NPPES file of Aug 9, 2026

Alexa Tjen

Psychiatric/Mental Health Nurse Practitioner · Agoura Hills, CA

Alexa Tjen is a psychiatric/mental health nurse practitioner with a practice address in Agoura Hills, California, and NPI 1598469140, issued on Mar 28, 2023. Check the license (California 95035779, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1598469140
Name
Alexa Tjen
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License numbers
95035779 CA
95234508 CA
Self-reported in NPPES; status is on the state search
Practice location
30495 Canwood St, Agoura Hills, CA 91301
Phone
(818) 707-7366
Enumerated
Mar 28, 2023
Record last updated
Jun 26, 2025
Medicare enrollment
Enrolled (PECOS I20251001001667); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest psychiatric/mental health nurse practitioner records → All 4,226 in California → Look up another NPI →

Also registered at 30495 Canwood St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Philip Berger, BPHARMPharmacist1053701540

Verify Alexa Tjen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 95035779    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

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Bills Medicare through one group practice

  1. Family Psychological Services IncAgoura Hills, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Alexa Tjen among 4,226 psychiatric/mental health nurse practitioner records in California

Alexa Tjen is one of 4,226 psychiatric/mental health nurse practitioner records with a practice address in California. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 62% of them.

  • NPI issued2023 · 62% of these records are older, 28% newer
  • In a Medicare fileYes · 62% of these records are
  • In the CMS Doctors and Clinicians fileYes · 46% of these records are
  • Graduated2025 · median 2021 among the 1,965 with a school on file
  • Record last updated2025 · 16% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

11 psychiatric/mental health nurse practitioner records list a practice address in Agoura Hills

They are 11 of the 541 NPPES records with a practice address in Agoura Hills, and 4,226 psychiatric/mental health nurse practitioner records in California.

All 4,226 in California → Every provider in Agoura Hills → Psychiatric/Mental Health Nurse Practitioner nationwide →

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Morgan Chadderton, PMHNPAgoura Hills, CA 913011861261554
  2. Christopher Go, PMHNP-BCAgoura Hills, CA 913011083221568
  3. Mina Heydari, PMHNP-BCAgoura Hills, CA 913011992275762
  4. Valentina Ira, PMHNPCalabasas, CA 913011093413163
  5. Young Tae Lee, PNHNPAgoura Hills, CA 913011225780562
  6. Leyla Mallak, RN, MSN, PMHNP-BCAgoura Hills, CA 913011780452417
  7. Hedieh NajafiAgoura Hills, CA 913011497681423
  8. Jaroslava Pohankova, PMHNP-BC, MSN, RN-BCAgoura Hills, CA 913011609501022

Common questions

What is Alexa Tjen's NPI number?

Alexa Tjen's National Provider Identifier (NPI) is 1598469140, issued on Mar 28, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Alexa Tjen located?

The NPPES record lists a practice address at 30495 Canwood St, Agoura Hills, CA, 91301. Phone: (818) 707-7366. Providers update this record themselves, so call before visiting.

How can I verify Alexa Tjen's license?

NPPES lists California license number 95035779, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.