Jillian Anne O'Brien, PA
NPI 1558626614ActiveIndividual· Physician Assistant· Stony Brook, NY
Physician Assistant (PA) with Stony Brook Orthopaedic Associates, University Faculty Practice Corpor, practicing in Stony Brook, New York. Mostly services rather than prescriptions: Medicare paid $2,689 for 15 patients in 2024, with only 34 Part D claims. Ferring Pharmaceuticals Inc. reported $93.84 in payments in 2025, mostly food and beverage. Lists Suny/Stony Brook University Hospital as a hospital affiliation.
Overview
| NPI | 1558626614 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | Yes |
| NPI issued | Jul 5, 2012 |
| Last updated in NPPES | Nov 30, 2023 |
| Certified by provider | Nov 30, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 015675 | NY |
| Physician Assistant, Surgical | 363AS0400X | 015675 | NY |
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 - Physician Assistant (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 15 |
|---|---|
| Services billed | 18 across 4 procedure codes |
| Paid by Medicare | $2,689 |
Part D prescriptions in 2024
| Prescriptions (claims) | 34 · 34 30-day fills |
|---|---|
| Patients | 21 |
| Total drug cost | $152.48 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Stony Brook Orthopaedic Associates, University Faculty Practice CorporEast Setauket, NY · 49 clinicians
Hospital affiliation
- Suny/Stony Brook University HospitalStony Brook, NY
Industry payments (Open Payments)
- 2025$93.84 · 3 payments from 1 company
- 2024$148.16 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ferring Pharmaceuticals Inc. | $93.84 | 3 |
What the 2025 payments were for
- Food and Beverage$93.84 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 130 physician assistants in Stony Brook · All physician assistants in New York