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DR. JOHN TIMBERLAKE PSY.D.
NPI 1881075281
Psychologist - Clinical in Los Alamitos, CA

Active since June 11, 2015
11278 LOS ALAMITOS BLVD UNIT 912, LOS ALAMITOS, CA 90720(562) 452-3299 Get Directions Write a Review

NPPES record last updated: December 11, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 11, 2025, Aug 27, 2017 (2 updates tracked since 2017).

About Dr. John Timberlake Psy.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JOHN TIMBERLAKE PSY.D. (NPI 1881075281) is an individual clinical provider in Los Alamitos, California, licensed in California (27332) and active in the NPI registry since June 2015.

NPPES Registry Identity

NPI1881075281
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameDR. JOHN TIMBERLAKECredential: PSY.D.
Location Address11278 LOS ALAMITOS BLVD UNIT 912Los Alamitos, CA 90720-3958
Mailing Address11278 Los Alamitos Blvd Unit 912Los Alamitos, CA 90720-3958 · (562) 452-3299
Phone(562) 452-3299
Sole ProprietorYes
Enumeration DateJune 11, 2015
Last NPPES UpdateDecember 11, 20252 updates tracked since enumeration
NPPES CertifiedDecember 11, 2025
✔ NPI 1881075281 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in CA · 27332
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
11278 LOS ALAMITOS BLVD UNIT 912, Los Alamitos, CA 90720
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Other Identifiers 1

Other27332CA · Board Of Psychology

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Psychotherapy, 1 hour 90837
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.
497 services30 patients

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 John Timberlake's NPI number?

The NPI number for John Timberlake is 1881075281. It was assigned to this individual provider in the NPPES registry on June 11, 2015.

Where is John Timberlake located?

John Timberlake practices at 11278 Los Alamitos Blvd Unit 912, Los Alamitos, CA 90720. The listed phone number is (562) 452-3299.

What is John Timberlake's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

When was this NPI record last updated?

The NPPES record for John Timberlake was last updated on December 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.