DR. CLAUDIA RENATE VIAZZOLI PSY.D.
NPI 1487706131
Psychologist in Mill Valley, CA

Active since January 16, 2007
311 MILLER AVE STE L, MILL VALLEY, CA 94941(415) 755-8084(415) 459-3715 Get Directions Write a Review

NPPES record last updated: June 11, 2019. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 11, 2019, May 29, 2019 (2 updates tracked since 2019).

About Dr. Claudia Renate Viazzoli Psy.d. NPPES

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

DR. CLAUDIA RENATE VIAZZOLI PSY.D. (NPI 1487706131) is an individual psychologist in Mill Valley, California, licensed in California (19641) and active in the NPI registry since January 2007.

NPPES Registry Identity

NPI1487706131
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameDR. CLAUDIA RENATE VIAZZOLICredential: PSY.D.
Location Address311 MILLER AVE STE LMill Valley, CA 94941-2897
Mailing AddressPo Box 523San Geronimo, CA 94963-0523 · (415) 755-8084 · Fax (415) 459-3715
Fax(415) 459-3715
Sole ProprietorYes
Enumeration DateJanuary 16, 2007
Last NPPES UpdateJune 11, 20192 updates tracked since enumeration
NPI 1487706131 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 · 19641
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 · Clinical Child & AdolescentTaxonomy 103TC2200X · License PSY19641 (CA)
311 MILLER AVE STE L, Mill Valley, CA 94941

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 Claudia Viazzoli's NPI number?

The NPI number for Claudia Viazzoli is 1487706131. It was assigned to this individual provider in the NPPES registry on January 16, 2007.

Where is Claudia Viazzoli located?

Claudia Viazzoli practices at 311 Miller Ave Ste L, Mill Valley, CA 94941. The listed phone number is (415) 755-8084.

What is Claudia Viazzoli'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 Claudia Viazzoli was last updated on June 11, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.