DR. TIMOTHY GUNN PSY.D.
NPI 1356466973
Psychologist in Rancho Cucamonga, CA

Active since March 20, 2007PECOS Enrolled
8300 UTICA AVE STE 245, RANCHO CUCAMONGA, CA 91730(909) 989-4055(909) 989-8005 Get Directions Write a Review

NPPES record last updated: July 19, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 19, 2023, Sep 21, 2018, Jun 15, 2018 (3 updates tracked since 2018).

About Dr. Timothy Gunn Psy.d. NPPES

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

DR. TIMOTHY GUNN PSY.D. (NPI 1356466973) is an individual psychologist in Rancho Cucamonga, California, licensed in California (PSY23190) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1356466973
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameDR. TIMOTHY GUNNCredential: PSY.D.
Location Address8300 UTICA AVE STE 245Rancho Cucamonga, CA 91730-3852
Mailing Address8300 Utica Ave Ste 245Rancho Cucamonga, CA 91730-3852 · (909) 989-4055 · Fax (909) 989-8005
Fax(909) 989-8005
Sole ProprietorYes
Enumeration DateMarch 20, 2007
Last NPPES UpdateJuly 19, 20233 updates tracked since enumeration
NPPES CertifiedJuly 19, 2023
NPI 1356466973 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License Licensed in CA · PSY23190
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.
8300 UTICA AVE STE 245, Rancho Cucamonga, CA 91730

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Timothy Gunn Psy.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Other Providers at the Same Location NPPES 17

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

Psychologist
8300 UTICA AVE STE 245
RANCHO CUCAMONGA, CA 91730
Psychologist (Clinical)
8300 UTICA AVE STE 245
RANCHO CUCAMONGA, CA 91730
Psychologist
8300 UTICA AVE STE 245
RANCHO CUCAMONGA, CA 91730
Psychologist
8300 UTICA AVE STE 245
RANCHO CUCAMONGA, CA 91730
Psychologist (Clinical)
8300 UTICA AVE STE 245
RANCHO CUCAMONGA, CA 91730
Psychologist (Clinical)
8300 UTICA AVE STE 245
RANCHO CUCAMONGA, CA 91730
Counselor (Mental Health)
8300 UTICA AVE STE 245
RANCHO CUCAMONGA, CA 91730
Psychologist
8300 UTICA AVE STE 245
RANCHO CUCAMONGA, CA 91730

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 Timothy Gunn's NPI number?

The NPI number for Timothy Gunn is 1356466973. It was assigned to this individual provider in the NPPES registry on March 20, 2007.

Where is Timothy Gunn located?

Timothy Gunn practices at 8300 Utica Ave Ste 245, Rancho Cucamonga, CA 91730. The listed phone number is (909) 989-4055.

What is Timothy Gunn's specialty?

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

Is Timothy Gunn enrolled in Medicare?

Yes. Timothy Gunn is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Timothy Gunn was last updated on July 19, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.