Psychologist | Prescribing (Medical) Psychology

Dr. Mary Ann Barr, PH.D.

277 Cascade Dr, Mill Valley, California, 94941-5025

About Dr. Mary Ann Barr

Dr. Mary Ann Barr is a psychologist based in Mill Valley, California who is specialized in Prescribing (Medical) Psychology. Active license number of Dr. Mary Ann Barr is PG 5913 for Prescribing (Medical) Psychology in California. Her current practice location is 277 Cascade Dr, Mill Valley. Patients can contact her at 415-383-9245 or can fax her at 415-389-0396. Dr. Mary Ann Barr, PH.D., specializes in Prescribing (Medical) Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1811102908.

Dr. Mary Ann Barr is a licensed psychologist who has completed specialized, post-doctoral training in psychopharmacology, passed a national proficiency examination in psychopharmacology, and is authorized by state statute to prescribe medications, in accordance with their state law and state licensing authority, for the evaluation, diagnosis, management and treatment of mental, nervous, emotional, behavioral, and related disorders.

Practice Information

Dr. Mary Ann Barr'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 Dr. Mary Ann Barr
Specialization Prescribing (Medical) Psychology
Credentials PH.D.
Gender Female
Practice Address: 277 Cascade Dr,
Mill Valley, CA - 94941-5025
Fax 415-389-0396

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 Number1811102908
NPI Enumeration Date: 11 May, 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 Dr. Mary Ann Barr are as mentioned below.

License NumberSpecializationStateStatus
PG 5913Prescribing (Medical) 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.

Dr. Mary Ann Barr
277 Cascade Dr,
Mill Valley, CA - 94941-5025
Phone: 415-383-9245
Fax: 415-389-0396

Book an Appointment with Dr. Mary Ann Barr

To schedule an appointment, contact Dr. Mary Ann Barr at 277 Cascade Dr, Mill Valley, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Mary Ann Barr:

Dr. Mary Ann Barr is a psychologist specializing in Prescribing (Medical) Psychology. She is a licensed psychologist who has completed specialized, post-doctoral training in psychopharmacology, passed a national proficiency examination in psychopharmacology, and is authorized by state statute to prescribe medications, in accordance with their state law and state licensing authority, for the evaluation, diagnosis, management and treatment of mental, nervous, emotional, behavioral, and related disorders.

Yes, Dr. Mary Ann Barr 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.

Dr. Mary Ann Barr practices at 277 Cascade Dr, Mill Valley, California, 94941-5025.

To schedule an appointment with Dr. Mary Ann Barr, please contact the office at 415-383-9245.

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