Pleasanton Psychiatry Clinic Our Pleasanton Psychiatry Clinic office is convenient for people living in Walnut Creek, Livermore, Dublin, San Ramon, Dublin and Hayward. There is ample parking and the office is right across the Stoneridge Shopping Center. Two clinicians affiliated with Gateway Psychiatric work in the office – Dr. Peter Forster, a UCSF-affiliated psychiatrist, and the Clinical Director of Gateway …