Meet the Doctors

Dennis R. Koesel, DVM
Dennis R. Koesel, DVM (Retired)

Raised on a dairy farm six miles east of Deer Park, Dr. Dennis graduated from Washington State University Veterinary School in 1974. He joined Doctors Snook and Kettel at DPVC in June of 1974. He enjoys all areas of veterinary medicine in and around Deer Park. He has been married to Nola since 1970 and they have four children: Brenda, David, Todd, and Julie. He has one dog, a Chesapeake Bay Retriever named Jessie. He enjoys spending time at a little get-a-way on the Pend Oreille River.

Dean A. Koesel, DVM
Dean A. Koesel, DVM WSU 1980

Dr. Dean was raised on a dairy farm near Riverside High School and still lives at the same location with his wife of 40 years Anna. They have 3 grown children and 9 grandchildren. Son Kevin (civil engineer) and wife Julie (elementary teacher) live in Elk and run a farm and beef ranch and are raising Alianna, Blake, and Cade. Son Chris (Delta Airline pilot) and wife Tracy (sign language interpreter) live in Minneapolis and are raising Cooper and Mason. Daughter Tracy (receptionist, bookkeeper and student) and husband Cole (Spokane Seed field man) live on the original farm and are raising Jaime, Lainey, Bodey, and Cash.

Dr. Deans FamilyAway from the clinic Dean and Anna stay busy with 50+ beef stock cows, 3 horses, 3 mules, 1 dog (Nugey), 2 cats (Simba and Sebastian). We also operate a commercial cattle embryo transfer business and with son Kevin farm 250+ acres. Our greatest joys come from our children and grandchildren. We love to travel, fish, hunt, and Anna shares her musical talent at church and at Northwood Performing Arts at Sacheen Lake (Circle Moon Community Theater). She is also responsible for much of the art work at the clinic.

Veterinary Medicine has been a wonderful career for me. It is very rewarding, offering an incredible variety of challenges. I tell my children that there is no perfect job but being a veterinarian has been as close as it gets for me. I especially enjoy working with the senior veterinary students from WSU that come to us for a month of clinical experience. GO COUGS

John E. Harris, DVM
John E. Harris, DVM

Dr. John Harris received his DVM from WSU in 1993. He began working at Deer Park Veterinary Clinic in May of that year and very much enjoys being a part of the clinic.

Photo by Cheryl James 2003

“I love the working environment here, everyone is willing to try new techniques and is eager to improve the quality of medicine we practice.” John also said “I grew up in Colorado, considered it my roots, and had planned to move back there after college. However, after living in the Palouse for four years I fell in love with this area. The fly fishing is as good as it gets and the recreation possibilities are endless. My family and I love our horses and have found numerous activities to do with them. We compete in reining and team rope, and have been on a few long pack trips.” My wife Mary and I have three children: Stevie, 14; Keni, 12; and Cole, 10.

Lawrence Gay, DVM
Lawrence Gay, DVM

Dr. Larry providing medical attention to a tiger located at Cat Tales Zoological Park.A second-generation veterinarian, Dr. Larry Gay was born in England and raised in Australia. He moved to Pullman, WA where his father was a professor at WSU's college of veterinary medicine. Dr. Larry graduated from Pullman High in 1983 and worked his way through college as a cook and bartender. He graduated from WSU with a BS in microbiology and took a job in Seattle with Fred Hutchinson Cancer Research Center. Though he pondered a career in human medicine, veterinary medicine eventually won out. Dr. Larry graduated from WSU in May 1999 and began working at the Deer Park Veterinary Clinic the following month. Dr Larry has three children: Gavin, Mallory and Kelsie.  All three attend Riverside Elementary. 

Dr. Cassandra Goode, DVM
Cassandra Goode, DVM

Dr. Cassandra graduated from WSU College of Veterinary Medicine in 2009. In her final year of veterinary school, Cassandra completed an internship at the clinic and knew DPVC was the place for her! Soon after graduation from WSU, she joined DPVC in June of 2009.

Cassandra is originally from Spokane Dr. Cassandra Goode, DVMand has lived there since 1984. She graduated from Rogers High School in 2001, and immediately began her undergraduate studies at Eastern Washington University. Seeking diversity and educational opportunity, she then transfered to New Mexico Satae University in Las Cruces, NM, where she earned a bachelors degree in animal science. Knowing from a very young age that she wanted to pursue a career in veterinary medicine, Cassandra enjoyed being as active as possible in the veterinary community. All throughout middle shcool, high school and college, she worked as a veterinary assistant/technician at various small and large animal clinics in Spokane, Las Cruces, and in the Veterinary Teaching Hopsital in Pullman.

Together with her husband, David, they have 2 horses, 2 dogs, a cat, a canary, and a cockatiel. In her spare time, she loves to do anything outside! Her favorite hobbies are mountain biking, back country snowboarding, horseback riding, and running.

She is proud to be a part of Deer Park Veterinary Clinic's team, and is excited to help such a wide variety of patients. She enjoys all aspects of veterinary medicine, from small animal medicine and surgery, to equine, dairy, beef, small ruminant and even exotic animal medicine and surgery.

"DPVC is a great place to be a veterinarian! All of the doctors and staff strive to provide the best care possible, keep up with the latest innovative medical research, and are always willing to try new things!"

Dr. Amy
Amy Mauch, DVM

Dr. Amy graduated from WSU College of Veterinary Medicine in 2013 and joined DPVC after graduation.

Amy grew up in south Spokane and kept very busy playing basketball and showing dressage horses. She completed her undergraduate studies at Eastern Washington University and planned to be a dentist like her father, but ultimately decided to follow her dream of becoming a veterinarian. Prior to veterinary school, Amy worked as an assistant/technician at an equine only clinic in south Spokane County.

Amy and her husband Rod have 2 dogs, 3 horses, 2 cats and a rabbit. In her spare time she enjoys riding her horses, boating, camping, and snowmobiling.

“DPVC is more than just a vet clinic, it is a family. I feel very fortunate to be part of such an incredible place where we are enthusiastic to help the community, providing quality medicine and care for their beloved animals.”


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