Sunil Girish Iyer, M.D.
Medical Oncology Physician · New York, NY
Sunil Girish Iyer, M.D. is a medical oncology physician with a practice address in New York, New York, and NPI 1033642657, issued on Apr 10, 2017. Check the license (New York 324199, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Sunil Girish Iyer
- Credential
- M.D.
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License numbers
- 324199 NY
24560 FL
Self-reported in NPPES; status is on the state search - Practice location
- 161 Fort Washington Ave, New York, NY 10032
- Phone
- (212) 305-5098
- Enumerated
- Apr 10, 2017
- Record last updated
- Jul 14, 2023
- Medicare enrollment
- Enrolled (PECOS I20230815002485); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 548 in New York → Look up another NPI →
Also registered at 161 Fort Washington Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maura Abbott, NP, PHDNurse Practitioner1881876415
- Alexey Abramov, M.D.Student in an Organized Health Care Education/Training Program1063874519
- Julian Abrams, M.D.Gastroenterology Physician1669494746
- Alex Addo, MDSurgery Physician1841685054
- Aradhna AgarwalRheumatology Physician1669009312
- Christopher Ahmad, MDOrthopaedic Surgery Physician1598795445
Verify Sunil Girish Iyer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 324199Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average medical oncology physician in 2024
269 Medicare Part D claims for 30 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.
Most prescribed
- Valacyclovir29 claims
- Sprycel19 claims
- Cresemba14 claims
- Levofloxacin13 claims
- Venclexta13 claims
- Ondansetron Hcl12 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.
Industry payments in 2024: $900.12
9 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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.
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
- Trustees OF Columbia University IN The City OF New YorkNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sunil Girish Iyer among 548 medical oncology physician records in New York
Sunil Girish Iyer, M.D. 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 2017, is newer than 86% of them.
- NPI issued2017 · 86% of these records are older, 12% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2017 · 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.
All 548 in New York → Every provider in New York → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Charles Drake, M.D.New York, NY 100321346297397
- Michael Flamm, M.D.New York, NY 100321477520369
- Stanley Frankel, M.D.New York, NY 100321396785879
- Edward GelmannNew York, NY 100321285632067
- Aiwu He, MD, PHDNew York, NY 100321942306360
- Kevin Kalinsky, M.D.New York, NY 100321669430310
- Nicole Lamanna, MDNew York, NY 100321164493102
- Suzanne Lentzsch, MDNew York, NY 100321104853324
Common questions
What is Sunil Girish Iyer, M.D.'s NPI number?
Sunil Girish Iyer, M.D.'s National Provider Identifier (NPI) is 1033642657, issued on Apr 10, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Sunil Girish Iyer, M.D. located?
The NPPES record lists a practice address at 161 Fort Washington Ave, New York, NY, 10032. Phone: (212) 305-5098. Providers update this record themselves, so call before visiting.
How can I verify Sunil Girish Iyer, M.D.'s license?
NPPES lists New York license number 324199, 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 Sunil Girish Iyer, M.D. prescribe under Medicare Part D?
In 2024, Sunil Girish Iyer, M.D. had 269 Medicare Part D claims for 30 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.
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.