Iradj Siassi, M.D.
Psychiatry Physician · Sepulveda, CA
Iradj Siassi, M.D. is a psychiatry physician with a practice address in Sepulveda, California, and NPI 1508969395, issued on Sep 7, 2006. Check the license (California C41142, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Iradj Siassi
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- C41142 CA
Self-reported in NPPES; status is on the state search - Practice location
- 16111 Plummer St, Sepulveda, CA 91343
- Phone
- (818) 895-9314
- Enumerated
- Sep 7, 2006
- Record last updated
- Jul 21, 2022
- Fax
- (818) 895-9413
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 16111 Plummer St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Natalie Alcaras, NPPsychiatric/Mental Health Nurse Practitioner1437105202
- Debra Anton, OTR/LOccupational Therapist1992743769
- Ulysses Baje, B.S., RKTKinesiotherapist1609970276
- Lisa Barnett, P.T.Physical Therapist1215023908
- William Bateman, RPHPharmacotherapy Pharmacist1003928722
- Barbara Bates-Jensen, PHD, RNMedical-Surgical Registered Nurse1144306804
Verify Iradj Siassi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C41142Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average psychiatry physician in 2024
12 Medicare Part D claims, against an average of 1,000 among the 35,054 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.
Iradj Siassi among 8,673 psychiatry physician records in California
Iradj Siassi, M.D. is one of 8,673 psychiatry physician records with a practice address in California. 67% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 67% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2022 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 psychiatry physician records list a practice address in Sepulveda
They are 3 of the 72 NPPES records with a practice address in Sepulveda, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Sepulveda → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Mara Blakis, M.DNorth Hills, CA 913431497867634
- Young Mee Choi, M.D.North Hills, CA 913431023115722
- Neel Doshi, D.O.North Hills, CA 913431225289580
- Yamanda Edwards, M.D.North Hills, CA 913431396180428
- Ed Fik, MDSepulveda, CA 913431669425542
- Christopher Kessler, M.D.Sepulveda, CA 913431730290909
- Elliot Lee, M.D.North Hills, CA 913431093126021
- James Mervis, M.D.North Hills, CA 913431831276450
Common questions
What is Iradj Siassi, M.D.'s NPI number?
Iradj Siassi, M.D.'s National Provider Identifier (NPI) is 1508969395, issued on Sep 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Iradj Siassi, M.D. located?
The NPPES record lists a practice address at 16111 Plummer St, Sepulveda, CA, 91343. Phone: (818) 895-9314. Providers update this record themselves, so call before visiting.
How can I verify Iradj Siassi, M.D.'s license?
NPPES lists California license number C41142, 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 Iradj Siassi, M.D. prescribe under Medicare Part D?
In 2024, Iradj Siassi, M.D. had 12 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. 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.