Diane Marchiafava, PA
NPI 1144368549ActiveIndividual· Physician Assistant, Surgical· Bay Shore, NY
Physician Assistant, Surgical (PA) with North Shore-Lij Medical PC, practicing in Bay Shore, New York. Their prescriptions cost Medicare Part D more than their services did: $1,364 for 119 claims, against $727.36 paid for services in 2024. Solventum Corporation reported $404.35 in payments in 2025, mostly food and beverage. Lists Ns/Lij Hs Southside Hospital as a hospital affiliation.
Overview
| NPI | 1144368549 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Feb 1, 2007 |
| Last updated in NPPES | Jul 3, 2024 |
| Certified by provider | Jun 18, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Surgical Primary | 363AS0400X | 006580-1 | 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 | 11 |
|---|---|
| Services billed | 11 across 4 procedure codes |
| Paid by Medicare | $727.36 |
Part D prescriptions in 2024
| Prescriptions (claims) | 119 · 119 30-day fills |
|---|---|
| Patients | 74 |
| Total drug cost | $1,364 |
| Generic share | 98% of claims |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- North Shore-Lij Medical PCStaten Island, NY · 6,440 clinicians
Hospital affiliation
- Ns/Lij Hs Southside HospitalBay Shore, NY
Industry payments (Open Payments)
- 2025$404.35 · 2 payments from 1 company
- 2024$116.89 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Solventum Corporation | $404.35 | 2 |
What the 2025 payments were for
- Food and Beverage$404.35 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 29 surgical physician assistants in Bay Shore · All surgical physician assistants in New York