Chase Diego
NPI 1306623525ActiveIndividual· Physician Assistant, Medical· Thousand Oaks, CA
Physician Assistant, Medical with California Dermatology Institute PC, practicing in Thousand Oaks, California. Their prescriptions cost Medicare Part D more than their services did: $313,875 for 724 claims, against $110,291 paid for services in 2024. Lilly USA, LLC was the largest of 4 companies reporting payments in 2025, $329.69 in all, mostly food and beverage.
Overview
| NPI | 1306623525 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Sep 11, 2023 |
| Last updated in NPPES | Jun 10, 2024 |
| Certified by provider | Jun 10, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | — | 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 | 168 |
|---|---|
| Services billed | 989 across 22 procedure codes |
| Paid by Medicare | $110,291 |
Part D prescriptions in 2024
| Prescriptions (claims) | 724 · 807 30-day fills |
|---|---|
| Patients | 240 |
| Total drug cost | $313,875 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- California Dermatology Institute PCThousand Oaks, CA · 25 clinicians
Industry payments (Open Payments)
- 2025$329.69 · 6 payments from 4 companies
- 2024$50.01 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $117.83 | 1 |
| Amgen Inc. | $99.13 | 1 |
| Abbvie Inc. | $74.00 | 3 |
| E.R. Squibb & Sons, L.L.C. | $38.73 | 1 |
What the 2025 payments were for
- Food and Beverage$329.69 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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