Dr. Iradj Siassi, MD

  • CA
  • Psychiatrist
NPI1508969395
Part D claims, 2024
12
Publications
25
Industry payments
$599
State licenses
4
Year NPI issued
2006
Practice address
CA
Professional email
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Personal email
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Mobile number
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Social profiles

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Dr. Iradj Siassi is a psychiatrist in California

Dr. Siassi practices in California.

Dr. Siassi's NPI, 1508969395, was assigned on September 7, 2006. Dr. Siassi graduated from Indiana University School Of Medicine in 1963. Dr. Siassi's California license number on file is C41142.

NPI and contact details
NPI enumeration date
September 7, 2006
NPI status
Active
Professional email
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Personal email
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Mobile number
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Medical school graduation
1963

Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data

Dmand AI tracks the EHR system at Dr. Iradj Siassi's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Siassi practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Dr. Siassi's practiceAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Iradj Siassi is one of 6,803 psychiatrists in California

Psychiatry is Dr. Siassi's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Siassi is board certified in psychiatry by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Siassi's licenses on file in 4 states: California, New Jersey, Maryland and Pennsylvania.

Specialties and state licenses

  • Psychiatry, CaliforniaPrimaryLicense C41142 · 1983 to 2025 · taxonomy 2084P0800X
  • New Jersey license
  • Maryland license1970 to 1993
  • Pennsylvania license1975 to 1990

Psychiatrists near Dr. Siassi

Counts of psychiatrists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Iradj Siassi wrote 12 Medicare Part D claims in 2024

In 2024, Dr. Siassi wrote 12 Medicare Part D claims. 100% of them were for generic drugs.

Part D claims, 202412

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Dr. Iradj Siassi has 25 publications on record

Dmand AI links 25 papers to Dr. Siassi. The most frequent topics are Mental Disorders, Attitude to Health and Labor Unions. Dr. Siassi has published most often in J Nerv Ment Dis.

Papers25

Topics Dr. Siassi writes about most

  • Mental Disorders
  • Attitude to Health
  • Labor Unions
  • Maryland
  • Methadone
  • Health Benefit Plans, Employee
  • Heroin Dependence
  • Iran

Recent publications by Dr. Siassi

See all 25 publications and co-authors

See who Dr. Siassi researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Siassi works with, so you can find a warm path to the right psychiatrists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Iradj Siassi received $599 in industry payments from 2016 to 2025

CMS Open Payments shows 8 general payments to Dr. Siassi from 6 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $211.

General payments to Dr. Siassi by program year, 2016 to 2025

Companies that paid Dr. Siassi the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Siassi

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Iradj Siassi graduated from Indiana University School Of Medicine

Dr. Siassi graduated from Indiana University School Of Medicine in 1963.

  1. Medical schoolIndiana University School Of Medicine
  2. Board certified in psychiatryAmerican Board of Psychiatry and Neurology

Source: Dmand AI Professional Profile Data

Sources for Dr. Iradj Siassi's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Iradj Siassi

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Iradj Siassi's NPI number?

Dr. Iradj Siassi's NPI number is 1508969395. It was assigned on September 7, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Iradj Siassi?

Dr. Iradj Siassi is a psychiatrist in California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).

What is Dr. Iradj Siassi's medical license number?

Dr. Siassi's California license number on file is C41142, one of the licenses on file in 4 states.

Which states has Dr. Iradj Siassi been licensed in?

Dmand AI has state licenses on file for Dr. Siassi in California (1983 to 2025), New Jersey, Maryland (1970 to 1993) and Pennsylvania (1975 to 1990).

Is Dr. Iradj Siassi board certified?

Yes. Dr. Siassi is board certified in psychiatry by the American Board of Psychiatry and Neurology.

Where did Dr. Iradj Siassi go to medical school?

Dr. Siassi graduated from Indiana University School Of Medicine in 1963.

Has Dr. Iradj Siassi received payments from drug or device companies?

CMS Open Payments shows $599 in general payments to Dr. Siassi from 6 companies from 2016 to 2025. The largest total came from Allergan Inc.

How long has Dr. Iradj Siassi been practicing?

Dr. Siassi graduated from medical school in 1963, 63 years ago.

Does Dr. Iradj Siassi do research?

Dmand AI links 25 publications to Dr. Siassi.

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