NY
- Suny/Stony Brook University HospitalStony Brook, NY
Industry payments (Open Payments)
- 2025$212.58 · 2 payments from 2 companies
- 2024$53.71 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $107.57 | 1 |
| Mayne Pharma Commercial LLC | $105.01 | 1 |
What the 2025 payments were for
- Food and Beverage$212.58 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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