Oliver Johnson
NPI 1922671700ActiveIndividual· Physician Assistant· Springfield, MA
Physician Assistant in Springfield, Massachusetts, licensed in MA, with an NPI issued in July 2021. Their prescriptions cost Medicare Part D more than their services did: $93,425 for 1,749 claims, against $61,439 paid for services in 2024. Acadia Pharmaceuticals Inc reported $21.00 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1922671700 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Jul 20, 2021 |
| Last updated in NPPES | Sep 11, 2025 |
| Certified by provider | Sep 11, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA8349 | MA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 120 |
|---|---|
| Services billed | 877 across 8 procedure codes |
| Paid by Medicare | $61,439 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,749 · 1,760 30-day fills |
|---|---|
| Patients | 170 |
| Total drug cost | $93,425 |
| Generic share | 86% of claims |
Industry payments (Open Payments)
- 2025$21.00 · 1 payment from 1 company
- 2024$251.48 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Acadia Pharmaceuticals Inc | $21.00 | 1 |
What the 2025 payments were for
- Food and Beverage$21.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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