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Dr. Stevens grew up near Rapid City, SD. She received a Bachelor of Science in Animal Science from South Dakota State University in 1991, and then her Doctor of Veterinary medicine degree in 1995 from the University of Minnesota. After working for a short time with Black Hills area veterinarians, she started working full-time in Edgemont. A year later, she founded Cheyenne River Animal Hospital in its current location. Dr. Stevens attended animal chiropractor school in Wellsville, KS, and was certified by the International Veterinary Chiropractic Association in 2008. 

Dr. Stevens married Kerry Barker in 2002. They have a daughter currently attending South Dakota State University. Their youngest daughter is in high school. Dr. Stevens loves working with cattle, horses, dogs, and cats. In her free time, Stephanie enjoys spending time with family, working in their yard and garden, horseback riding, reading, and running. 
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Dr. Erica Koller grew up right here in Edgemont, SD, went to South Dakota State University in Brookings and attended veterinary school at Iowa State University. She is very comfortable in small animal surgery and bovine obstetrics. Since she is the daughter of a local rancher, she understands importance of animal well being and herd health in this area. She has also spent some time traveling to other parts of the United States and the world through veterinary medicine. She has a love of teaching and molding the next generation. She has developed an externship program for veterinary students to experience a rural veterinary clinic. Her family, including husband Dustin Ross, son Tucker and daughter Harper, are very active in the community. She loves to share her passion for rural values and traditions through modern technologies. 

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Dr. Colton grew up on a cow-calf operation near the small town of Wessington, SD.  After serving four years in the U.S. Navy he attended Dakota Wesleyan University where he received a double major in Biology and Allied Health.  He then completed veterinary school at Iowa State University in 2016.  He enjoys working in a mixed animal clinic and is passionate about all aspects of cow-calf production.  Aside from work, he enjoys traveling as well as many outdoor activities including hiking, camping, hunting and running with his dog.  Dr. Duxbury joined Cheyenne River Animal Hospital in June of 2017.  



Receptionist and Veterinary Assistant

Alicia grew up all over South Dakota because her father is a United Methodist pastor and moved frequently. She graduated high school from Flandreu, SD and went to Dakota Wesleyan University where she graduted with a Bachelor of Arts in Athletic Training. She is an only child and her parents are John and Cheryl McKnight. She enjoys helping her grandparents John and Shirley on their ranch outside of Edgemont, riding horses whenever possible, and being outdoors. She has always loved animals and had at least one or two at all times while growing up. Now she has a cat named Samantha and a dog named Simba.


Veterinary Assistant and Student

Lacy Stevens grew up on a ranch outside of Edgemont, SD. She graduated from Edgemont High School. She continued her education at Black Hills State University where she received her Biology degree in fall 2016. She is currnetly continuing her education to become a large animal veterinarian at Iowa State University.


Receptionist & Veterinary Assistant

Deedee was born and raised in Edgemont, SD, but she moved away after high school. After being away for several years, she moved back and met her husband, Scot. She has 3 children, 1 step-daughter, 4 gandboys, 1 granddaughter, and a cat named Lucky. Deedee has worked at Cheyenne River Animal Hospital since 2014.



Edna was born and raised in the Douglas, WY area. She and her brother grew up on ranches with a cowboy/cowman foreman father and a teacher mother. After marrying Maurice, her husband of 43 years, they ranched in WY and in 1981, moved to the Edgemont area. They moved into the city of Edgemont in 1998, staring their own business, Neville Repair. 

They have two children, Leslie (and her puppies) of Phoenix, AZ and Justin and daughters of Edgemont. Their two graddaughters are Bridget and Addison. They have two grand-puppies in Phoenix: Callie, an elderly and extremely funny Springer Spaniel, and Isacc, a young and very loving Boxer. Bridget, Addie, Grandma and Papa have a family Cockapoo dog named Toro that Aunt Leslie resuced and gave to them as a family pet. 

Veterinary Technician

Anne grew up in Estelline, SD. She went to South Dakota State University in Brookings for Animal Science and attended National American University in Rapid City for Veterinary Technologies. She began working at Cheyenne River Animal Hospital in June 2013 while finishing her veterinary technician classes. She grew up on a farm with a cow/calf operation and feedlot, and enjoys working with livestock as well as being outdoors.

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Veterinary Technician

 Robin grew up on a farm in Southwest Minnesota.  After graduation from high school, she attended the University of Minnesota in Waseca's Veterinary Technology program and graduated with an Associates Degree in Applied Sciences.  Robin has worked for a small animal practice in Sioux Falls, SD and also at Grand Labs in Larchwood, IA.  Robin really enjoys the large animal aspect of working at Cheyenne River Animal Hospital as well as the dogs and cats.  Married to her high school sweetheart Kevin, they have two boys, Kyle and Rody, who are both in the Air Force.  She enjoys being outdoors walking her 2 dogs (Zeus, a German shepard and Buffy, a pemeranian), riding horses, kayaking and biking. 


Clinic Cat

Pete is a former patient that now works dilligently in "patient-welcoming." 

Equine Clinic



CRAH Equine Clinic is April 23rd  to 28th


The grass is greening up and events are scheduled which means you need to be READY TO GO.  Ready for What?  Well, it could be Rodeos, Trail Rides, Brandings, Shows, or just being ready for nice weather which means that mosquitos will be out.

     This year we will have a Farrier On Site for your trimming and shoeing needs!  We hope this helps you get one-stop-and-ready service prior to your spring and summer events.

      Do you travel, or have young horses?  It is highly recommended to protect young and treveling horses against Strep equi, the very contagious bacteria that causes Strangles.  Traveling horses also need a Coggins (test for Equine Infectious Anemia), which is good for 12 months in most states.

      Did you know that West Nile is still a threat?  In 2017, the surrounding area had 250 cases of West Nile, which included SD, NE, WY, MT and CO.

      If your horses don't travel, you might think they are safe.  Maybe not...  Horses that don't travel are still susceptible to diseases that spread in the air.  Mosquitos and other bugs are carriers of diseases such as Sleeping Sickness and West Nile.  Also vaccinate for prevention of Tetanus (which is in the ground), Rhino, and Flu (sometimes showing up in barns of horses that have not traveled), and Rabies (always fatal).

      Most adult horses need their teeth checked, and maybe Floated, every 8-12 months.  Horse teeth continue to grow 3-4 mm each year - for life.  Offset alignments naturally create sharp points that can cause irritation and sores on the cheeks and tongue as well as affecting their ability to grind their food.  

      Dr. Stevens will be here to adjust your horse if needed.  Chiropractic  care of the spine can impact performance and behavior.  Did you know that your horse can perform 10% better if their spine is moving well?  And behavior problems in horses are often a result of pain from spinal subluxations.  Some of these that you might be seeing include; being "cinchy", not accepting/fighting the bit, being unwilling to take the correct lead, unwillingness to turn one direction or the other, and lameness.

      Please let us know if you would like to have your horse's feet trimmed or shod while here, and we will help schedule a time with the Farrier for you.  

      This is the best time to take advantage of Discounted Prices on recommended products to protect against diseases such as Rhino, Flu, Sleeping Sickness, Tetanus, Strangles, West Nile and Rabies.  We will also have discounted broad-spectrum dewormer, for Tapeworms, Strongyles, Roundworms, and Bots.


 CRAH is very excited for this year's Equine Clinic.  Don't Delay, Call Today to reserve your time.


Appointment times are needed for Coggins, Dentals and Chiropractic Adjustments.  You do not need an appointment to pick up vaccines or dewormer.

Payment is required at the time of services rendered.