Yanina Greyf, NP
Family Nurse Practitioner · Brooklyn, NY
Yanina Greyf, NP is a family nurse practitioner with a practice address in Brooklyn, New York, and NPI 1174557136, issued on Jul 10, 2006. Check the license (New York 334607, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Yanina Greyf
- Credential
- NP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 334607 NY
Self-reported in NPPES; status is on the state search - Practice location
- 4813 9TH Ave FL 5, Brooklyn, NY 11220
- Phone
- (718) 283-5329
- Enumerated
- Jul 10, 2006
- Record last updated
- Oct 20, 2023
- Fax
- (718) 635-7640
- Medicaid ID
- 02732158 NY
- Medicare enrollment
- Enrolled (PECOS I20060503000590); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 14,805 in New York → Look up another NPI →
Also registered at 4813 9TH Ave FL 5
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ying Chen, MDEndocrinology, Diabetes & Metabolism Physician1497384960
- Shirley Gomez, FNP-BCFamily Nurse Practitioner1760199897
Verify Yanina Greyf in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 334607Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average family nurse practitioner in 2024
2,915 Medicare Part D claims for 387 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 53% of claims.
Most prescribed
- Ozempic225 claims
- Trulicity159 claims
- Metformin Hcl154 claims
- Jardiance150 claims
- Levothyroxine Sodium137 claims
- Metformin Hcl Er124 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $19.76
1 payment: food and beverage; the largest payer was Xeris Pharmaceuticals, Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Maimonides Faculty Practice PlanBrooklyn, NY
- Maimonides Medical Center - Division OF Endocrinology FppBrooklyn, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Yanina Greyf among 14,805 family nurse practitioner records in New York
Yanina Greyf, NP is one of 14,805 family nurse practitioner records with a practice address in New York. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 91% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated2005 · median 2019 among the 7,239 with a school on file
- Record last updated2023 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,244 family nurse practitioner records list a practice address in Brooklyn
They are 1,244 of the 64,057 NPPES records with a practice address in Brooklyn, and 14,805 family nurse practitioner records in New York.
All 14,805 in New York → Every provider in Brooklyn → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Marie-Renee Alexis, FNPBrooklyn, NY 112201235311770
- Frances Altieri, NPBrooklyn, NY 112201962504373
- Cindy Chi, FNP-CBrooklyn, NY 112201619278538
- Feddy Emmanuel, FNPBrooklyn, NY 112201053562900
- Susanna LekhnoBrooklyn, NY 112201205070273
- Maryann Lopez, NPBrooklyn, NY 112201649386186
- Valerie Michaud, NPBrooklyn, NY 112201457598005
- Lisa Montalbano, FNPBrooklyn, NY 112201609192913
Common questions
What is Yanina Greyf, NP's NPI number?
Yanina Greyf, NP's National Provider Identifier (NPI) is 1174557136, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Yanina Greyf, NP located?
The NPPES record lists a practice address at 4813 9TH Ave FL 5, Brooklyn, NY, 11220. Phone: (718) 283-5329. Providers update this record themselves, so call before visiting.
How can I verify Yanina Greyf, NP's license?
NPPES lists New York license number 334607, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Yanina Greyf, NP prescribe under Medicare Part D?
In 2024, Yanina Greyf, NP had 2,915 Medicare Part D claims for 387 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.