John Grassi, PA
NPI 1457471450ActiveIndividual· Emergency Medicine· Manhasset, NY
Emergency Medicine (PA) with Optum Urgent Care PLLC, practicing in Manhasset, New York. In 2024 Medicare paid $31,964 for 347 patients, and Part D covered 301 of their prescriptions, 89% of them generic.
Overview
| NPI | 1457471450 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | Yes |
| NPI issued | Mar 31, 2007 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 006579 | 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 | 347 |
|---|---|
| Services billed | 647 across 18 procedure codes |
| Paid by Medicare | $31,964 |
Part D prescriptions in 2024
| Prescriptions (claims) | 301 · 301 30-day fills |
|---|---|
| Patients | 241 |
| Total drug cost | $5,162 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Optum Urgent Care PLLCWest Islip, NY · 68 clinicians
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 133 emergency medicine physicians in Manhasset · All emergency medicine physicians in New York