Irene Chuang, M.D.
NPI 1609949536 · Psychiatry Physician · Van Nuys, CA
Irene Chuang, M.D. is a Psychiatry Physician provider in Van Nuys, CA (NPI 1609949536).
Provider details
- NPI number
- 1609949536
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- A112712 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Olanzapine | 101 | 13 |
| Aripiprazole | 69 | 11 |
| Gabapentin | 55 | — |
| Fluoxetine Hcl | 53 | — |
| Bupropion Hclbrand: Bupropion Xl | 47 | — |
| Trazodone Hcl | 45 | — |
| Quetiapine Fumarate | 43 |
Practice location
Mailing address
Additional practice locations (1)
- 1329 Sw 16th Street4-074Gainesville, FL 32608Phone: (352) 265-7981
Registry dates
- Enumerated
- 2006-11-16
- Last updated
- 2026-04-27
- Certified
- 2026-04-27
Frequently asked questions
- What is Irene Chuang's NPI number?
- Irene Chuang's National Provider Identifier (NPI) is 1609949536, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Irene Chuang's specialty?
- Irene Chuang is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Irene Chuang located?
- Irene Chuang's practice location on file with NPPES is 16360 Roscoe Blvd Fl 2, Van Nuys, CA 91406-1219.
- What is Irene Chuang's phone number?
- The practice phone number listed in the NPPES registry for Irene Chuang is (818) 901-4830.
- Is Irene Chuang's NPI active?
- Yes — Irene Chuang's NPI (1609949536) is active in the NPPES registry as of the last update on 2026-04-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.