Alexander John Armstrong, PA-C
NPI 1881208346ActiveIndividual· Physician Assistant· Charleston, SC
Physician Assistant (PA-C) with University Medical Associates of the Medical University of South Carol, practicing in Charleston, South Carolina. Their prescriptions cost Medicare Part D more than their services did: $575,366 for 1,867 claims, against $22,596 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 5 companies reporting payments in 2024, $139.78 in all, mostly food and beverage. Lists Colleton Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1881208346 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | Yes |
| NPI issued | Sep 2, 2020 |
| Last updated in NPPES | Aug 11, 2026 |
| Certified by provider | Aug 11, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | — | — |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 282 |
|---|---|
| Services billed | 538 across 12 procedure codes |
| Paid by Medicare | $22,596 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,867 · 4,709 30-day fills |
|---|---|
| Patients | 463 |
| Total drug cost | $575,366 |
| Generic share | 74% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- University Medical Associates of the Medical University of South CarolCharleston, SC · 1,668 clinicians
Hospital affiliations
- Colleton Medical CenterWalterboro, SC
- Musc Medical CenterCharleston, SC
- Trident Medical CenterCharleston, SC
Industry payments (Open Payments)
- 2024$139.78 · 8 payments from 5 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $47.74 | 3 |
| E.R. Squibb & Sons, L.L.C. | $31.80 | 2 |
| Biotronik Inc. | $23.37 | 1 |
| Medtronic, Inc. | $20.79 | 1 |
| Janssen Pharmaceuticals, Inc | $16.08 | 1 |
What the 2024 payments were for
- Food and Beverage$139.78 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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