NPPES file of Aug 9, 2026

Elizabeth S. Won, MD

Medical Oncology Physician · West Harrison, NY

Elizabeth S. Won, MD is a medical oncology physician with a practice address in West Harrison, New York, and NPI 1013175439, issued on Jun 2, 2008. Check the license (New York 251490, 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
1013175439
Name
Elizabeth S. Won
Credential
MD
Primary taxonomy
Medical Oncology Physician 207RX0202X
License number
251490 NY
Self-reported in NPPES; status is on the state search
Practice location
500 Westchester Ave, West Harrison, NY 10604
Phone
(646) 888-5113
Enumerated
Jun 2, 2008
Record last updated
Jan 28, 2016 (not updated in 10 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 500 Westchester Ave

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

  1. Michael Bernstein, M.D.Hematology & Oncology Physician1922234251
  2. Karin Budrock, FNP-BCFamily Nurse Practitioner1043588304
  3. Amber Choudhry, PHARMDOncology Pharmacist1326860453
  4. Janine Cleary, NPAcute Care Nurse Practitioner1942648415
  5. Sherri-Ann Clunis, FNPFamily Nurse Practitioner1235864323
  6. Christina Dibenedetto, PA-CPhysician Assistant1396049169

Verify Elizabeth S. Won 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 251490
    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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98% fewer Medicare Part D claims than the average medical oncology physician in 2024

12 Medicare Part D claims, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D.

  1. Elizabeth Won12
  2. Specialty average703

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): 89.6 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. Qualityout of 100 · 30% of the final score81.9
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  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).

Industry payments in 2024: $46.34

1 payment: food and beverage; the largest payer was Merit Medical Systems Inc. The 3,343 providers of this specialty with any payment received $11,773.47 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Elizabeth Won$46
  2. Specialty average$11,773

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Elizabeth S. Won among 548 medical oncology physician records in New York

Elizabeth S. Won, MD is one of 548 medical oncology physician records with a practice address in New York. 80% 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 47% of them.

  • NPI issued2008 · 47% of these records are older, 43% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileNo · 71% of these records are
  • Record last updated2016 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

8 medical oncology physician records list a practice address in West Harrison

They are 8 of the 145 NPPES records with a practice address in West Harrison, and 548 medical oncology physician records in New York.

The 8 medical oncology physician records with the nearest ZIP codes

  1. Chung-Han Lee, MD, PHDWest Harrison, NY 106041841432903
  2. Michael May, MDWest Harrison, NY 106041295222305
  3. Parisa Momtaz, MDWest Harrison, NY 106041811156052
  4. Benoit RousseauWest Harrison, NY 106041629995592
  5. Rachel Sanford, M.D.West Harrison, NY 106041245557289
  6. Fernando Santini, M.D.West Harrison, NY 106041386197192
  7. Alice Zervoudakis, M.D.West Harrison, NY 106041306057963
  8. Kevin Wong, M.D.White Plains, NY 106011649666421

Common questions

What is Elizabeth S. Won, MD's NPI number?

Elizabeth S. Won, MD's National Provider Identifier (NPI) is 1013175439, issued on Jun 2, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Elizabeth S. Won, MD located?

The NPPES record lists a practice address at 500 Westchester Ave, West Harrison, NY, 10604. Phone: (646) 888-5113. Providers update this record themselves, so call before visiting.

How can I verify Elizabeth S. Won, MD's license?

NPPES lists New York license number 251490, 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 Elizabeth S. Won, MD prescribe under Medicare Part D?

In 2024, Elizabeth S. Won, MD had 12 Medicare Part D claims; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.

What is Elizabeth S. Won, MD's MIPS final score?

The 2023 MIPS final score is 89.6 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.