Gregory A. Collier, PA-C
NPI 1336651728ActiveIndividual· Physician Assistant· Boone, NC
Physician Assistant (PA-C) with Boone Dermatology Clinic, practicing in Boone, North Carolina. Their prescriptions cost Medicare Part D more than their services did: $286,681 for 1,414 claims, against $117,380 paid for services in 2024. Ucb, Inc. was the largest of 6 companies reporting payments in 2025, $278.42 in all, mostly food and beverage. Lists Watauga Medical Center as a hospital affiliation.
Overview
| NPI | 1336651728 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | Yes |
| NPI issued | Oct 25, 2017 |
| Last updated in NPPES | Feb 20, 2024 |
| Certified by provider | Feb 20, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 0010-09521 | NC |
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 (NC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 633 |
|---|---|
| Services billed | 3,229 across 44 procedure codes |
| Paid by Medicare | $117,380 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,414 · 1,593 30-day fills |
|---|---|
| Patients | 558 |
| Total drug cost | $286,681 |
| Generic share | 97% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Boone Dermatology ClinicBoone, NC · 12 clinicians
Hospital affiliation
- Watauga Medical CenterBoone, NC
Industry payments (Open Payments)
- 2025$278.42 · 16 payments from 6 companies
- 2024$108.50 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ucb, Inc. | $123.39 | 3 |
| Abbvie Inc. | $44.43 | 2 |
| Organon LLC | $43.93 | 7 |
| Sun Pharmaceutical Industries Inc. | $30.04 | 2 |
| Galderma Laboratories, L.P. | $19.68 | 1 |
What the 2025 payments were for
- Food and Beverage$278.42 · 16 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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