NPPES file of Aug 9, 2026

Nancy Chan, MD

Medical Oncology Physician · New York, NY

Nancy Chan, MD is a medical oncology physician with a practice address in New York, New York, and NPI 1275860892, issued on Nov 4, 2009. Check the license (New York 262360, 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
1275860892
Name
Nancy Chan
Credential
MD
Primary taxonomy
Medical Oncology Physician 207RX0202X
License number
262360 NY
Self-reported in NPPES; status is on the state search
Practice location
160 E 34TH St, New York, NY 10016
Phone
(212) 731-5349
Enumerated
Nov 4, 2009
Record last updated
May 8, 2023
Medicare enrollment
Enrolled (PECOS I20211025001551); accepts Medicare assignment
Medical or professional school
State University Of New York At Stony Brook, School Of Medicine, 2008
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 160 E 34TH St

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

  1. Anna-Olivia AndersonAdult Health Nurse Practitioner1982573069
  2. Samantha Aquino, N.P.Nurse Practitioner1922477488
  3. Deborah Axelrod, MDSurgical Oncology Physician1386644573
  4. Kanika Ballani, PHARM.D.Pharmacist1144534629
  5. Marc Ballas, M.D., M.P.H.Medical Oncology Physician1952527269
  6. Teresa-Lovelace Bangwa, L.M.T.Massage Therapist1922544188

Verify Nancy Chan 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 262360
    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

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88% fewer Medicare Part D claims than the average medical oncology physician in 2024

84 Medicare Part D claims for 32 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D.

  1. Nancy Chan84
  2. Specialty average703

Most prescribed

  1. Letrozole53 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): 84.5 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 score93.3
  2. Costout of 100 · 30%54.9
  3. Promoting interoperabilityout of 100 · 25%100.0
  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).

Industry payments in 2024: $4,001.52

5 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. 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. Nancy Chan$4,002
  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.

Bills Medicare through one group practice

  1. New York UniversityNew York, NY

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

Nancy Chan among 548 medical oncology physician records in New York

Nancy Chan, 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 2009, is newer than 57% of them.

  • NPI issued2009 · 57% of these records are older, 38% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2008 · median 2005 among the 389 with a school on file
  • Record last updated2023 · 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).

Medical Oncology Physician providers in New York

There are 548 medical oncology physician records in New York.

The 8 medical oncology physician records with the nearest ZIP codes

  1. Marc Ballas, M.D., M.P.H.New York, NY 100161952527269
  2. Daniel Cho, M.D.New York, NY 100161750306783
  3. Francisco Esteva, M.D., PHDNew York, NY 100161609974245
  4. Robert Ilaria, M.D.New York, NY 100161720177934
  5. Arjun Iyengar, M.DNew York, NY 100161053603340
  6. Janice MehnertNew York, NY 100161962617472
  7. Coral Omene, M.D., PH.DNew York, NY 100161861688988
  8. Ruth Oratz, MDNew York, NY 100161275625592

Common questions

What is Nancy Chan, MD's NPI number?

Nancy Chan, MD's National Provider Identifier (NPI) is 1275860892, issued on Nov 4, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Nancy Chan, MD located?

The NPPES record lists a practice address at 160 E 34TH St, New York, NY, 10016. Phone: (212) 731-5349. Providers update this record themselves, so call before visiting.

How can I verify Nancy Chan, MD's license?

NPPES lists New York license number 262360, 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 Nancy Chan, MD prescribe under Medicare Part D?

In 2024, Nancy Chan, MD had 84 Medicare Part D claims for 32 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.

What is Nancy Chan, MD's MIPS final score?

The 2023 MIPS final score is 84.5 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.