Derek John William Parker, PA-C
NPI 1548318223ActiveIndividual· Physician Assistant· Seneca, SC
Physician Assistant (PA-C) with Prisma Health University Medical Group, practicing in Seneca, South Carolina. 261 Medicare patients in 2024, $50,918 paid; nearly all of their 493 Part D prescriptions were generic (98%). Solventum Corporation was the largest of 2 companies reporting payments in 2025, $35.88 in all, mostly food and beverage. Lists Prisma Health Oconee Memorial Hospital as a hospital affiliation.
Overview
| NPI | 1548318223 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jan 8, 2007 |
| Last updated in NPPES | Jun 30, 2021 |
| Certified by provider | Jun 30, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 1839 | SC |
| Physician Assistant | 363A00000X | 1057877 NCCPA | — |
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 | 261 |
|---|---|
| Services billed | 4,055 across 45 procedure codes |
| Paid by Medicare | $50,918 |
Part D prescriptions in 2024
| Prescriptions (claims) | 493 · 498 30-day fills |
|---|---|
| Patients | 164 |
| Total drug cost | $6,947 |
| Generic share | 98% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Prisma Health University Medical GroupGreenville, SC · 2,493 clinicians
Hospital affiliation
- Prisma Health Oconee Memorial HospitalSeneca, SC
Other facilities
- Prisma Health Home Health-UpstateHome health agency · Greenville, SC
Industry payments (Open Payments)
- 2025$35.88 · 2 payments from 2 companies
- 2024$1,729 · 9 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Solventum Corporation | $19.95 | 1 |
| Bioventus LLC | $15.93 | 1 |
What the 2025 payments were for
- Food and Beverage$35.88 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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