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John A. Marcotte, DVM

johnprofileDr. Marcotte is a 1994 graduate of the University of Missouri, College of Veterinary Medicine. He was also inducted into the Phi Zeta Veterinary Honor Society.

In 1998, Dr. Marcotte founded Marcotte Veterinary Clinic with the primary goal of excellence in client service and dedicated to the care of the performance horse. This service driven attitude and dedication to the veterinarian profession has continually enhanced the abilities and services provided by the clinic. Dr. Marcotte’s belief in current and continuous education on technology has propelled the clinic to become well-known in the equine industry, with a client base covering most of the central United States in sports medicine and lameness.

Dr. Marcotte is a member of the AAEP, OVMA, AVMA, and the Society of Theriogenology. He currently resides in Vinita, Oklahoma with his wife Karen, and his three children Austin, Aubrey, and Shyanne. He enjoys flying helicopters and shooting. 

Tyler B. Dillon, DVM


TylerDr. Dillon is a 2011 graduate of the University of Missouri, College of Veterinary Medicine where he received the Excellence Award in Equine Medicine and Surgery.

Dr. Dillon’s dedication to the clients and veterinarian profession has excelled him to his current position. He completed his residency at Marcotte Veterinary Clinic under Dr. Marcotte in 2010. Upon graduation Dr. Dillon moved to Oklahoma and began his career as a veterinarian at Marcotte Veterinary Clinic.

Major areas of interest include Food Animal Medicine and Surgery, Equine Medicine and Surgery, Equine Dentistry, lameness, and reproduction. He is a member of AVMA.

Dr. Dillon currently resides in Vinita, Oklahoma and enjoys spending time with his wife Judy, and their daughter Grace. He also enjoys roping and his cattle farm.