Irene Chuang, M.D.
Psychiatry Physician · Van Nuys, CA
Irene Chuang, M.D. is a psychiatry physician with a practice address in Van Nuys, California, and NPI 1609949536, issued on Nov 16, 2006. Check the license (California A112712, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Irene Chuang
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A112712 CA
Self-reported in NPPES; status is on the state search - Practice location
- 16360 Roscoe Blvd FL 2, Van Nuys, CA 91406
- Phone
- (818) 901-4830
- Enumerated
- Nov 16, 2006
- Record last updated
- Apr 27, 2026
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 16360 Roscoe Blvd FL 2
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gissella Mia AltamiranoMarriage & Family Therapist1962126318
- Cassandra AmbeMental Health Counselor1366228868
- Breanny AndradeClinical Social Worker1417617929
- Rebecca BlanchardStudent in an Organized Health Care Education/Training Program1962360636
- Rachel Bland, AMFTMarriage & Family Therapist1275346538
- Shawn CarothersLicensed Vocational Nurse1649730904
Verify Irene Chuang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A112712Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3% fewer Medicare Part D claims than the average psychiatry physician in 2024
972 Medicare Part D claims for 54 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Olanzapine101 claims
- Aripiprazole69 claims
- Gabapentin55 claims
- Fluoxetine Hcl53 claims
- Bupropion Xl47 claims
- Trazodone Hcl45 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.
Irene Chuang among 8,673 psychiatry physician records in California
Irene Chuang, 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 updated2026 · 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).
Psychiatry Physician providers in California
There are 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Van Nuys → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Andrew Davidowitz, M.D.Van Nuys, CA 914061841721867
- Cyril Mathai, MDVan Nuys, CA 914061932365632
- Yon Park, M.D.Van Nuys, CA 914061427477496
- Andrew Wang, M.D.Van Nuys, CA 914061265487524
- Ofik Babayan, MDVan Nuys, CA 914051396791844
- Maged Botros, MDVan Nuys, CA 914051619102738
- Marc Nehorayan, MDVan Nuys, CA 914051689763096
- James Rosenberg, MDVan Nuys, CA 914051801910294
Common questions
What is Irene Chuang, M.D.'s NPI number?
Irene Chuang, M.D.'s National Provider Identifier (NPI) is 1609949536, issued on Nov 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Irene Chuang, M.D. located?
The NPPES record lists a practice address at 16360 Roscoe Blvd FL 2, Van Nuys, CA, 91406. Phone: (818) 901-4830. Providers update this record themselves, so call before visiting.
How can I verify Irene Chuang, M.D.'s license?
NPPES lists California license number A112712, 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 Irene Chuang, M.D. prescribe under Medicare Part D?
In 2024, Irene Chuang, M.D. had 972 Medicare Part D claims for 54 beneficiaries; 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.