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Nurse Practitioner

Alexa Tjen, NP

Sees patients in Agoura Hills, CA · California

Summary

Alexa Tjen, NP (Nurse Practitioner) is enrolled with Medicare at 1 practice location in Agoura Hills, CA. NPI 1598469140. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Alexa Tjen, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Nurse PractitionerPrimary specialty
YesAccepts Medicare assignment
1Years since medical school (graduated 2025)
FemaleGender (as listed)
Family Psychological Services IncGroup practice

Quick answers

Where does Alexa Tjen see patients?
Medicare's clinician data lists 1 practice location in Agoura Hills, CA. Call before your visit to confirm the address.
What is Alexa Tjen's specialty?
Medicare lists Nurse Practitioner as the primary specialty.
Does Alexa Tjen accept Medicare assignment?
Yes. Medicare's clinician data says Alexa Tjen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Alexa Tjen?
(818) 707-7366, as listed in official Medicare / NPI Registry data.
What is Alexa Tjen's NPI number?
1598469140. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Alexa Tjen is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Alexa Tjen as a member of this group (CMS data updated 2026-10-02).

  • Family Psychological Services Inc16 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, California →

Other nurse practitioners in Agoura Hills

Clinicians with the same Medicare primary specialty in Agoura Hills, CA — not a recommendation.

All nurse practitioners in Agoura Hills →

Clinician information

CredentialNP
Graduation year2025
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1598469140
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians