Rosanna Petronella, P.A.
NPI 1134224272ActiveIndividual· Physician Assistant, Medical· Santa Barbara, CA
Physician Assistant, Medical (P.A.) with Sansum Clinic, practicing in Santa Barbara, California. Their prescriptions cost Medicare Part D more than their services did: $1,629,553 for 4,241 claims, against $90,633 paid for services in 2024. Xeris Pharmaceuticals, Inc. was the largest of 7 companies reporting payments in 2025, $1,048 in all, mostly food and beverage.
Overview
| NPI | 1134224272 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | P.A. |
| Sole proprietor | No |
| NPI issued | Sep 13, 2006 |
| Last updated in NPPES | Feb 6, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | PA10927 | 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 | 198 |
|---|---|
| Services billed | 6,127 across 18 procedure codes |
| Paid by Medicare | $90,633 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,241 · 10,029 30-day fills |
|---|---|
| Patients | 484 |
| Total drug cost | $1,629,553 |
| Generic share | 50% of claims |
Education and affiliations
| Graduation year | 1979 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Sansum ClinicSanta Barbara, CA · 320 clinicians
Industry payments (Open Payments)
- 2025$1,048 · 36 payments from 7 companies
- 2024$972.21 · 19 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Xeris Pharmaceuticals, Inc. | $337.25 | 8 |
| Sequel Med Tech, LLC | $237.26 | 6 |
| Abbott Laboratories | $200.83 | 14 |
| Tandem Diabetes Care, Inc. | $123.04 | 2 |
| Novo Nordisk Inc | $89.29 | 3 |
What the 2025 payments were for
- Food and Beverage$983.14 · 34 payments
- Education$64.54 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other physician assistants in Santa Barbara
- 1003363847
- 1114107653
- 1124047691
- 1255434544
- 1457846560
- 1710386057
- 1740561083
- 1851328462
- 1902987415
- 1982700985
- 1598784225
- 1760718985
All 30 physician assistants in Santa Barbara · All physician assistants in California