Julia Derenzi, PA
NPI 1932369469ActiveIndividual· Physician Assistant, Medical· San Ramon, CA
Physician Assistant, Medical (PA) in San Ramon, California, licensed in CA, with an NPI issued in June 2008. Their prescriptions cost Medicare Part D more than their services did: $440,731 for 1,259 claims, against $1,878 paid for services in 2024. Abbvie Inc. was the largest of 13 companies reporting payments in 2025, $1,529 in all, mostly food and beverage.
Overview
| NPI | 1932369469 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Jun 9, 2008 |
| Last updated in NPPES | Jan 3, 2025 |
| Certified by provider | Jan 3, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | PA19746 | CA |
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 | 25 |
|---|---|
| Services billed | 28 across 6 procedure codes |
| Paid by Medicare | $1,878 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,259 · 2,472 30-day fills |
|---|---|
| Patients | 455 |
| Total drug cost | $440,731 |
| Generic share | 83% of claims |
Industry payments (Open Payments)
- 2025$1,529 · 68 payments from 13 companies
- 2024$1,893 · 86 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $667.95 | 29 |
| Takeda Pharmaceuticals U.S.A., Inc. | $152.02 | 8 |
| Madrigal Pharmaceuticals | $113.35 | 5 |
| Aimmune Therapeutics, Inc. | $98.50 | 4 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $94.90 | 5 |
What the 2025 payments were for
- Food and Beverage$1,529 · 68 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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