Jennifer Marie Dennehy, APN
NPI 1689125478ActiveIndividual· Nurse Practitioner, Adult Health· Commack, NY
Nurse Practitioner, Adult Health (APN) with Mskcc Regional Network and 1 other group, practicing in Commack, New York. Their prescriptions cost Medicare Part D more than their services did: $911,003 for 456 claims, against $57,494 paid for services in 2024. Rgh Enterprises LLC reported $15.41 in payments in 2025, mostly food and beverage. Lists Suny/Stony Brook University Hospital as a hospital affiliation.
Overview
| NPI | 1689125478 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APN |
| Sole proprietor | No |
| NPI issued | Oct 17, 2016 |
| Last updated in NPPES | Jul 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Adult Health Primary | 363LA2200X | 307998 | NY |
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 (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 350 |
|---|---|
| Services billed | 781 across 5 procedure codes |
| Paid by Medicare | $57,494 |
Part D prescriptions in 2024
| Prescriptions (claims) | 456 · 596 30-day fills |
|---|---|
| Patients | 135 |
| Total drug cost | $911,003 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical groups
- Mskcc Regional NetworkCommack, NY · 136 clinicians
- Advanced Internal Medicine Group PCGreenvale, NY · 5 clinicians
Hospital affiliation
- Suny/Stony Brook University HospitalStony Brook, NY
Other facilities
- Tender Loving Care, An Amedisys CompanyHome health agency · Carle Place, NY
- Vns of Ny Home Care ChhaHome health agency · New York, NY
Industry payments (Open Payments)
- 2025$15.41 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Rgh Enterprises LLC | $15.41 | 1 |
What the 2025 payments were for
- Food and Beverage$15.41 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Nurse Practitioner, Adult Health providers in Commack
- 1467846576
- 1578875928
- 1629791124
- 1952150864
- 1568719532
- 1235491762
- 1851840540
- 1477039550
- 1033592589
- 1033593017
- 1477761641
- 1629514674
All Nurse Practitioner, Adult Health providers in New York →