Benjamin Izar, MD
Medical Oncology Physician · New York, NY
Benjamin Izar, MD is a medical oncology physician with a practice address in New York, New York, and NPI 1104107622, issued on Aug 30, 2011. Check the license (New York 301965, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Benjamin Izar
- Credential
- MD
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License numbers
- 301965 NY
L-247883 MA
Self-reported in NPPES; status is on the state search - Practice location
- 161 Fort Washington Ave FL 9, New York, NY 10032
- Phone
- (646) 317-6041
- Enumerated
- Aug 30, 2011
- Record last updated
- Jan 17, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200213002977); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 161 Fort Washington Ave FL 9
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Estelle Johansen, AGACNP-BC, RNAcute Care Nurse Practitioner1326690819
- Kimberly Komatsubara, MDInternal Medicine Physician1992094734
- Eun-Ju Lee, M.D.Hematology (Internal Medicine) Physician1184941288
- Julia McGuinness, M.D.Medical Oncology Physician1003201435
- Mark Stein, MDMedical Oncology Physician1568549319
- Mara Zink, NPAcute Care Nurse Practitioner1780922948
Verify Benjamin Izar 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 301965Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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. Brand-name drugs were 0% of 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: $2,009.99
1 payment: consulting fee; the largest payer was GlaxoSmithKline, LLC. 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).
Medical Oncology Physician providers in New York
There are 548 medical oncology physician records in New York.
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- David Aggen, M.D., PH.D.New York, NY1194168955
- Carol Aghajanian, MDNew York, NY1275570533
- Omobolaji Akala, MD/PHDNew York, NY1366735722
- Duaa Al Rawi, MD PHDNew York, NY1356838353
- Louis Aledort, MDNew York, NY1861424061
- Reem AlsuwailemNew York, NY1689412801
Common questions
What is Benjamin Izar, MD's NPI number?
Benjamin Izar, MD's National Provider Identifier (NPI) is 1104107622, issued on Aug 30, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Benjamin Izar, MD located?
The NPPES record lists a practice address at 161 Fort Washington Ave FL 9, New York, NY, 10032. Phone: (646) 317-6041. Providers update this record themselves, so call before visiting.
How can I verify Benjamin Izar, MD's license?
NPPES lists New York license number 301965, 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 Benjamin Izar, MD prescribe under Medicare Part D?
In 2024, Benjamin Izar, MD had 12 Medicare Part D claims; 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.