Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

LILY GRACE ARVIZU
NPI 1316852098
Psychologist in Fountain Valley, CA

Active since August 17, 2026
18350 MOUNT LANGLEY ST, FOUNTAIN VALLEY, CA 92708(714) 378-2620 Get Directions Write a Review

NPPES record added: August 17, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Lily Grace Arvizu NPPES

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

LILY GRACE ARVIZU (NPI 1316852098) is an individual psychologist in Fountain Valley, California and active in the NPI registry since August 2026.

NPPES Registry Identity

NPI1316852098
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameLILY GRACE ARVIZU
Location Address18350 MOUNT LANGLEY STFountain Valley, CA 92708-6900
Mailing Address18350 Mount Langley StFountain Valley, CA 92708-6900 · (714) 378-2620
Sole ProprietorNo
Enumeration DateAugust 17, 2026
NPPES CertifiedAugust 17, 2026
NPI 1316852098 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.
18350 MOUNT LANGLEY ST, Fountain Valley, CA 92708

Other Providers at the Same Location NPPES 20

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

Speech-Language Pathologist
18350 MOUNT LANGLEY ST, #105
FOUNTAIN VALLEY, CA 92708
Specialist/Technologist (Speech-Language Assistant)
18350 MOUNT LANGLEY ST, #105
FOUNTAIN VALLEY, CA 92708
Occupational Therapist (Pediatrics)
18350 MOUNT LANGLEY ST, #105
FOUNTAIN VALLEY, CA 92708
Occupational Therapist (Pediatrics)
18350 MOUNT LANGLEY ST, #105
FOUNTAIN VALLEY, CA 92708
Social Worker
18350 MOUNT LANGLEY ST, # 140
FOUNTAIN VALLEY, CA 92708
Case Management
18350 MOUNT LANGLEY ST, SUITE 220
FOUNTAIN VALLEY, CA 92708
Behavior Analyst
18350 MOUNT LANGLEY ST, #105
FOUNTAIN VALLEY, CA 92708
Counselor (Mental Health)
18350 MOUNT LANGLEY ST, SUITE 220
FOUNTAIN VALLEY, CA 92708

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 Lily Arvizu's NPI number?

The NPI number for Lily Arvizu is 1316852098. It was assigned to this individual provider in the NPPES registry on August 17, 2026.

Where is Lily Arvizu located?

Lily Arvizu practices at 18350 Mount Langley St, Fountain Valley, CA 92708. The listed phone number is (714) 378-2620.

What is Lily Arvizu'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 Lily Arvizu was last updated on August 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 days 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.