Dr. Trepp was born and raised in Greenwich CT. He attended local schools and then enrolled at the College of the Holy Cross in Worcester, MA. He attended the University of ConnecticutSchool of Dental Medicine and obtained his D.M.D degree in 1983. He is a member of the Greenwich Dental Society as well as the ADA. Douglas is on the outpatient staff at Greenwich Hospital, and for years worked at the hospital outpatient clinic.
Dr. Douglas Trepp first practiced on his own and later took over his father Dr. Harold Trepps practice. He is a passionate believer in preventive and conservative dentistry. Dr. Trepps wife, Lisa Trepp D.M.D, is a periodontist practicing in Stamford, CT. They have raised four children in Greenwich. He has always been very active in the community, especially as a volunteer coach for multiple youth sports.