DR. ISAAC YITZHAK TAITZ PHD
NPI 1255889887
Psychologist in Aliso Viejo, CA

Active since September 12, 2016
15 ENTERPRISE STE 250, ALISO VIEJO, CA 92656(949) 522-7500(949) 522-7600 Get Directions Write a Review

NPPES record last updated: March 3, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 3, 2026, Dec 23, 2020, Oct 21, 2020 and 1 more (4 updates tracked since 2016).

About Dr. Isaac Yitzhak Taitz Phd NPPES

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

DR. ISAAC YITZHAK TAITZ PHD (NPI 1255889887) is an individual psychologist in Aliso Viejo, California, licensed in California (PSY32299) and active in the NPI registry since September 2016.

NPPES Registry Identity

NPI1255889887
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameDR. ISAAC YITZHAK TAITZCredential: PHD
Location Address15 ENTERPRISE STE 250Aliso Viejo, CA 92656-2654
Mailing Address15 Enterprise Ste 250Aliso Viejo, CA 92656-2654 · (949) 522-7500 · Fax (949) 522-7600
Fax(949) 522-7600
Sole ProprietorYes
Enumeration DateSeptember 12, 2016
Last NPPES UpdateMarch 3, 20264 updates tracked since enumeration
NPPES CertifiedMarch 3, 2026
NPI 1255889887 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License Licensed in CA · PSY32299
Definition
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X
15 ENTERPRISE STE 250, Aliso Viejo, CA 92656

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Health and Wellness Coach
15 ENTERPRISE STE 250
ALISO VIEJO, CA 92656
Social Worker (Clinical)
15 ENTERPRISE STE 250
ALISO VIEJO, CA 92656
Psychologist (Clinical)
15 ENTERPRISE STE 250
ALISO VIEJO, CA 92656

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 Isaac Taitz's NPI number?

The NPI number for Isaac Taitz is 1255889887. It was assigned to this individual provider in the NPPES registry on September 12, 2016.

Where is Isaac Taitz located?

Isaac Taitz practices at 15 Enterprise Ste 250, Aliso Viejo, CA 92656. The listed phone number is (949) 522-7500.

What is Isaac Taitz's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

When was this NPI record last updated?

The NPPES record for Isaac Taitz was last updated on March 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.