Sandra Ileana Diaz O'Donnell, PA-C
NPI 1548223266ActiveIndividual· Physician Assistant· Pasadena, CA
Physician Assistant (PA-C) in Pasadena, California, trained at University of Southern California Keck School of Medicine (class of 1993). 292 Medicare patients in 2024, $83,140 paid; nearly all of their 689 Part D prescriptions were generic (95%). Galderma Laboratories, L.P. was the largest of 13 companies reporting payments in 2025, $2,312 in all, mostly food and beverage.
Overview
| NPI | 1548223266 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Apr 11, 2006 |
| Last updated in NPPES | Aug 19, 2022 |
| Certified by provider | Aug 19, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA13219 | 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 | 292 |
|---|---|
| Services billed | 1,990 across 32 procedure codes |
| Paid by Medicare | $83,140 |
Part D prescriptions in 2024
| Prescriptions (claims) | 689 · 701 30-day fills |
|---|---|
| Patients | 212 |
| Total drug cost | $64,992 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | University of Southern California Keck School of Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Physician Assistant |
Medical group
- Csi Medical GroupFullerton, CA · 111 clinicians
Industry payments (Open Payments)
- 2025$2,312 · 60 payments from 13 companies
- 2024$1,533 · 42 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Galderma Laboratories, L.P. | $644.45 | 9 |
| Arcutis Biotherapeutics, Inc. | $386.11 | 9 |
| Abbvie Inc. | $360.85 | 16 |
| Amgen Inc. | $191.09 | 6 |
| Leo Pharma Inc. | $169.39 | 6 |
What the 2025 payments were for
- Food and Beverage$2,312 · 60 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 91 physician assistants in Pasadena · All physician assistants in California