Rena Alexa Palmer, PA-C
NPI 1205681350ActiveIndividual· Physician Assistant· Rancho Santa Margarita, CA
Physician Assistant (PA-C) with California Dermatology Institute PC, practicing in Rancho Santa Margarita, California. Their prescriptions cost Medicare Part D more than their services did: $127,015 for 411 claims, against $12,945 paid for services in 2024. Genzyme Corporation was the largest of 7 companies reporting payments in 2025, $589.56 in all, mostly food and beverage.
Overview
| NPI | 1205681350 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | Yes |
| NPI issued | Apr 22, 2024 |
| Last updated in NPPES | Apr 23, 2024 |
| Certified by provider | Apr 23, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 64397 | 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 | 69 |
|---|---|
| Services billed | 231 across 17 procedure codes |
| Paid by Medicare | $12,945 |
Part D prescriptions in 2024
| Prescriptions (claims) | 411 · 433 30-day fills |
|---|---|
| Patients | 165 |
| Total drug cost | $127,015 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- California Dermatology Institute PCThousand Oaks, CA · 25 clinicians
Industry payments (Open Payments)
- 2025$589.56 · 14 payments from 7 companies
- 2024$82.93 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $139.95 | 1 |
| Pfizer Inc. | $125.00 | 1 |
| Abbvie Inc. | $120.54 | 4 |
| Regeneron Healthcare Solutions, Inc. | $100.72 | 3 |
| Incyte Corporation | $49.72 | 2 |
What the 2025 payments were for
- Food and Beverage$589.56 · 14 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 17 physician assistants in Rancho Santa Margarita · All physician assistants in California