ALEK IRVING MARANTZ
NPI 1356939086
Psychologist in Orange, CA

Active since January 07, 2021
1120 W LA VETA AVE STE 400, ORANGE, CA 92868(714) 509-8481 Get Directions Write a Review

NPPES record last updated: January 30, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Jan 30, 2026, Jan 9, 2026, Jan 7, 2021 (3 updates tracked since 2021).

About Alek Irving Marantz NPPES

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

ALEK IRVING MARANTZ (NPI 1356939086) is an individual psychologist in Orange, California and active in the NPI registry since January 2021.

NPPES Registry Identity

NPI1356939086
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameALEK IRVING MARANTZ
Location Address1120 W LA VETA AVE STE 400Orange, CA 92868-4243
Mailing Address1120 W La Veta Ave Ste 400Orange, CA 92868-4243 · (714) 509-8481
Sole ProprietorNo
Enumeration DateJanuary 7, 2021
Last NPPES UpdateJanuary 30, 20263 updates tracked since enumeration
NPPES CertifiedJanuary 30, 2026
NPI 1356939086 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
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.
1120 W LA VETA AVE STE 400, Orange, CA 92868

Other Providers at the Same Location NPPES 7

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

Marriage & Family Therapist
1120 W LA VETA AVE STE 400
ORANGE, CA 92868
Student in an Organized Health Care Education/Training Program
1120 W LA VETA AVE STE 400
ORANGE, CA 92868
Psychologist (Clinical)
1120 W LA VETA AVE STE 400
ORANGE, CA 92868
Marriage & Family Therapist
1120 W LA VETA AVE STE 400
ORANGE, CA 92868
Psychologist (Clinical)
1120 W LA VETA AVE STE 400
ORANGE, CA 92868
Marriage & Family Therapist
1120 W LA VETA AVE STE 400
ORANGE, CA 92868
Clinic/Center (Mental Health (Including Community Mental Health Center))
1120 W LA VETA AVE STE 400
ORANGE, CA 92868

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 Alek Marantz's NPI number?

The NPI number for Alek Marantz is 1356939086. It was assigned to this individual provider in the NPPES registry on January 7, 2021.

Where is Alek Marantz located?

Alek Marantz practices at 1120 W La Veta Ave Ste 400, Orange, CA 92868. The listed phone number is (714) 509-8481.

What is Alek Marantz'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 Alek Marantz was last updated on January 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.