Dr. Geddes received his undergraduate and Masters degrees from U C Santa Barbara followed by his Medical degree at U C Irvine. He did his internship and residency in Obstetrics and Gynecology at Kaiser Permanente in Los Angeles and became a diplomat of the American Board of Ob/Gyn in 1984.
Since 1986 he has been in private practice in Anaheim and in Orange since 2014. Dr. Geddes has chaired the Women's and Children's department at Martin Luther and Anaheim Regional Hospitals. He has also served on the CHOC Physicians Network Board and is currently serving on the CalOPTIMA Peer Review Committee in Orange County. In September 2019 he was selected as one of the “three best rated Gynecologists in Orange.