Caleb Brett Mason, PA-C
NPI 1083170807ActiveIndividual· Physician Assistant, Medical· Little Rock, AR
Physician Assistant, Medical (PA-C) with Arkansas Dermatology PLLC, practicing in Little Rock, Arkansas. 1,400 Medicare patients in 2024, $1,044,505 paid; nearly all of their 1,247 Part D prescriptions were generic (91%). Sun Pharmaceutical Industries Inc. was the largest of 17 companies reporting payments in 2025, $2,807 in all, mostly food and beverage.
Overview
| NPI | 1083170807 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | Yes |
| NPI issued | Feb 17, 2019 |
| Last updated in NPPES | May 6, 2025 |
| Certified by provider | May 6, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | — | — |
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 (AR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,400 |
|---|---|
| Services billed | 46,975 across 79 procedure codes |
| Paid by Medicare | $1,044,505 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,247 · 1,348 30-day fills |
|---|---|
| Patients | 423 |
| Total drug cost | $746,578 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Arkansas Dermatology PLLCNorth Little Rock, AR · 21 clinicians
Industry payments (Open Payments)
- 2025$2,807 · 165 payments from 17 companies
- 2024$2,728 · 165 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sun Pharmaceutical Industries Inc. | $380.89 | 13 |
| Novartis Pharmaceuticals Corporation | $365.63 | 21 |
| Leo Pharma Inc. | $346.26 | 18 |
| Abbvie Inc. | $284.70 | 20 |
| Ucb, Inc. | $260.95 | 17 |
What the 2025 payments were for
- Food and Beverage$2,698 · 163 payments
- Education$109.40 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 57 physician assistants in Little Rock · All physician assistants in Arkansas