Psychologist | General Psychology

John Manfred Maas, EDD

820 Las Gallinas Ave, San Rafael, California, 94903-3452

About John Manfred Maas

John Manfred Maas is a psychologist based in San Rafael, California who is specialized in General Psychology. Active license number of John Manfred Maas is PSY8849 for General Psychology in California. His current practice location is 820 Las Gallinas Ave, San Rafael. Patients can contact him at 415-444-3037 or can fax him at 415-444-3019. John Manfred Maas, EDD, specializes in General Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1730239906.

John Manfred Maas is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, he performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. He can diagnose and treat 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 by psycheducational evaluation, therapy, remediation, and consultation.

Practice Information

John Manfred Maas's specialty, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name John Manfred Maas
Specialization General Psychology
Credentials EDD
Gender Male
Practice Address: 820 Las Gallinas Ave,
San Rafael, CA - 94903-3452
Fax 415-444-3019

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to healthcare providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

NPI Number1730239906
NPI Enumeration Date: 11 Jan, 2007
NPI Last Update On: 08 Jul, 2007

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialties in the same state or different states. Related medical licenses for John Manfred Maas are as mentioned below.

License NumberSpecializationStateStatus
PSY8849General Psychology CaliforniaPrimary

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

John Manfred Maas
820 Las Gallinas Ave,
San Rafael, CA - 94903-3452
Phone: 415-444-3037
Fax: 415-444-3019

Book an Appointment with John Manfred Maas

To schedule an appointment, contact John Manfred Maas at 820 Las Gallinas Ave, San Rafael, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about John Manfred Maas:

John Manfred Maas is a psychologist specializing in General Psychology. He is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, he performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. He can diagnose and treat 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 by psycheducational evaluation, therapy, remediation, and consultation.

Yes, John Manfred Maas is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.
*Availability may change. Please contact the office directly to ask about appointments.

John Manfred Maas practices at 820 Las Gallinas Ave, San Rafael, California, 94903-3452.

To schedule an appointment with John Manfred Maas, please contact the office at 415-444-3037.

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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.