Dr. John W. Allen is a psychiatrist in El Cajon, California and is affiliated with multiple hospitals in the area, including Alvarado Parkway Institute Behavioral Health System-La Mesa and Alvarado Hospital Medical Center. He received his medical degree from Baylor College of Medicine in 1976 and has been in practice for more than 45 years. Dr. John W. Allen has expertise in treating psychotic disorders, anxiety disorders, bipolar disorder, depression, and co-occurring addiction and mental health disorders.