Valerie Kremer, M.D.
Hematology & Oncology Physician · Rockville Centre, NY
Valerie Kremer, M.D. is a hematology & oncology physician with a practice address in Rockville Centre, New York, and NPI 1134445497, issued on Apr 12, 2010. Check the license (New York 270908, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Valerie Kremer
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 270908 NY
Self-reported in NPPES; status is on the state search - Practice location
- 242 Merrick RD, Rockville Centre, NY 11570
- Phone
- (516) 536-1455
- Enumerated
- Apr 12, 2010
- Record last updated
- Mar 30, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20161109001188); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,163 in New York → Look up another NPI →
Also registered at 242 Merrick RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Marjory David, FNPFamily Nurse Practitioner1801996335
Verify Valerie Kremer 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 270908Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
417 Medicare Part D claims for 103 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims. 19 claims were for opioids.
Most prescribed
- Eliquis42 claims
- Anastrozole35 claims
- Xarelto35 claims
- Hydroxyurea28 claims
- Dexamethasone19 claims
- Omeprazole16 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: $1,002.15
35 payments; by number, the most common kind was food and beverage; the largest payer was Bayer Healthcare Pharmaceuticals 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 2 group practices
- Mount Sinai School OF MedicineRockville Centre, NY
- North Shore Medical Group OF The Mount Sinai School OF MedicineWantagh, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Valerie Kremer among 1,163 hematology & oncology physician records in New York
Valerie Kremer, M.D. 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 2010, is newer than 66% of them.
- NPI issued2010 · 66% of these records are older, 31% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2010 · median 2002 among the 833 with a school on file
- Record last updated2020 · 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 Rockville Centre → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Mohammed Ali, MDRockville Center, NY 115701205817335
- Kenneth Angelino, M.D.Rockville Centre, NY 115701376802405
- David DroryRockville Centre, NY 115701003444589
- Leonard Kessler, MDRockville Centre, NY 115701942209135
- Richard Lee, MDRockville Centre, NY 115701033118229
- Abdul Mundia, MDRockville Centre, NY 115701669672101
- Ronald Primis, M.D.Rockville Centre, NY 115701730188343
- Abhinav Rohatgi, MDRockville Centre, NY 115701073990107
Common questions
What is Valerie Kremer, M.D.'s NPI number?
Valerie Kremer, M.D.'s National Provider Identifier (NPI) is 1134445497, issued on Apr 12, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Valerie Kremer, M.D. located?
The NPPES record lists a practice address at 242 Merrick RD, Rockville Centre, NY, 11570. Phone: (516) 536-1455. Providers update this record themselves, so call before visiting.
How can I verify Valerie Kremer, M.D.'s license?
NPPES lists New York license number 270908, 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 Valerie Kremer, M.D. prescribe under Medicare Part D?
In 2024, Valerie Kremer, M.D. had 417 Medicare Part D claims for 103 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.