Zahra Ghiassi-Nejad, MD, PHD
Radiation Oncology Physician · New York, NY
Zahra Ghiassi-Nejad, MD, PHD is a radiation oncology physician with a practice address in New York, New York, and NPI 1982946505, issued on Mar 21, 2013. Check the license (New York 276584, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Zahra Ghiassi-Nejad
- Credential
- MD, PHD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 276584 NY
Self-reported in NPPES; status is on the state search - Practice location
- 622 West 168TH Street, New York, NY 10032
- Phone
- (212) 305-5050
- Enumerated
- Mar 21, 2013
- Record last updated
- May 2, 2023
- Medicare enrollment
- Enrolled (PECOS I20181205001550); accepts Medicare assignment
- Medical or professional school
- Icahn School Of Medicine At Mount Sinai, 2013
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 449 in New York → Look up another NPI →
Also registered at 622 West 168TH Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Firas Ahmed, MDDiagnostic Radiology Physician1427341551
- Sophia Assem, CRNACertified Registered Nurse Anesthetist1083856207
- Eve Beaudry Simoneau, MD PHDTransplant Surgery Physician1104346675
- Brooke Q Blair, M.S., CCC-SLPSpeech-Language Pathologist1497960991
- Nina Brogle, MDDiagnostic Radiology Physician1922055854
- K. S. Clifford Chao, M.D.Radiation Oncology Physician1215038344
Verify Zahra Ghiassi-Nejad 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 276584Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average radiation oncology physician in 2024
11 Medicare Part D claims, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
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 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).
Zahra Ghiassi-Nejad among 449 radiation oncology physician records in New York
Zahra Ghiassi-Nejad, MD, PHD 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 2013, is newer than 71% of them.
- NPI issued2013 · 71% of these records are older, 28% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2013 · median 2005 among the 331 with a school on file
- Record last updated2023 · 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.
All 449 in New York → Every provider in New York → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- K. S. Clifford Chao, M.D.New York, NY 100321215038344
- Simon Cheng, MD, PHDNew York, NY 100321639360100
- Eileen Connolly, M.D.New York, NY 100321730372160
- Israel Deutsch, M.D.New York, NY 100321033315908
- Matthew Gallitto, MD, PHDNew York, NY 100321396204616
- David Horowitz, M.D.New York, NY 100321841425717
- Ashish Jani, M.D.New York, NY 100321770879223
- Lisa Kachnic, MDNew York, NY 100321962493874
Common questions
What is Zahra Ghiassi-Nejad, MD, PHD's NPI number?
Zahra Ghiassi-Nejad, MD, PHD's National Provider Identifier (NPI) is 1982946505, issued on Mar 21, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Zahra Ghiassi-Nejad, MD, PHD located?
The NPPES record lists a practice address at 622 West 168TH Street, New York, NY, 10032. Phone: (212) 305-5050. Providers update this record themselves, so call before visiting.
How can I verify Zahra Ghiassi-Nejad, MD, PHD's license?
NPPES lists New York license number 276584, 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 Zahra Ghiassi-Nejad, MD, PHD prescribe under Medicare Part D?
In 2024, Zahra Ghiassi-Nejad, MD, PHD had 11 Medicare Part D claims; 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.