Dr. Joshua Niclas is a psychiatrist in San Leandro, California and is affiliated with multiple hospitals in the area, including Contra Costa Regional Medical Center and Highland Hospital. He received his medical degree from University of California (San Francisco) School of Medicine and has been in practice for more than 20 years. Dr. Joshua Niclas has expertise in treating bipolar disorder, depression, among other conditions - see all areas of expertise. Dr. Joshua Niclas accepts Aetna, Blue Cross - see other insurance plans accepted.