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Our Caring & Compassionate Veterinary Care Team!

Meet the Veterinarians & Team of Westside Animal Hospital in Casper! We’re pleased to provide exceptional vet care for your pets!

Dr. Doug Johannessen

Dr. Doug graduated from Ross University School of Veterinary Medicine in 2006. He worked in research at Pfizer Inc and the National Institutes of Health/National Institute of Allergy and Infectious Disease before moving to private practice in California. In January 2013 Dr. Doug and Dr. Laura became the new owners and veterinarians at Westside Animal Hospital. It has certainly been quite an experience watching the clinic grow over the past two years! Dr. Doug enjoys practicing general veterinary medicine and surgery, especially with a dedicated and caring team who are always looking to improve their clinical knowledge and skills. Along with Dr. Laura and two children, Dr. Doug shares his home with their dog Nopey and cat Isabella.

  • Education: MS DVM
  • Hometown: Greensboro, NC
  • Pets: Bayou, Isabella, Nopey

Dr. Laura Johannessen

Dr. Laura graduated from Ross University School of Veterinary Medicine in 2007. She worked at San Luis Rey Equine Hospital, an equine speciality hospital in southern California, as an intern for one year and as a clinician for three years. She worked at Tammany Veterinary Hospital in Corvallis MT as an ambulatory horse vet before moving back to California to practice small animal medicine and surgery. In January 2013 she and Dr. Doug became the owners of Westside Animal Hospital. Dr. Laura enjoys practicing general veterinary medicine and surgery, and excels at challenging medicine cases. She enjoys working with the caring and dedicated Westside staff. Along with Dr. Doug and their two children, Dr. Laura shares her home their siamese cat Isabella and mix rescue dog Nopey. She also has a 17 hand retired racing Thoroughbred named Bayou.

  • Education: DVM
  • Hometown: Baraboo, WI
  • Pets: Nopey, Bayou, Isabella...coming soon: brown Standard poodle puppy!

Brian Coates - Veterinary Technician

Brian was born and raised in Casper, WY. He has worked at Westside Animal Hospital for 21 years. In that time, Brian has worked with eight different veterinarians. He is currently a member of the American Rabbit Breeders Association (ARBA), and has his ARBA Judges License. Over the years Brian has been involved with many local organizations such as 4-H, FFA, Jr. Leaders, etc. Brian’s home is a small zoo of rabbits, fish, dogs, cats, and a bird, and if he had the space, he would have a lot more! We are so grateful to have Brian in our daily lives. His passion and knowledge of the veterinary profession is truly impressive, and his love for all our patients is evident. 

Ashlee Patricelli - Client Service Coordinator 

Ashlee is a Casper native who joined Westside Animal Hospital in 2015. She has a strong passion for all animals and has worked in the veterinary field prior to joining us. She is the co-founder at MOM Mustangs On a Mission and is a Wyoming affiliate at US Wild Horse and Burro Association. She enjoys spending time with her mustangs Joker, Briggs and Titan, as well as her dogs Tonka, Bucky, and Mato. Ashlee never has a dull moment with her husband and 3 boys, as they all enjoy the outdoors of Wyoming, hunting, and horseback riding. We are so lucky to have Ashlee as part of our Westside family. 

Marishka Chudilowsky - Veterinary Assistant 

Marishka was born in California but has been a long-time Casper resident. She joined our Westside team in September 2015 as a kennel assistant and has worked her way up to veterinary assistant. Marishka is very passionate about animals and learning veterinary medicine. She plans to finish high school and then pursue a degree at Colorado State University. Marishka's hobbies include spending time with all her dogs (Bailey, Snoopy, Izzy, Katie, and Ahsha) and her horses Buddy and Spirit. She also enjoys traveling, watching King's hockey, and horseback riding. 

Paige Lane - Kennel Assistant 

Paige joined Westside Animal Hospital in the summer of 2016 as a kennel assistant. Paige has a strong love for animals that was obvious immediately. Her duties with us are endless but include caring for all of our boarding animals, answering phones, checking out clients, and giving extra love and attention to any and all of our patients. We are so happy to have Paige with us every afternoon following school. It warms our hearts to have the Lane family as a daily presence in our lives still. 

Nopey - Hospitality Specialist

Nopey came to us through Black Dog Animal Rescue for repair of a peritoneal pericardial diaphragmatic hernia. He has been a member of our team ever since, and specializes in playing with boarding dogs, visiting with clients, and providing a constantly wagging tail and smiling face to our day!