Robert Alan Bessler, P.A.
NPI 1609803907ActiveIndividual· Physician Assistant· Riverside, CA
Physician Assistant (P.A.) in Riverside, California, licensed in CA, with an NPI issued in June 2006. 165 Medicare patients in 2024, $17,530 paid; nearly all of their 423 Part D prescriptions were generic (96%).
Overview
| NPI | 1609803907 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | P.A. |
| Sole proprietor | Yes |
| NPI issued | Jun 26, 2006 |
| Last updated in NPPES | Jun 12, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA12853 | CA |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 165 |
|---|---|
| Services billed | 236 across 19 procedure codes |
| Paid by Medicare | $17,530 |
Part D prescriptions in 2024
| Prescriptions (claims) | 423 · 423 30-day fills |
|---|---|
| Patients | 244 |
| Total drug cost | $2,653 |
| Generic share | 96% 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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