Don D. Duff, FNP-C
NPI 1588606636ActiveIndividual· Nurse Practitioner· Chattanooga, TN
Nurse Practitioner (FNP-C) in Chattanooga, Tennessee, licensed in TN, with an NPI issued in June 2006. 258 Medicare patients in 2024, $40,166 paid; all of their 490 Part D prescriptions were generic. Djo, LLC was the largest of 2 companies reporting payments in 2025, $73.02 in all, mostly food and beverage. Lists Rhea Medical Center as a hospital affiliation.
Overview
| NPI | 1588606636 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP-C |
| Sole proprietor | No |
| NPI issued | Jun 12, 2006 |
| Last updated in NPPES | Jan 19, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 20159 | TN |
| Chiropractor | 111N00000X | DC0000000723 | TN |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Family Practice (TN); Practitioner - Nurse Practitioner (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 258 |
|---|---|
| Services billed | 1,290 across 37 procedure codes |
| Paid by Medicare | $40,166 |
Part D prescriptions in 2024
| Prescriptions (claims) | 490 · 514 30-day fills |
|---|---|
| Patients | 234 |
| Total drug cost | $2,472 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Hospital affiliation
- Rhea Medical CenterDayton, TN
Industry payments (Open Payments)
- 2025$73.02 · 3 payments from 2 companies
- 2024$34.24 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Djo, LLC | $47.71 | 2 |
| Curonix LLC | $25.31 | 1 |
What the 2025 payments were for
- Food and Beverage$73.02 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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