NPPES file of Aug 9, 2026

Carol Ann Lederman, MD

Hematology & Oncology Physician · White Plains, NY

Carol Ann Lederman, MD is a hematology & oncology physician with a practice address in White Plains, New York, and NPI 1083600266, issued on Sep 23, 2005. Check the license (New York 183713, 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
1083600266
Name
Carol Ann Lederman
Credential
MD
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
183713 NY
Self-reported in NPPES; status is on the state search
Practice location
2 Longview Ave, White Plains, NY 10601
Phone
(914) 684-2779
Enumerated
Sep 23, 2005
Record last updated
Oct 26, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(914) 684-6859
Medicare enrollment
Enrolled (PECOS I20101222000191); accepts Medicare assignment
Medical or professional school
Js Weill Medical College, Cornell University, 1989
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 Carol Ann Lederman 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 183713
    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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12% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

774 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 39% of claims.

  1. Carol Lederman774
  2. Specialty average877

Most prescribed

  1. Eliquis109 claims
  2. Hydroxyurea99 claims
  3. Valacyclovir52 claims
  4. Venclexta46 claims
  5. Xarelto45 claims
  6. Brukinsa41 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.

No measured MIPS final score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

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. Cancer And Blood Medical Services OF New York PCWhite Plains, NY

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

Carol Ann Lederman among 1,163 hematology & oncology physician records in New York

Carol Ann Lederman, 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 85% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1989 · median 2002 among the 833 with a school on file
  • Record last updated2010 · 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. Rachel Levy, MD/MPHWhite Plains, NY 106011972000503
  7. Della Makower, MDWhite Plains, NY 106011578559910
  8. Numa Rahman, MDWhite Plains, NY 106011215323050

Common questions

What is Carol Ann Lederman, MD's NPI number?

Carol Ann Lederman, MD's National Provider Identifier (NPI) is 1083600266, issued on Sep 23, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Carol Ann Lederman, MD located?

The NPPES record lists a practice address at 2 Longview Ave, White Plains, NY, 10601. Phone: (914) 684-2779. Providers update this record themselves, so call before visiting.

How can I verify Carol Ann Lederman, MD's license?

NPPES lists New York license number 183713, 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 Carol Ann Lederman, MD prescribe under Medicare Part D?

In 2024, Carol Ann Lederman, MD had 774 Medicare Part D claims for 103 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.

What is Carol Ann Lederman, MD's MIPS final score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

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.