Valeria Kreyner, D.O.
Hematology & Oncology Physician · Brooklyn, NY
Valeria Kreyner, D.O. is a hematology & oncology physician with a practice address in Brooklyn, New York, and NPI 1528216264, issued on Sep 6, 2008. Check the license (New York 263587-1, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Valeria Kreyner
- Credential
- D.O.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 263587-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 500 4TH Avneue, Brooklyn, NY 11215
- Phone
- (718) 208-1820
- Enumerated
- Sep 6, 2008
- Record last updated
- Sep 4, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (718) 208-1822
- Medicare enrollment
- Enrolled (PECOS I20151005001182); accepts Medicare assignment
- Medical or professional school
- New York College Of Osteo Medicine Of New York Institute Of Technology, 2008
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,163 in New York → Look up another NPI →
Verify Valeria Kreyner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 263587-1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
42 Medicare Part D claims, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D.
Most prescribed
- Anastrozole27 claims
- Hydroxyurea11 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.
The MIPS final score for 2023 (Medicare payment program): 93.5 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $254.14
12 payments; by number, the most common kind was food and beverage; the largest payer was Ipsen Biopharmaceuticals, Inc. The 8,560 providers of this specialty with any payment received $7,481.41 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 one group practice
- Dosik Hematology And Oncology PCBrooklyn, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Valeria Kreyner among 1,163 hematology & oncology physician records in New York
Valeria Kreyner, D.O. is one of 1,163 hematology & oncology physician records with a practice address in New York. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 56% of them.
- NPI issued2008 · 56% of these records are older, 38% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2008 · median 2002 among the 833 with a school on file
- Record last updated2015 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in New York
There are 1,163 hematology & oncology physician records in New York.
All 1,163 in New York → Every provider in Brooklyn → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Alan Astrow, MDBrooklyn, NY 112151649384371
- Alexander Bershadskiy, M.D.Brooklyn, NY 112151407016116
- Frank Colella, MDBrooklyn, NY 112151023060944
- Perry Cook, M.D.Brooklyn, NY 112151336140581
- Alan Dosik, MDBrooklyn, NY 112151528010386
- Mendel Goldfinger, M.D.Brooklyn, NY 112151801174792
- Andy Huang, MDBrooklyn, NY 112151134150915
- Uqba Khan, M.D.Brooklyn, NY 112151780923920
Common questions
What is Valeria Kreyner, D.O.'s NPI number?
Valeria Kreyner, D.O.'s National Provider Identifier (NPI) is 1528216264, issued on Sep 6, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Valeria Kreyner, D.O. located?
The NPPES record lists a practice address at 500 4TH Avneue, Brooklyn, NY, 11215. Phone: (718) 208-1820. Providers update this record themselves, so call before visiting.
How can I verify Valeria Kreyner, D.O.'s license?
NPPES lists New York license number 263587-1, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Valeria Kreyner, D.O. prescribe under Medicare Part D?
In 2024, Valeria Kreyner, D.O. had 42 Medicare Part D claims; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Valeria Kreyner, D.O.'s MIPS final score?
The 2023 MIPS final score is 93.5 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.