
Dr. Warren Taff
MD
Psychiatrist
- General psychiatry
- Addiction medicine
- Medication management
- Visit types
- In-person & telehealth
About Our Practice
Alliance Psychiatric Group is an organization of experienced psychiatric clinicians with a clear vision: meeting the psychiatric needs of the individual, the family, and the community.
Our Mission
We are a full-service outpatient practice committed to providing high-quality psychiatric care for children, adolescents, adults, and older adults. Our services include psychiatric evaluations, medication management, addiction treatment, and telehealth care.
Our patient-focused model starts with your needs and builds care through collaboration, so treatment is shaped around you rather than the other way around.
We are honored to serve the Southern California community from our office in Lake Forest, in the heart of Orange County. Patients visit us from Irvine, Mission Viejo, Laguna Hills, and surrounding communities — and secure telehealth visits extend our care across California.
How We Practice
Treatment starts with listening. Our providers take time to understand your history, circumstances, and goals before recommending any plan.
Care decisions are grounded in current clinical evidence — including a commitment to the lowest effective medication doses, used judiciously alongside therapy.
We coordinate with therapists, primary care physicians, families, and other members of your care team so your treatment works as a whole.
Mental health is connected to physical health, lifestyle, and life context. Our providers consider all of it, not just a symptom checklist.
Our Founders
Alliance Psychiatric Group was founded by clinicians who remain active in patient care today.

MD
Psychiatrist

DNP, PMHNP-BC, FNP
Psychiatric Mental Health & Family Nurse Practitioner

DNP, PMHNP-BC
Psychiatric Mental Health Nurse Practitioner
Our team is here to help you find the right care. Request an appointment or call our office to get started.