NPPES file of Aug 9, 2026

Yael Sadan Zack, M.D.

Hematology & Oncology Physician · White Plains, NY

Yael Sadan Zack, M.D. is a hematology & oncology physician with a practice address in White Plains, New York, and NPI 1114245735, issued on May 6, 2010. Check the license (New York 256040, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1114245735
Name
Yael Sadan Zack
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
256040 NY
Self-reported in NPPES; status is on the state search
Practice location
2 Longview Ave, White Plains, NY 10601
Phone
(914) 849-7600
Enumerated
May 6, 2010
Record last updated
Jan 25, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(914) 849-7696
Medicaid ID
03733704 NY
Medicare enrollment
Enrolled (PECOS I20140127000040); accepts Medicare assignment
Medical or professional school
New York Medical College, 2007
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2 Longview Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Preya Ananthakrishnan, M.D.Surgery Physician1104030535
  2. Anne Borofsky, A.N.P.Adult Health Nurse Practitioner1285631150
  3. Nicole BoxerHealth Educator1174974224
  4. Dan Costin, MDHematology & Oncology Physician1033103155
  5. Nathalie Gonzalez, FNP-BCFamily Nurse Practitioner1053019406
  6. Mark Gordon, MDSpecialist1346232899

Verify Yael Sadan Zack in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 256040
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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2% more Medicare Part D claims than the average hematology & oncology physician in 2024

892 Medicare Part D claims for 205 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims. 15 claims were for opioids.

  1. Yael Zack892
  2. Specialty average877

Most prescribed

  1. Letrozole159 claims
  2. Eliquis126 claims
  3. Xarelto58 claims
  4. Anastrozole49 claims
  5. Exemestane39 claims
  6. Enoxaparin Sodium35 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 practice group's MIPS final score for 2023 (Medicare payment program): 99.2 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualitynot scored (reweighted)
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%99.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. White Plains Physician Services PCWhite Plains, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Yael Sadan Zack among 1,163 hematology & oncology physician records in New York

Yael Sadan Zack, 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
  • Graduated2007 · median 2002 among the 833 with a school on file
  • Record last updated2017 · 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.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Jae Cho, MDWhite Plains, NY 106011790084663
  2. Dan Costin, MDWhite Plains, NY 106011033103155
  3. Robert De Jager, MDWhite Plains, NY 106011861058778
  4. Karen Green, MDWhite Plains, NY 106011447246624
  5. Subuhee Hussain, M.D.White Plains, NY 106011013126085
  6. Carol Lederman, MDWhite Plains, NY 106011083600266
  7. Rachel Levy, MD/MPHWhite Plains, NY 106011972000503
  8. Della Makower, MDWhite Plains, NY 106011578559910

Common questions

What is Yael Sadan Zack, M.D.'s NPI number?

Yael Sadan Zack, M.D.'s National Provider Identifier (NPI) is 1114245735, issued on May 6, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Yael Sadan Zack, M.D. located?

The NPPES record lists a practice address at 2 Longview Ave, White Plains, NY, 10601. Phone: (914) 849-7600. Providers update this record themselves, so call before visiting.

How can I verify Yael Sadan Zack, M.D.'s license?

NPPES lists New York license number 256040, 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 Yael Sadan Zack, M.D. prescribe under Medicare Part D?

In 2024, Yael Sadan Zack, M.D. had 892 Medicare Part D claims for 205 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.

What is Yael Sadan Zack, M.D.'s MIPS final score?

The 2023 MIPS final score is 99.2 of 100, reported for the practice group. 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.