Michael Difronzo
NPI 1881095107ActiveIndividual· Physician Assistant· Colton, CA
Physician Assistant in Colton, California, with an NPI issued in September 2014. 191 Medicare patients in 2024, $18,979 paid; nearly all of their 354 Part D prescriptions were generic (96%).
Overview
| NPI | 1881095107 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Sep 5, 2014 |
| Last updated in NPPES | Apr 13, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | — | — |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 191 |
|---|---|
| Services billed | 300 across 34 procedure codes |
| Paid by Medicare | $18,979 |
Part D prescriptions in 2024
| Prescriptions (claims) | 354 · 363 30-day fills |
|---|---|
| Patients | 238 |
| Total drug cost | $4,434 |
| 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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