David S. Caldwell, MD
NPI 1982787123ActiveIndividual· Internal Medicine, Rheumatology· Durham, NC
Internal Medicine, Rheumatology (MD) in Durham, North Carolina, licensed in NC, with an NPI issued in October 2006. Their prescriptions cost Medicare Part D more than their services did: $26,161 for 22 claims, against $3,176 paid for services in 2024. Alexion Pharmaceuticals, Inc. reported $45.82 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1982787123 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 23, 2006 |
| Last updated in NPPES | Aug 22, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | 17318 | 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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 35 |
|---|---|
| Services billed | 64 across 8 procedure codes |
| Paid by Medicare | $3,176 |
Part D prescriptions in 2024
| Prescriptions (claims) | 22 · 34 30-day fills |
|---|---|
| Total drug cost | $26,161 |
| Generic share | 82% of claims |
Industry payments (Open Payments)
- 2025$45.82 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alexion Pharmaceuticals, Inc. | $45.82 | 2 |
What the 2025 payments were for
- Food and Beverage$45.82 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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