Dr. Rich Collins  was born and raised in Dixon, Illinois.  He received his veterinary degree in 1970 from Iowa State University.  Dr. Rich practiced with both small and large animals until 1995 when he decided to concentrate on large animals with an emphasis on swine consulting.  He graduated from the Executive Veterinary Program at the University of Illinois in 1997 in Swine Consultation and Production Medicine.  Dr. Collins and his wife Cathie, have 4 children.  He is very active as an elder and in the choir at First Presbyterian Church in Dixon and enjoys boating and horticulture.

Dr. Bill Kuhfus  received his veterinary degree in 1973 from Iowa State University.  He practiced at an animal hospital in Oswego, Illinois from 1973 until 1984, when he joined Dixon Veterinary Hospital.  Dr. Bill has been on the board of a local animal shelter and is a member of the American Dental Society.  He has a special interest in dentistry.  Dr. Kuhfus and his wife, Nancy have 3 children.  He enjoys family activities, reading and is an avid tennis player.

Dr. Phil Fassler  also was born and raised in the Dixon area.  He received his veterinary degree from the University of Illinois in 1989, and a Masters degree in parasitology in 1991.  His work was with ivermectin in the sensitive collie breed.  He first practiced at Noyes Animal Hospital in Barrington, Illinois before joining Dixon Veterinary Hospital in 1991.  He takes a special interest in surgery.  Dr. Phil's wife, Sarah is also a veterinarian at the hospital.  He enjoys outdoor activities such as camping, rock climbing, and scuba diving.

Dr. Sarah Fassler received her veterinary degree from the University of Illinois in 1990.  She worked in Elgin, Illinois, then Rockford, Illinois, before joining Dixon Veterinary Hospital in 1995.  She has a special interest in exotics, primarily reptiles and zoo animals.  Dr. Sarah enjoys riding her horses, camping, rock climbing, and scuba diving.  Dr. Sarah And Dr. Phil are also both avid gardeners.

Dr. Nathan McClain grew up in Dixon, Illinois and graduated from Dixon High School.  He earned a Bachelor of Science degree in biology from the University of Illinois Champaign-Urbana in 2000, then went on to receive his Doctor of Veterinary Medicine degree from the University of Illinois in 2004.  Dr. Mcclain has recently returned to the area and joined the staff at Dixon Veterinary Hospital and Sauk Valley Animal Hospital.  He is an avid outdoorsman and enjoys hiking, fishing and boating on the Rock River.  He is excited to once again see old friends and make new ones as he becomes active in the community he grew up in.