Bay Area Health Psychology  


Lawrence Feinstein, PhD


CA License: PSY25675
IL License: 071.008052
FL License: PY11748

Dr. Feinstein is a licensed clinical psychologist specializing in behavioral medicine and health psychology. He provides services via telepsychology (using, Zoom, GoToMeeting, Skype, and others). Dr. Feinstein's approach to treatment is goal-oriented, evidence-based Cognitive Behavior Therapy augmented with Acceptance and Commitment Therapy (ACT) and Compassion Focused Therapy (CFT). He is an In-Network provider for some insurance payers.

Click here for information about Dr. Feinstein's specialties, training, clinical orientation, and more.

Brett Gaynor, PsyD


CA License: PSY29574

Dr. Gaynor provides clinical services to adults, adolescents, and children. She views emotional and behavioral challenges as a dynamic outcome that develops as a result of complex interactions over time. She is passionate about child development and specializes in working with childhood disorders presenting in early childhood and on (ages 2-16yrs), trauma disorders, challenges to family functioning such as intergenerational difficulties and parent-child relationship problems.

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dr mark mosk photo Mark D. Mosk, PhD


IL License: 071-006089
CA License: PSY8865

Dr. Mosk provides a variety of clinical, forensic and research services. He specializes in cognitive-behavioral assessment and therapy for clients with emotional challenges, applied behavioral analysis, interpersonal skills training, and violence assessment and prevention. He is an expert in forensic psychology, providing evaluation and consultation services in divorce matters.

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Hannah Lammert, LCSW


CA License: LCSW #75953

Hannah works with children and adolescents from the ages of 7 to early-adulthood, and with adults. She helps her clients work through challenges with anxiety, Obsessive-Compulsive Disorder, life transitions, and issues at school, with social groups, and in the home.

Click here for information about Ms. Lammert's specialties, training, clinical orientation, and more.



Telephone: (650) 999-0220

Fax: (855) 999-0220

Services offered via telepsych:
Zoom, FaceTime, WhatsApp, GoToMeeting, Google Meet, MS Teams

Our mailing address:
3860 West Naughton Ave.
Belmont, CA 94002

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