Ruben Diaz, AGNP-BC, FNP-BC
NPI 1073941225ActiveIndividual· Nurse Practitioner, Adult Health· New York, NY
Nurse Practitioner, Adult Health (AGNP-BC, FNP-BC) with North Shore-Lij Medical PC and 1 other group, practicing in New York, New York. Their prescriptions cost Medicare Part D more than their services did: $339,253 for 837 claims, against $37,585 paid for services in 2024. Novo Nordisk Inc reported $94.26 in payments in 2025, mostly food and beverage. Lists Northern Westchester Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1073941225 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | AGNP-BC, FNP-BC |
| Sole proprietor | No |
| NPI issued | Oct 25, 2013 |
| Last updated in NPPES | Feb 18, 2026 |
| Certified by provider | Feb 18, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Adult Health Primary | 363LA2200X | F306708-1 | NY |
| Nurse Practitioner, Family | 363LF0000X | F339816-01 | NY |
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 - Nurse Practitioner (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 208 |
|---|---|
| Services billed | 552 across 14 procedure codes |
| Paid by Medicare | $37,585 |
Part D prescriptions in 2024
| Prescriptions (claims) | 837 · 1,504 30-day fills |
|---|---|
| Patients | 118 |
| Total drug cost | $339,253 |
| Generic share | 30% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical groups
- North Shore-Lij Medical PCStaten Island, NY · 6,440 clinicians
- Memorial Endocrine GroupNew York, NY · 19 clinicians
Hospital affiliations
- Northern Westchester HospitalMount Kisco, NY
- Phelps HospitalSleepy Hollow, NY
Industry payments (Open Payments)
- 2025$94.26 · 1 payment from 1 company
- 2024$30.20 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $94.26 | 1 |
What the 2025 payments were for
- Food and Beverage$94.26 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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