DR. ELIZABETH S WON MD
NPI 1013175439
Internal Medicine - Medical Oncology in West Harrison, NY

Q: What is Elizabeth Won's NPI number?

The NPI number for Elizabeth Won is 1013175439. It was assigned to this individual provider in the NPPES registry on June 2, 2008.

Q: What is Elizabeth Won's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Q: When was this NPI record last updated?

The NPPES record for Elizabeth Won was last updated on January 28, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 02, 2008PECOS Enrolled

91.57/100

CMS Quality Rating

500 WESTCHESTER AVE, WEST HARRISON, NY 10604(646) 888-5113 Get Directions Write a Review

NPPES record last updated: January 28, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. Elizabeth S Won Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ELIZABETH S WON MD (NPI 1013175439) is an individual medical oncology provider in West Harrison, New York, licensed in New York (251490) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1013175439

Entity TypeIndividualFemale

Primary Taxonomy207RX0202X

Provider Legal NameDR. ELIZABETH S WONCredential: MD

Location Address500 WESTCHESTER AVEWest Harrison, NY 10604-3200

Mailing Address633 3rd AveNew York, NY 10017-6706 · (212) 639-2000

Phone(646) 888-5113

Sole ProprietorNo

Enumeration DateJune 2, 2008

Last NPPES UpdateJanuary 28, 2016

✔ NPI 1013175439 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RX0202X

License✔ Licensed in NY · 251490

Definition

An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.

500 WESTCHESTER AVE, West Harrison, NY 10604

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Elizabeth S Won Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Elizabeth Won reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Msk Harrison

Same address

Medical Oncology

500 WESTCHESTER AVE
West Harrison, NY 10604

Reassigned Medicare billing, New York enrollment
328 clinicians in this Medicare group

NPI 1174923593 (212) 639-2000

Memorial Solid Tumor Group

Internal Medicine

1275 YORK AVE
New York, NY 10021

Reassigned Medicare billing, New York enrollment
514 clinicians in this Medicare group

NPI 1699746172 (646) 227-3813

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10604 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$203.53 typical visit price

range $67.40 – $203.53

Typical copayment $50.88 (range $16.85 – $50.88)

Most-billed visit code 99205

Established Patient

$117.62 typical visit price

range $21.66 – $164.45

Typical copayment $29.40 (range $5.41 – $41.11)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

91.57/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

86.43

Improvement Activities

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Capecitabine, oral, 500 mg J8521

Treatment-Treatment - Miscellaneous · category RX029N

2 suppliers90 claims6,166 services$0.70 avg. paid by Medicare

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511

Treatment-Chemotherapy · category RH012N

2 suppliers77 claims77 services$18.10 avg. paid by Medicare

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512

Treatment-Chemotherapy · category RH012N

2 suppliers13 claims13 services$12.63 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ANASTASIA MOORE

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