Karin R. Brimhall, PA-C
NPI 1255578126ActiveIndividual· Physician Assistant· Mesa, AZ
Physician Assistant (PA-C) with Center for Dermatology PLLC and 1 other group, practicing in Mesa, Arizona. Their prescriptions cost Medicare Part D more than their services did: $315,108 for 967 claims, against $155,121 paid for services in 2024. Leo Pharma Inc. was the largest of 19 companies reporting payments in 2025, $2,678 in all, mostly food and beverage.
Overview
| NPI | 1255578126 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jan 14, 2009 |
| Last updated in NPPES | Aug 21, 2026 |
| Certified by provider | Aug 21, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 4237 | AZ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 894 |
|---|---|
| Services billed | 4,780 across 46 procedure codes |
| Paid by Medicare | $155,121 |
Part D prescriptions in 2024
| Prescriptions (claims) | 967 · 1,161 30-day fills |
|---|---|
| Patients | 423 |
| Total drug cost | $315,108 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical groups
- Center for Dermatology PLLCScottsdale, AZ · 71 clinicians
- Skin Care Specialists PLLCTempe, AZ · 12 clinicians
Industry payments (Open Payments)
- 2025$2,678 · 113 payments from 19 companies
- 2024$2,236 · 110 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Leo Pharma Inc. | $491.87 | 16 |
| Regeneron Healthcare Solutions, Inc. | $479.21 | 20 |
| Incyte Corporation | $275.37 | 5 |
| Ucb, Inc. | $237.70 | 14 |
| Amgen Inc. | $167.87 | 4 |
What the 2025 payments were for
- Food and Beverage$2,579 · 112 payments
- Education$99.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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