Alexander Chen
NPI 1194256669 · Psychiatry Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexander Chen is a Psychiatry Physician provider in Los Angeles, CA (NPI 1194256669).
Provider details
- NPI number
- 1194256669
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- A160654 (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
9 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 · 41 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Trazodone Hcl | 188 | 27 |
| Quetiapine Fumarate | 122 | 19 |
| Mirtazapine | 110 | 12 |
| Fluoxetine Hcl | 107 | 15 |
| Sertraline Hcl | 100 | 14 |
| Escitalopram Oxalate | 97 | 13 |
| Buspirone Hcl | 97 |
Practice location
Mailing address
Additional practice locations (1)
- 300 Hillmont AveVentura, CA 93003-1651Phone: (805) 652-6000
Registry dates
- Enumerated
- 2017-03-25
- Last updated
- 2024-05-03
- Certified
- 2024-05-03
Frequently asked questions
- What is Alexander Chen's NPI number?
- Alexander Chen's National Provider Identifier (NPI) is 1194256669, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexander Chen's specialty?
- Alexander Chen is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Alexander Chen located?
- Alexander Chen's practice location on file with NPPES is 1200 N State St, Los Angeles, CA 90033-1029.
- What is Alexander Chen's phone number?
- The practice phone number listed in the NPPES registry for Alexander Chen is (323) 452-3814.
- Does Alexander Chen accept Medicare?
- Alexander Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexander Chen's NPI active?
- Yes — Alexander Chen's NPI (1194256669) is active in the NPPES registry as of the last update on 2024-05-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.