Katelyn Marie Mason, PA
NPI 1356984322ActiveIndividual· Physician Assistant· Little River, SC
Physician Assistant (PA) with Hilton Head Regional Physician Group LLC, practicing in Little River, South Carolina. Their prescriptions cost Medicare Part D more than their services did: $642,484 for 3,167 claims, against $143,694 paid for services in 2024. Abbvie Inc. was the largest of 14 companies reporting payments in 2025, $5,938 in all, mostly speaking and faculty fees. Lists Beaufort County Memorial Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1356984322 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | Yes |
| NPI issued | Oct 23, 2019 |
| Last updated in NPPES | Jul 22, 2024 |
| Certified by provider | Apr 19, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 3382 | SC |
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 (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 679 |
|---|---|
| Services billed | 9,421 across 15 procedure codes |
| Paid by Medicare | $143,694 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,167 · 7,221 30-day fills |
|---|---|
| Patients | 736 |
| Total drug cost | $642,484 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Hilton Head Regional Physician Group LLCBluffton, SC · 113 clinicians
Hospital affiliations
- Beaufort County Memorial HospitalBeaufort, SC
- Candler HospitalSavannah, GA
- Coastal Carolina HospitalHardeeville, SC
- Novant Health Hilton Head Medical CenterHilton Head Island, SC
Other facilities
- Amedisys Home Health of BlufftonHome health agency · Bluffton, SC
Industry payments (Open Payments)
- 2025$5,938 · 42 payments from 14 companies
- 2024$1,102 · 62 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $5,320 | 19 |
| Acadia Pharmaceuticals Inc | $140.06 | 3 |
| Pfizer Inc. | $125.70 | 6 |
| Eisai Inc. | $57.57 | 2 |
| Boston Scientific Corporation | $49.43 | 1 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$4,774 · 3 payments
- Food and Beverage$1,070 · 38 payments
- Travel and Lodging$94.46 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 15 physician assistants in Little River · All physician assistants in South Carolina