Contact Information


Phone: 517-353-9710


  • DVM, Colorado State University, 2016

Dr. Casillas completed a three-year surgery residency with the Department of Large Animal Clinical Sciences on Tuesday, July 14, 2020. As of July 15, Dr. Casillas' role at the College has continued as an instructor in Large Animal Emergency Medicine. He also shoes horses at MSU.

Casillas completed a medicine and sports medicine internship in equine surgery at Texas Equine Hospital. He also worked at Colorado State University as an anatomy teaching assistant and gross anatomy lab technician.

Dr. Casillas earned his DVM from Colorado State University. Since then, he has completed a number of AO, ACVS, and other continuing education webinars and trainings. He also has received several awards and grants. Dr. Casillas' knowledge and passion for equine medicine and surgery will help our large animal clinic continue to provide top-of-the-line service.