ALEXA TJEN
NPI 1598469140
Nurse Practitioner - Psychiatric/Mental Health in Agoura Hills, CA
About Alexa Tjen NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEXA TJEN (NPI 1598469140) is an individual psychiatric/mental health provider in Agoura Hills, California, licensed in California (95035779) and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS, maintains a secondary practice location in Tarzana, and is a graduate of Other (2025).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Alexa Tjen is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91301 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Alexa Tjen's NPI number?
The NPI number for Alexa Tjen is 1598469140. It was assigned to this individual provider in the NPPES registry on March 28, 2023.
Where is Alexa Tjen located?
Alexa Tjen practices at 30495 Canwood St, Agoura Hills, CA 91301. The listed phone number is (818) 707-7366.
What is Alexa Tjen's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Alexa Tjen enrolled in Medicare?
Yes. Alexa Tjen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
When was this NPI record last updated?
The NPPES record for Alexa Tjen was last updated on June 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Alexa Tjen · NPI 1598469140
Psychiatric/Mental Health physician in Agoura Hills, California. Individual provider, active in the CMS NPPES registry since March 28, 2023.
## Identity
- **NPI:** 1598469140 (Entity type: Individual)
- **Enumerated:** March 28, 2023
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** 95035779 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 30495 CANWOOD ST, Agoura Hills, CA 91301-4331
- **Phone:** (818) 707-7366
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Other, class of 2025
## Record status
- **NPPES last updated:** June 26, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1598469140) · Data from the CMS NPPES public registry.