Gregory Dukes, CRNP
NPI 1669986493ActiveIndividual· Nurse Practitioner· St Michaels, MD
Nurse Practitioner (CRNP) in St Michaels, Maryland, licensed in MD, with an NPI issued in December 2017. Their prescriptions cost Medicare Part D more than their services did: $135,213 for 3,148 claims, against $294.68 paid for services in 2024. Sanofi-Aventis U.S. LLC reported $22.86 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1669986493 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNP |
| Sole proprietor | No |
| NPI issued | Dec 1, 2017 |
| Last updated in NPPES | Oct 29, 2020 |
| Certified by provider | Oct 29, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | R114544 | MD |
| Registered Nurse | 163W00000X | R114544 | MD |
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 - Nurse Practitioner (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 21 |
|---|---|
| Services billed | 22 across 3 procedure codes |
| Paid by Medicare | $294.68 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,148 · 6,318 30-day fills |
|---|---|
| Patients | 323 |
| Total drug cost | $135,213 |
| Generic share | 92% of claims |
Industry payments (Open Payments)
- 2025$22.86 · 1 payment from 1 company
- 2024$17.10 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sanofi-Aventis U.S. LLC | $22.86 | 1 |
What the 2025 payments were for
- Food and Beverage$22.86 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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