Dr. John P. Garratt is a psychiatrist in Comptche, California. He received his medical degree from David Geffen School of Medicine at UCLA and has been in practice for more than 20 years. Dr. John P. Garratt has expertise in treating bipolar disorder, depression, among other conditions - see all areas of expertise. Dr. John P. Garratt accepts Medicare, Aetna, Blue Cross - see other insurance plans accepted.