Healthcare provider profile · identity verified

Yanina Greyf, NP

Nurse Practitioner · BROOKLYN, NY · NPI 1174557136

Profile state: partd only Open Payments: 2025 Medicare Part D: 2024 Last identity check: 2026-08-10 Page data build: 2026-08-12

Verified facts

What the public records show

We did not find matching Open Payments records for this doctor in 2025.

These records do not establish that a payment influenced prescribing or medical care.

Payment overview · 2025

General Payments

We did not find matching Open Payments records for this doctor in the selected program year.

Separate record types

Research & Ownership

Research Payments (direct recipient): not present in the loaded data

Associated Research Funding (for example, named PI): not present in the loaded data

Ownership / Investment: not present in the loaded data

These categories are never added into the General Payments headline. Associated research funding must not be described as money the doctor personally received unless the source record supports that conclusion.

Analysis 1 · Payment-linked products

Products named in Open Payments records

No payment-linked product analysis is available because no matching General Payment records were found for the selected year.

Public prescribing for products named in payments

There is no explicit payment-product set available for a Part D comparison.

The presence of the same drug in both datasets does not show that a payment caused or influenced a prescription.

Analysis 2 · Same-company prescribing overlap

Drugs reported in other payments from the same company that also appear in Medicare Part D

This analysis is independent from products named on this doctor’s individual payment records. A row appears only when the exact Open Payments reporting entity paid this doctor, that same reporting entity reported the drug or biological on at least 10 loaded General Payment records involving at least 2 distinct recipient NPIs, and this doctor has the same non-generic brand in public Part D data. This does not mean the company owns or manufactures the drug.

There is no payer-company set available for this comparison.

These facts do not show that a payment was for the drug, that the company owns or manufactures the drug, or that a payment caused or influenced prescribing.

Public Medicare Part D data

Provider-and-drug rows loaded for 2024

BrandGenericClaimsBeneficiaries
OzempicSemaglutide22553
TrulicityDulaglutide15946
Metformin HclMetformin Hcl15460
JardianceEmpagliflozin15038
Levothyroxine SodiumLevothyroxine Sodium13750
Metformin Hcl ErMetformin Hcl12440
RepaglinideRepaglinide10732
Lantus SolostarInsulin Glargine,hum.Rec.Anlog10339
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog10031
MounjaroTirzepatide8424
GlimepirideGlimepiride8124
Novolog FlexpenInsulin Aspart7427
JanuviaSitagliptin Phosphate6220
Atorvastatin CalciumAtorvastatin Calcium5921
MethimazoleMethimazole5816
FarxigaDapagliflozin Propanediol5521
Nano 2nd Gen Pen NeedlePen Needle, Diabetic5522
Pioglitazone HclPioglitazone Hcl5213
SynthroidLevothyroxine Sodium5223
GlipizideGlipizide4918
Humalog Kwikpen U-100Insulin Lispro4921
Ultra-Fine Nano Pen NeedlePen Needle, Diabetic4819
Rosuvastatin CalciumRosuvastatin Calcium4711
Alcohol Prep PadsAlcohol Antiseptic Pads4215
TradjentaLinagliptin41suppressed
Tresiba Flextouch U-100Insulin Degludec3917
Glipizide ErGlipizide3411
JanumetSitagliptin Phos/Metformin Hcl29suppressed
Tresiba Flextouch U-200Insulin Degludec25suppressed
Insulin Lispro Kwikpen U-100Insulin Lispro24suppressed
VascepaIcosapent Ethyl23suppressed
Alendronate SodiumAlendronate Sodium22suppressed
Easy Touch Alcohol Prep PadsAlcohol Antiseptic Pads22suppressed
AcarboseAcarbose21suppressed
Ultra-Fine Mini Pen NeedlePen Needle, Diabetic19suppressed
HumalogInsulin Lispro18suppressed
Insulin SyringeSyringe And Needle,insulin,1ml17suppressed
Single Use SwabAlcohol Antiseptic Pads1712
Insulin Aspart FlexpenInsulin Aspart16suppressed
Ultra-Fine Short Pen NeedlePen Needle, Diabetic16suppressed
Fiasp FlextouchInsulin Aspart (Niacinamide)15suppressed
Losartan PotassiumLosartan Potassium15suppressed
NovologInsulin Aspart15suppressed
Amlodipine BesylateAmlodipine Besylate13suppressed
CalcitriolCalcitriol13suppressed
Comfort Ez Pen NeedlePen Needle, Diabetic13suppressed
Easy Comfort Pen NeedlesPen Needle, Diabetic13suppressed
SimvastatinSimvastatin12suppressed
Trueplus Pen NeedlePen Needle, Diabetic12suppressed
Alcohol PadsAlcohol Antiseptic Pads11suppressed

Timeline

Payment and prescribing data by year

Open Payments and Medicare Part D may refer to different years. They are shown separately rather than aligned as if they describe the same period.

YearGeneral PaymentsMain payerExplicit productsCompany overlapsPart D coverage
2025
2024 Complete

Questions to ask

Questions you could discuss with your doctor

These are general questions generated from reviewed templates. They are not personalized medical advice.

Sources and limitations

How to read this page

Loaded source releases

DatasetYearPublicationSource
CMS Open Payments — General Payments 2025 2026-06-30 Original source
Medicare Part D Prescribers by Provider and Drug 2024 2026-05-06 Original source
NPPES Data Dissemination V2 current / reference data 2026-08-10 Original source

Methodology version: 2.1

Editorial template version: 2.4

Product contract version: 2.0

Schema version: 0.7.0

Page data build: 2026-08-12T23:34:59.370714+00:00

Publication policy: eligible for indexing after public-launch controls are enabled

Full methodology · Questions & answers · Report a possible error