Jennifer Duffy, APN-CNP
NPI 1649557927ActiveIndividual· Nurse Practitioner· Elmhurst, IL
Nurse Practitioner (APN-CNP) with Endeavor Health Medical Group, practicing in Elmhurst, Illinois. 94 Medicare patients in 2024, $18,733 paid; nearly all of their 651 Part D prescriptions were generic (94%). Merck Sharp & Dohme LLC was the largest of 12 companies reporting payments in 2025, $537.12 in all, mostly food and beverage. Lists Swedish Hospital as a hospital affiliation.
Overview
| NPI | 1649557927 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APN-CNP |
| Sole proprietor | No |
| NPI issued | Nov 14, 2011 |
| Last updated in NPPES | Apr 6, 2026 |
| Certified by provider | Apr 6, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 209009133 | IL |
| Nurse Practitioner, Family | 363LF0000X | 209.009133 | IL |
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 (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 94 |
|---|---|
| Services billed | 235 across 8 procedure codes |
| Paid by Medicare | $18,733 |
Part D prescriptions in 2024
| Prescriptions (claims) | 651 · 681 30-day fills |
|---|---|
| Patients | 120 |
| Total drug cost | $15,199 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Endeavor Health Medical GroupEvanston, IL · 3,350 clinicians
Hospital affiliation
- Swedish HospitalChicago, IL
Industry payments (Open Payments)
- 2025$537.12 · 20 payments from 12 companies
- 2024$249.22 · 7 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $81.85 | 3 |
| Genentech USA, Inc. | $76.09 | 3 |
| Jazz Pharmaceuticals Inc. | $73.04 | 2 |
| Janssen Biotech, Inc. | $54.26 | 2 |
| Daiichi Sankyo Inc. | $53.36 | 2 |
What the 2025 payments were for
- Food and Beverage$537.12 · 20 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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