Dr. James N. Cohn specializes in ophthalmology in Fremont area. Dr. James N. Cohn has a medical practice at 3775 Beacon Avenue, Suite 140, Fremont CA, and has over 35 years of experience in the field of medicine. He graduated from University Of Chicago, Pritzker School Of Medicine with his medical degree in 1982. Dr. Cohn is accepting new patients at his medical office and practice location in Fremont, California. He is available for appointments, preventative care, medical care as well as ongoing patient care.