Jillian Nicole Marsilio, PA-C
NPI 1598229742ActiveIndividual· Physician Assistant· Ronkonkoma, NY
Physician Assistant (PA-C) with Preferred Professional Medical Care PC, practicing in Ronkonkoma, New York. In 2024 Medicare paid $256,613 for 262 patients, and Part D covered 1,267 of their prescriptions, 85% of them generic. Otsuka America Pharmaceutical, Inc. reported $250.00 in payments in 2025, mostly food and beverage. Lists St Catherine of Siena Hospital as a hospital affiliation.
Overview
| NPI | 1598229742 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | Yes |
| NPI issued | Jan 22, 2019 |
| Last updated in NPPES | Jun 24, 2021 |
| Certified by provider | Jun 24, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | — | — |
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 | 262 |
|---|---|
| Services billed | 4,397 across 4 procedure codes |
| Paid by Medicare | $256,613 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,267 · 1,292 30-day fills |
|---|---|
| Patients | 166 |
| Total drug cost | $86,291 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Preferred Professional Medical Care PCRonkonkoma, NY · 14 clinicians
Hospital affiliation
- St Catherine of Siena HospitalSmithtown, NY
Industry payments (Open Payments)
- 2025$250.00 · 2 payments from 1 company
- 2024$209.17 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Otsuka America Pharmaceutical, Inc. | $250.00 | 2 |
What the 2025 payments were for
- Food and Beverage$250.00 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 15 physician assistants in Ronkonkoma · All physician assistants in New York