Aaron Grinstein, PA
NPI 1457762106ActiveIndividual· Physician Assistant· Easthampton, MA
Physician Assistant (PA) in Easthampton, Massachusetts, licensed in MA and HI, with an NPI issued in May 2014. Part D covered 149 prescriptions written in 2024, 89% of them generic.
Overview
| NPI | 1457762106 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | May 15, 2014 |
| Last updated in NPPES | Mar 10, 2025 |
| Certified by provider | Feb 25, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA4966 | MA |
| Physician Assistant | 363A00000X | AMD-875 | HI |
| Physician Assistant, Medical | 363AM0700X | PA4966 | MA |
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 (HI); Practitioner - Physician Assistant (MA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 149 · 373 30-day fills |
|---|---|
| Patients | 73 |
| Total drug cost | $18,558 |
| Generic share | 89% of claims |
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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