Homayoun Nassiri, M.D.
Emergency Medicine Physician · Van Nuys, CA
Homayoun Nassiri, M.D. is an emergency medicine physician with a practice address in Van Nuys, California, and NPI 1285747584, issued on Aug 17, 2006. Check the license (California A33224, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Homayoun Nassiri
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A33224 CA
Self-reported in NPPES; status is on the state search - Practice location
- 15107 Vanowen St, Van Nuys, CA 91405
- Phone
- (818) 902-2990
- Enumerated
- Aug 17, 2006
- Record last updated
- Jun 13, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (818) 904-3793
- Medicaid ID
- 00A332240 CA
- Medicare enrollment
- Enrolled (PECOS I20040927000726); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 15107 Vanowen St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gabriel Alarcon, PAPhysician Assistant1619600608
- Daniel Amde, M.D,Internal Medicine Physician1316218456
- George Andros, M.D.Vascular Surgery Physician1972540540
- Raana Anwaruddin, M.D.Anesthesiology Physician1609065754
- Cristen ArmelSpeech-Language Pathologist1245584994
- Stanley Azen, M.D.Emergency Medicine Physician1457392847
Verify Homayoun Nassiri in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A33224Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average emergency medicine physician in 2024
60 Medicare Part D claims for 47 beneficiaries, against an average of 226 among the 54,106 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
- Mend Health IncSherman Oaks, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Homayoun Nassiri among 7,751 emergency medicine physician records in California
Homayoun Nassiri, M.D. is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 60% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1970 · median 2011 among the 4,560 with a school on file
- Record last updated2008 · 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 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Van Nuys → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Stanley Azen, M.D.Van Nuys, CA 914051457392847
- Paul Batmanis, M.D.Van Nuys, CA 914051427071588
- Mark Bell, M.D.Van Nuys, CA 914051588607410
- Frank Gillingham, M.D.Van Nuys, CA 914051174579452
- Thomas Lambert, M.D.Van Nuys, CA 914051285672550
- Apostolos Lekkos, DOVan Nuys, CA 914051508854225
- Bijan Motamedi, M.D.Van Nuys, CA 914051801834171
- Scott Narimatsu, M.D.Van Nuys, CA 914051275563058
Common questions
What is Homayoun Nassiri, M.D.'s NPI number?
Homayoun Nassiri, M.D.'s National Provider Identifier (NPI) is 1285747584, issued on Aug 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Homayoun Nassiri, M.D. located?
The NPPES record lists a practice address at 15107 Vanowen St, Van Nuys, CA, 91405. Phone: (818) 902-2990. Providers update this record themselves, so call before visiting.
How can I verify Homayoun Nassiri, M.D.'s license?
NPPES lists California license number A33224, 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 Homayoun Nassiri, M.D. prescribe under Medicare Part D?
In 2024, Homayoun Nassiri, M.D. had 60 Medicare Part D claims for 47 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.