Dwayne Dennis Callwood, MD
NPI 1023194479ActiveIndividual· Internal Medicine, Cardiovascular Disease· Burlington, NC
Internal Medicine, Cardiovascular Disease (MD) in Burlington, North Carolina, trained at University of Virginia School of Medicine (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $1,447,906 for 10,468 claims, against $178,434 paid for services in 2024. Zoll Services LLC (A/K/A Zoll Lifecor Corp) was the largest of 3 companies reporting payments in 2025, $59.70 in all, mostly food and beverage.
Overview
| NPI | 1023194479 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Oct 28, 2006 |
| Last updated in NPPES | Aug 2, 2023 |
| Certified by provider | Aug 2, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 35857 | 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 - Cardiovascular Disease (Cardiology) (NC); Practitioner - Cardiovascular Disease (Cardiology) (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 775 |
|---|---|
| Services billed | 3,222 across 66 procedure codes |
| Paid by Medicare | $178,434 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,468 · 23,421 30-day fills |
|---|---|
| Patients | 1,310 |
| Total drug cost | $1,447,906 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | University of Virginia School of Medicine |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical groups
- Duke Health Integrated Practice, IncDurham, NC · 3,185 clinicians
- Vidant Medical Group LLCAhoskie, NC · 1,012 clinicians
- Dlp Person Physician Practices LLCRoxboro, NC · 6 clinicians
Hospital affiliations
- Alamance Regional Medical CenterBurlington, NC
- Augusta HealthFishersville, VA
- Duke University HospitalDurham, NC
- Ecu Health Medical CenterGreenville, NC
- Person Memorial HospitalRoxboro, NC
Industry payments (Open Payments)
- 2025$59.70 · 4 payments from 3 companies
- 2024$123.40 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $27.80 | 2 |
| Scpharmaceuticals Inc. | $16.06 | 1 |
| Amgen Inc. | $15.84 | 1 |
What the 2025 payments were for
- Food and Beverage$59.70 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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