JOHN MANFRED MAAS EDD
NPI 1730239906
Psychologist in San Rafael, CA

Active since January 11, 2007
820 LAS GALLINAS AVE, SAN RAFAEL, CA 94903(415) 444-3037(415) 444-3019 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About John Manfred Maas Edd NPPES

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

JOHN MANFRED MAAS EDD (NPI 1730239906) is an individual psychologist in San Rafael, California, licensed in California (PSY8849) and active in the NPI registry since January 2007.

NPPES Registry Identity

NPI1730239906
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameJOHN MANFRED MAASCredential: EDD
Location Address820 LAS GALLINAS AVESan Rafael, CA 94903-3452
Mailing Address820 Las Gallinas AveSan Rafael, CA 94903-3452 · (415) 444-3037 · Fax (415) 444-3019
Fax(415) 444-3019
Sole ProprietorNo
Enumeration DateJanuary 11, 2007
Last NPPES UpdateJuly 8, 2007
NPI 1730239906 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 · PSY8849
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.
820 LAS GALLINAS AVE, San Rafael, CA 94903

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.

Psychologist (Clinical)
820 LAS GALLINAS AVE
SAN RAFAEL, CA 94903
Psychologist
820 LAS GALLINAS AVE
SAN RAFAEL, CA 94903
Psychiatry & Neurology (Psychiatry)
820 LAS GALLINAS AVE
SAN RAFAEL, CA 94903
Social Worker (Clinical)
820 LAS GALLINAS AVE
SAN RAFAEL, CA 94903
Psychologist (Clinical)
820 LAS GALLINAS AVE
SAN RAFAEL, CA 94903
Psychologist (Addiction (Substance Use Disorder))
820 LAS GALLINAS AVE
SAN RAFAEL, CA 94903
Psychologist (Clinical)
820 LAS GALLINAS AVE
SAN RAFAEL, CA 94903
Psychologist (Clinical)
820 LAS GALLINAS AVE
SAN RAFAEL, CA 94903

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 John Maas's NPI number?

The NPI number for John Maas is 1730239906. It was assigned to this individual provider in the NPPES registry on January 11, 2007.

Where is John Maas located?

John Maas practices at 820 Las Gallinas Ave, San Rafael, CA 94903. The listed phone number is (415) 444-3037.

What is John Maas'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 John Maas was last updated on July 8, 2007. NPI Profile syncs with the weekly NPPES data releases published by CMS.