Brian grew up in Mustang, Oklahoma. His first experience in healthcare was as a volunteer at Southwest Medical Center when he was a teenager. He later attended SWOSU and obtained his bachelor’s degree in Business Administration. After working in logistics, he decided to pursue a career in medicine. He attended the University of Oklahoma and graduated in 2015. He went to residency in Cedar Rapids, Iowa with the University of Iowa. He then returned to Oklahoma, where he set up his first practice at Canadian Valley Hospital in Yukon, Oklahoma. He began his private practice in 2023. He is an Ironman triathlete who enjoys spending time with his family.

Dr. Thatcher has been featured in 405 Magazine as the Face of Primary Care in 2024 and 2025.