Dr. Harpreet S. Duggal is a psychiatrist in Fremont, California and is affiliated with Kaiser Permanente Walnut Creek Medical Center. He received his medical degree from Mahatma Gandhi Institute of Medical Science and has been in practice for more than 20 years. Dr. Harpreet S. Duggal has expertise in treating bipolar disorder, depression, anxiety disorders, among other conditions - see all areas of expertise. Dr. Harpreet S. Duggal accepts Medicare, Blue Cross - see other insurance plans accepted.