Physician Profile Dr. Michael Gazzaniga Dr. Michael Gazzaniga Urologist in private practice for more than 20 years. Medical School: Dartmouth Medical, Hanover, New Hampshire Residency: UCI Undergraduate: UCSB Locations Southland Urology Yorba Linda, CA 301 Bastanchury Rd. #180Yorba Linda, CA 92835United States View Location Profile Southland Urology Fullerton, CA 1400 N Harbor Blvd Suite #300Fullerton, CA 92835United States View Location Profile