Meet Dr. Holt


Dr. Gary Holt is a board-eligible certified Denver orthodontist with offices in Littleton, Highlands Ranch and Castle Rock. He specializes in providing quality, personalized orthodontic care to children, teens, and adults. He attends countless hours of continuing education and utilizes the latest advances in orthodontics to ensure that his patients get excellent results with speedy treatment times and minimal discomfort.


Award-Winning Care

Dr Holt has been the “Triple Crown” winner: recognized as the “Best of the Best for Orthodontic Care” in the Littleton Independent, Highlands Ranch Herald, and Centennial Citizen newspapers. Dr. Holt is also honored to be named a 5280 Magazine “Top Dentist,” as voted for by all Denver-area dentists.

Dr. Holt has a thriving orthodontic practice with the patient experience standing as the cornerstone of everything he does. “We are proud of the care that we offer our patients from the moment they walk into one of our two state-of-the-art locations for a free consult, to the day their treatment is completed and they show off their beautiful new smile. Seeing the transformed smile of a satisfied patient is what makes orthodontics so enjoyable.”


Dr. Holt obtained his Doctorate of Dental Surgery from the University of Maryland, Baltimore, and completed an orthodontic residency at the University of Missouri-Kansas City. He has been practicing since 2003. He is a member of the American Dental Association, the Rocky Mountain Society of Orthodontists, the Colorado Dental Association, and the Metropolitan Denver Dental Society. Dr. Holt is also a sought-after public speaker and published author.

Outside the Office

Dr. Holt and his wife have two daughters, Emma and Caroline, and a son, Jeremy. When he’s not working, Dr. Holt and his wife are avid runners and mountain bikers. Dr. Holt has completed many marathons and has even finished the Ironman Triathlon in Kona, Hawaii.

Schedule a complimentary consultation at our Littleton , Highlands Ranch or Castle Rock location to learn more about how the team at Holt Orthodontics can improve your smile!