CRYSTAL MARIE SIMMONS
NPI 1619176708
Psychologist in Oakland, CA

Active since July 17, 2007
2940 SUMMIT ST STE 2D, OAKLAND, CA 94609(510) 601-0203(510) 601-4002 Get Directions Write a Review

NPPES record last updated: October 3, 2022. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Crystal Marie Simmons NPPES

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

CRYSTAL MARIE SIMMONS (NPI 1619176708) is an individual psychologist in Oakland, California, licensed in California (27437) and active in the NPI registry since July 2007.

NPPES Registry Identity

NPI1619176708
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameCRYSTAL MARIE SIMMONS
Location Address2940 SUMMIT ST STE 2DOakland, CA 94609-3416
Mailing Address2940 Summit St Ste 2dOakland, CA 94609-3416 · (510) 842-5186
Fax(510) 601-4002
Sole ProprietorYes
Enumeration DateJuly 17, 2007
Last NPPES UpdateOctober 3, 2022
NPPES CertifiedAugust 28, 2022
NPI 1619176708 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 · 27437
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 ListedPsychologist · SchoolTaxonomy 103TS0200X
2940 SUMMIT ST STE 2D, Oakland, CA 94609

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.

Psychiatry & Neurology (Psychiatry)
2940 SUMMIT ST STE 2D
OAKLAND, CA 94609
Health and Wellness Coach
2940 SUMMIT ST STE 2D
OAKLAND, CA 94609
Counselor (Mental Health)
2940 SUMMIT ST STE 2D
OAKLAND, CA 94609
Marriage & Family Therapist
2940 SUMMIT ST STE 2D
OAKLAND, CA 94609
Counselor (Mental Health)
2940 SUMMIT ST STE 2D
OAKLAND, CA 94609
Counselor (Mental Health)
2940 SUMMIT ST STE 2D
OAKLAND, CA 94609
Marriage & Family Therapist
2940 SUMMIT ST STE 2D
OAKLAND, CA 94609
Psychologist (Clinical)
2940 SUMMIT ST STE 2D
OAKLAND, CA 94609

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 Crystal Simmons's NPI number?

The NPI number for Crystal Simmons is 1619176708. It was assigned to this individual provider in the NPPES registry on July 17, 2007.

Where is Crystal Simmons located?

Crystal Simmons practices at 2940 Summit St Ste 2D, Oakland, CA 94609. The listed phone number is (510) 601-0203.

What is Crystal Simmons'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 Crystal Simmons was last updated on October 3, 2022. 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.