Zahra Sadat Hamedi, MD
Hematology & Oncology Physician · Orange, CA
Zahra Sadat Hamedi, MD is a hematology & oncology physician with a practice address in Orange, California, and NPI 1053974451, issued on Apr 21, 2019. Check the license (California A200807, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Zahra Sadat Hamedi
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- A200807 CA
Self-reported in NPPES; status is on the state search - Practice location
- 101 The City Dr S Bldg 23, Orange, CA 92868
- Phone
- (714) 456-7890
- Enumerated
- Apr 21, 2019
- Record last updated
- Jul 11, 2025
- Medicare enrollment
- Enrolled (PECOS I20250917004576); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →
Also registered at 101 The City Dr S Bldg 23
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Annamarie Bedia, NPNurse Practitioner1780875005
- Elizabeth Brem, MDHematology & Oncology Physician1578883781
- Krishna Hanubal, MDRadiation Oncology Physician1568154458
- Garrett Harada, MDRadiation Oncology Physician1831726330
- Jeremy Harris, MDRadiation Oncology Physician1922427053
- Deepa Jeyakumar, M.D.Hematology & Oncology Physician1356541502
Verify Zahra Sadat Hamedi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A200807Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
81 Medicare Part D claims for 21 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D.
Most prescribed
- Imatinib Mesylate12 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: $136.78
2 payments; by number, the most common kind was food and beverage; the largest payer was Tempus AI, Inc. The 8,560 providers of this specialty with any payment received $7,481.41 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
- UC RegentsOrange, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Zahra Sadat Hamedi among 1,583 hematology & oncology physician records in California
Zahra Sadat Hamedi, MD is one of 1,583 hematology & oncology physician records with a practice address in California. 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 2019, is newer than 95% of them.
- NPI issued2019 · 95% of these records are older, 3% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2014 · median 2003 among the 1,124 with a school on file
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in California
There are 1,583 hematology & oncology physician records in California.
All 1,583 in California → Every provider in Orange → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Timothy Byun, MDOrange, CA 928681871545012
- Warren Chow, MDOrange, CA 928681093822017
- Paul Coluzzi, M.D.Orange, CA 928681972563906
- Mihaela Cristea, MDOrange, CA 928681417050998
- Sam Huang, M.D.Orange, CA 928681841248812
- Tiberio Lindgren, MDOrange, CA 928681275585424
- John Link, MDOrange, CA 928681245281211
- Steven Lipkin, MDOrange, CA 928681134153547
Common questions
What is Zahra Sadat Hamedi, MD's NPI number?
Zahra Sadat Hamedi, MD's National Provider Identifier (NPI) is 1053974451, issued on Apr 21, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Zahra Sadat Hamedi, MD located?
The NPPES record lists a practice address at 101 The City Dr S Bldg 23, Orange, CA, 92868. Phone: (714) 456-7890. Providers update this record themselves, so call before visiting.
How can I verify Zahra Sadat Hamedi, MD's license?
NPPES lists California license number A200807, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Zahra Sadat Hamedi, MD prescribe under Medicare Part D?
In 2024, Zahra Sadat Hamedi, MD had 81 Medicare Part D claims for 21 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.