Rebecca Susan Zweifler, MD
Hematology & Oncology Physician · New York, NY
Rebecca Susan Zweifler, MD is a hematology & oncology physician with a practice address in New York, New York, and NPI 1295296960, issued on Mar 26, 2019. Check the license (New York 311606, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Rebecca Susan Zweifler
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 311606 NY
Self-reported in NPPES; status is on the state search - Practice location
- 500 W 181St St, New York, NY 10033
- Phone
- (212) 396-1174
- Enumerated
- Mar 26, 2019
- Record last updated
- Aug 3, 2026
- Medicare enrollment
- Enrolled (PECOS I20230106000972); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,163 in New York → Look up another NPI →
Also registered at 500 W 181St St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ana Colon Ramos, MDHematology & Oncology Physician1164085445
Verify Rebecca Susan Zweifler 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 311606Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
94 Medicare Part D claims for 25 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 50% of claims.
Most prescribed
- Eliquis35 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): 91.3 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: $2,152.93
74 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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
- North Shore-Lij Medical PCNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rebecca Susan Zweifler among 1,163 hematology & oncology physician records in New York
Rebecca Susan Zweifler, MD 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 2019, is newer than 92% of them.
- NPI issued2019 · 92% of these records are older, 5% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2019 · median 2002 among the 833 with a school on file
- Record last updated2026 · 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 New York → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Ana Colon Ramos, MDNew York, NY 100331164085445
- Dow-Chung Chi, M.D.New York, NY 100321700047370
- Matthew Dallos, M.D.New York, NY 100321578825071
- Changchun Deng, M.D.New York, NY 100321396866034
- Robert Fine, M.D.New York, NY 100321255499935
- Gaston Jean-Louis, MDNew York, NY 100321730708959
- Daniel LeeNew York, NY 100321841589967
- Douglas Marks, M.D.New York, NY 100321083980189
Common questions
What is Rebecca Susan Zweifler, MD's NPI number?
Rebecca Susan Zweifler, MD's National Provider Identifier (NPI) is 1295296960, issued on Mar 26, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Rebecca Susan Zweifler, MD located?
The NPPES record lists a practice address at 500 W 181St St, New York, NY, 10033. Phone: (212) 396-1174. Providers update this record themselves, so call before visiting.
How can I verify Rebecca Susan Zweifler, MD's license?
NPPES lists New York license number 311606, 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 Rebecca Susan Zweifler, MD prescribe under Medicare Part D?
In 2024, Rebecca Susan Zweifler, MD had 94 Medicare Part D claims for 25 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Rebecca Susan Zweifler, MD's MIPS final score?
The 2023 MIPS final score is 91.3 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.