Jason Alan Flassing, PA-C
NPI 1912145970ActiveIndividual· Physician Assistant· Greer, SC
Opted out of Medicare from January 2022 to January 2028. Physician Assistant (PA-C) in Greer, South Carolina, licensed in SC and VA, with an NPI issued in January 2009. Part D covered 2,594 prescriptions written in 2024, 98% of them generic. Takeda Pharmaceuticals U.S.A., Inc. was the largest of 8 companies reporting payments in 2025, $609.22 in all, mostly food and beverage.
Overview
| NPI | 1912145970 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jan 29, 2009 |
| Last updated in NPPES | Feb 18, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 1901 | SC |
| Physician Assistant | 363A00000X | 0110002948 | VA |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Opt-out | Opted out Jan 1, 2022 – Jan 1, 2028 |
| Can order and refer | Yes |
During an opt-out period the provider sees Medicare patients only under private contracts, and Medicare does not pay claims for their services.
Part D prescriptions in 2024
| Prescriptions (claims) | 2,594 · 3,226 30-day fills |
|---|---|
| Patients | 94 |
| Total drug cost | $116,789 |
| Generic share | 98% of claims |
Industry payments (Open Payments)
- 2025$609.22 · 37 payments from 8 companies
- 2024$1,529 · 11 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Takeda Pharmaceuticals U.S.A., Inc. | $190.43 | 12 |
| Axsome Therapeutics, Inc. | $107.84 | 8 |
| Abbvie Inc. | $82.13 | 5 |
| Vanda Pharmaceuticals Inc. | $63.05 | 4 |
| Otsuka America Pharmaceutical, Inc. | $57.13 | 3 |
What the 2025 payments were for
- Food and Beverage$609.22 · 37 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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