David Newell Duddleston, M.D.
NPI 1003840539ActiveIndividual· Internal Medicine· Madison, MS
Internal Medicine (M.D.) in Madison, Mississippi, licensed in MS, with an NPI issued in July 2006. 216 Medicare patients in 2024, $45,813 paid; nearly all of their 65 Part D prescriptions were generic (97%).
Overview
| NPI | 1003840539 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 10, 2006 |
| Last updated in NPPES | Nov 11, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 10654 | MS |
| Emergency Medicine | 207P00000X | 10654 | 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 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 - Internal Medicine (MS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 216 |
|---|---|
| Services billed | 572 across 6 procedure codes |
| Paid by Medicare | $45,813 |
Part D prescriptions in 2024
| Prescriptions (claims) | 65 · 73 30-day fills |
|---|---|
| Patients | 30 |
| Total drug cost | $779.50 |
| Generic share | 97% of claims |
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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