Psychologist | General Psychology

Johanna Mayer, PHD

4370 Alpine Rd, Suite 102, Portola Valley, California, 94028-7952

About Johanna Mayer

Johanna Mayer is a psychologist based in Portola Valley, California who is specialized in General Psychology. Active license number of Johanna Mayer is PSY5817 for General Psychology in California. Her current practice location is 4370 Alpine Rd, Suite 102, Portola Valley. Patients can contact her at 650-851-1164. Johanna Mayer, PHD, specializes in General Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1114054335.

Johanna Mayer is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, she performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. She 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

Johanna Mayer'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 Johanna Mayer
Specialization General Psychology
Credentials PHD
Gender Female
Practice Address: 4370 Alpine Rd, Suite 102
Portola Valley, CA - 94028-7952

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 Number1114054335
NPI Enumeration Date: 27 Feb, 2007
NPI Last Update On: 10 Jun, 2010

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 Johanna Mayer are as mentioned below.

License NumberSpecializationStateStatus
PSY5817General Psychology CaliforniaPrimary

Other Medical Identifiers

Other professional identifiers associated with Johanna Mayer such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
151141OtherCaliforniaVALUE OPTIONS PROVIDER #

Mailing Address

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

Johanna Mayer
4370 Alpine Rd, Suite 102
Portola Valley, CA - 94028-7952
Phone: 650-851-1164

Book an Appointment with Johanna Mayer

To schedule an appointment, contact Johanna Mayer at 4370 Alpine Rd, Suite 102, Portola Valley, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Johanna Mayer:

Johanna Mayer is a psychologist specializing in General Psychology. She is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, she performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. She 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, Johanna Mayer 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.

Johanna Mayer practices at 4370 Alpine Rd, Suite 102, Portola Valley, California, 94028-7952.

To schedule an appointment with Johanna Mayer, please contact the office at 650-851-1164.

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