Dr. Ditsworth grew up in San Diego and Las Vegas. He completed his undergraduate work at the University of Nevada Reno and graduated from veterinary school at Oregon State/Washington State in 1983. His goals as a veterinarian are to provide the highest quality medicine available and to always research new ways to provide the best care.

Before purchasing Kings Row Pet Hospital with his wife of 30+ years, Loni, he worked at Baring Blvd Veterinary Hospital. He takes a special interest in avian medicine, internal medicine, endoscopy, and mentoring. He also enjoys the challenges of soft tissue and dentistry and loves mentoring others.

Mark and Loni have always had a menagerie of pets in their house. At present, they have two dogs, Charg- Her (English Setter), and Opal (English Setter).  During his free time, Dr. Ditsworth likes to go golfing, camping, and hiking. He enjoys the outdoors and likes spending time with his family and friends.