The goal of Gateway Psychiatric Services is to enhance the quality of psychiatric care by providing: excellent psychiatric care, professional education to health professionals, consultation to organizations delivering psychiatric services and clinical research services . GPShomeadd2 This website provides information about GPS for patients, potential patients and their family members; healthcare providers; individuals associated with organizations that provide psychiatric or mental health services; and attorneys. Click the appropriate link in this paragraph to go to a page that will orient you to our website and our services. The San Francisco office is located in Hayes Valley, close to BART. We also have offices in Mountain View and Pleasanton. Dr. Peter Forster, a UCSF-affiliated San Francisco Psychiatrist, Clinical Director of Gateway Psychiatric Services, specializes in the evaluation and treatment of adult depression, bipolar disorder (manic-depression), anxiety, panic disorders, phobias and stress reactions. The Mood Disorders Program provides specialty evaluation and treatment of adult patients with mood disorders and mixed mood/anxiety disorders.