Robert W. Christensen, PA-C
NPI 1417993726ActiveIndividual· Physician Assistant, Medical· Columbia, SC
Physician Assistant, Medical (PA-C) with Lexington Health Inc, practicing in Columbia, South Carolina. Their prescriptions cost Medicare Part D more than their services did: $125,381 for 2,280 claims, against $56,074 paid for services in 2024. Pfizer Inc. was the largest of 20 companies reporting payments in 2025, $965.24 in all, mostly food and beverage. Lists Lexington Medical Center as a hospital affiliation.
Overview
| NPI | 1417993726 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jun 22, 2006 |
| Last updated in NPPES | Oct 15, 2020 |
| Certified by provider | Oct 15, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | 1192 | SC |
| Physician Assistant | 363A00000X | 1192 | 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 | 498 |
|---|---|
| Services billed | 2,756 across 71 procedure codes |
| Paid by Medicare | $56,074 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,280 · 4,113 30-day fills |
|---|---|
| Patients | 565 |
| Total drug cost | $125,381 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Lexington Health IncWest Columbia, SC · 904 clinicians
Hospital affiliation
- Lexington Medical CenterWest Columbia, SC
Industry payments (Open Payments)
- 2025$965.24 · 49 payments from 20 companies
- 2024$968.93 · 47 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $169.53 | 10 |
| Dexcom, Inc. | $106.00 | 3 |
| Amgen Inc. | $89.20 | 5 |
| Novo Nordisk Inc | $83.92 | 4 |
| Astrazeneca Pharmaceuticals LP | $79.36 | 5 |
What the 2025 payments were for
- Food and Beverage$965.24 · 49 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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