Yanina Greyf, NP
NPI 1174557136ActiveIndividual· Nurse Practitioner, Family· Brooklyn, NY
Nurse Practitioner, Family (NP) with Maimonides Faculty Practice Plan and 1 other group, practicing in Brooklyn, New York. Their prescriptions cost Medicare Part D more than their services did: $1,071,455 for 2,915 claims, against $22,422 paid for services in 2024. Xeris Pharmaceuticals, Inc. reported $19.76 in payments in 2024, mostly food and beverage. Lists Maimonides Medical Center as a hospital affiliation.
Overview
| NPI | 1174557136 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Jul 10, 2006 |
| Last updated in NPPES | Oct 20, 2023 |
| Certified by provider | Oct 20, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 334607 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 166 |
|---|---|
| Services billed | 334 across 6 procedure codes |
| Paid by Medicare | $22,422 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,915 · 4,705 30-day fills |
|---|---|
| Patients | 387 |
| Total drug cost | $1,071,455 |
| Generic share | 35% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical groups
- Maimonides Faculty Practice PlanBrooklyn, NY · 252 clinicians
- Maimonides Medical Center - Division of Endocrinology FppBrooklyn, NY · 11 clinicians
Hospital affiliation
- Maimonides Medical CenterBrooklyn, NY
Industry payments (Open Payments)
- 2024$19.76 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Xeris Pharmaceuticals, Inc. | $19.76 | 1 |
What the 2024 payments were for
- Food and Beverage$19.76 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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