Erin Duff, N.P.
NPI 1629329867ActiveIndividual· Nurse Practitioner, Family· Knox, IN
Nurse Practitioner, Family (N.P.) with La Porte Clinic Company LLC, practicing in Knox, Indiana. Their prescriptions cost Medicare Part D more than their services did: $414,312 for 2,957 claims, against $38,626 paid for services in 2024. Amgen Inc. was the largest of 6 companies reporting payments in 2025, $265.08 in all, mostly food and beverage. Lists Northwest Health - Starke and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1629329867 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | N.P. |
| Sole proprietor | No |
| NPI issued | Sep 27, 2012 |
| Last updated in NPPES | Dec 14, 2022 |
| Certified by provider | Dec 14, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 71004187A | IN |
| Nurse Practitioner | 363L00000X | 28172170A | IN |
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 (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 241 |
|---|---|
| Services billed | 917 across 7 procedure codes |
| Paid by Medicare | $38,626 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,957 · 8,150 30-day fills |
|---|---|
| Patients | 365 |
| Total drug cost | $414,312 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- La Porte Clinic Company LLCKnox, IN · 69 clinicians
Hospital affiliations
- Northwest Health - StarkeKnox, IN
- Northwest Health-La PorteLa Porte, IN
- Pulaski Memorial HospitalWinamac, IN
Industry payments (Open Payments)
- 2025$265.08 · 14 payments from 6 companies
- 2024$227.10 · 11 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $88.54 | 5 |
| Merck Sharp & Dohme LLC | $57.78 | 3 |
| Keystone Dental Inc. | $48.79 | 1 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $30.16 | 2 |
| Scpharmaceuticals Inc. | $23.70 | 1 |
What the 2025 payments were for
- Food and Beverage$216.29 · 13 payments
- Entertainment$48.79 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Nurse Practitioner, Family providers in Knox
- 1700122579
- 1427645597
- 1114385879
- 1831522085
- 1134213168
- 1790509065
- 1912482936
- 1205509726
- 1710638432
- 1841658689