Donald Clark III, M.D.
NPI 1821315011ActiveIndividual· Internal Medicine, Cardiovascular Disease· Jackson, MS
Internal Medicine, Cardiovascular Disease (M.D.) in Jackson, Mississippi, trained at University of Mississippi School of Medicine (class of 2010). Their prescriptions cost Medicare Part D more than their services did: $196,875 for 1,167 claims, against $69,448 paid for services in 2024.
Overview
| NPI | 1821315011 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 27, 2010 |
| Last updated in NPPES | Apr 11, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 25138 | MS |
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) (MS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 662 |
|---|---|
| Services billed | 1,443 across 34 procedure codes |
| Paid by Medicare | $69,448 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,167 · 2,536 30-day fills |
|---|---|
| Patients | 173 |
| Total drug cost | $196,875 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | University of Mississippi School of Medicine |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical groups
- State of Mississippi - University of Mississippi Medical CenterJackson, MS · 965 clinicians
- Och Professional ServicesStarkville, MS · 30 clinicians
Hospital affiliations
- Holmes County Hospital and ClinicsLexington, MS
- Magee General HospitalMagee, MS
- Merit Health MadisonCanton, MS
- Mississippi Methodist Rehab CtrJackson, MS
- University of Mississippi Med CenterJackson, MS
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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