Joseph Mathis Quackenbush
NPI 1821629510ActiveIndividual· Physician Assistant· Batavia, NY
Physician Assistant in Batavia, New York, licensed in NY, with an NPI issued in January 2020. Their prescriptions cost Medicare Part D more than their services did: $46,341 for 491 claims, against $1,700 paid for services in 2024. Acadia Pharmaceuticals Inc reported $189.21 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1821629510 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Jan 31, 2020 |
| Last updated in NPPES | Dec 2, 2025 |
| Certified by provider | Dec 2, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 024761 | 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 | 29 across 4 procedure codes |
| Paid by Medicare | $1,700 |
Part D prescriptions in 2024
| Prescriptions (claims) | 491 · 805 30-day fills |
|---|---|
| Patients | 151 |
| Total drug cost | $46,341 |
| Generic share | 79% of claims |
Industry payments (Open Payments)
- 2025$189.21 · 6 payments from 1 company
- 2024$124.99 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Acadia Pharmaceuticals Inc | $189.21 | 6 |
What the 2025 payments were for
- Food and Beverage$189.21 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 22 physician assistants in Batavia · All physician assistants in New York