We are one of the largest psychiatric practices in Northern California. At Siyan Clinical Corporation we provide our patients with the highest quality psychiatric care in a respectful and compassionate atmosphere, with a belief in the innate value of every individual, regardless of his or her accomplishments or failures. Our mission is to improve care for people with mental disorders and their families through tailored treatment, professional education, and excellent clinical care.  We serve a large patient population from Sonoma, Lake, Mendocino, Napa and Marin County.

Newly renovated Santa Rosa facility provides an excellent setting for outpatient care surrounded by caring staff.