NPPES file of Aug 9, 2026

Isaiah Elijah Friedman, M.D.

Radiation Oncology Physician · Flushing, NY

Isaiah Elijah Friedman, M.D. is a radiation oncology physician with a practice address in Flushing, New York, and NPI 1407170319, issued on Mar 22, 2010. Check the license (New York 253834, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1407170319
Name
Isaiah Elijah Friedman
Credential
M.D.
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
253834 NY
Self-reported in NPPES; status is on the state search
Practice location
13640 39TH Ave Lowr Level, Flushing, NY 11354
Phone
(347) 532-2888
Enumerated
Mar 22, 2010
Record last updated
Apr 14, 2026
Fax
(718) 321-8620
Medicare enrollment
Enrolled (PECOS I20120615000004); accepts Medicare assignment
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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Verify Isaiah Elijah Friedman 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 253834
    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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46% fewer Medicare Part D claims than the average radiation oncology physician in 2024

73 Medicare Part D claims for 33 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.

  1. Isaiah Friedman73
  2. Specialty average134

Most prescribed

  1. Eligard15 claims
  2. Tamsulosin Hcl14 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.

Bills Medicare through 2 group practices

  1. Flushing Radiation Oncology Services, PLLCBrooklyn, NY
  2. Manhattan Radiation Oncology PLLCNew York, NY

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

Isaiah Elijah Friedman among 449 radiation oncology physician records in New York

Isaiah Elijah Friedman, M.D. is one of 449 radiation oncology physician records with a practice address in New York. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 62% of them.

  • NPI issued2010 · 62% of these records are older, 35% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2007 · median 2005 among the 331 with a school on file
  • Record last updated2026 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Radiation Oncology Physician providers in New York

There are 449 radiation oncology physician records in New York.

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Josephine Kang, M.D, PHDFlushing, NY 113541760654636
  2. Bong Song Kim, M.D.Flushing, NY 113541740223197
  3. Elisa Wu, M.D.Flushing, NY 113541689942005
  4. Vincent Yeung, M.D.Flushing, NY 113541487722104
  5. Lio Yu, MDFlushing, NY 113541932144995
  6. Hyesook Chang, M.D.Flushing, NY 113551396768057
  7. Steven Dibiase, MDFlushing, NY 113551750332292
  8. Baoqing Li, M.D.Flushing, NY 113551316026511

Common questions

What is Isaiah Elijah Friedman, M.D.'s NPI number?

Isaiah Elijah Friedman, M.D.'s National Provider Identifier (NPI) is 1407170319, issued on Mar 22, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Isaiah Elijah Friedman, M.D. located?

The NPPES record lists a practice address at 13640 39TH Ave Lowr Level, Flushing, NY, 11354. Phone: (347) 532-2888. Providers update this record themselves, so call before visiting.

How can I verify Isaiah Elijah Friedman, M.D.'s license?

NPPES lists New York license number 253834, 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 Isaiah Elijah Friedman, M.D. prescribe under Medicare Part D?

In 2024, Isaiah Elijah Friedman, M.D. had 73 Medicare Part D claims for 33 beneficiaries; the average among radiation oncology physician prescribers was 134. 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.