Our Doctors

Dr. Richard Schwahn, DVM, Owner

Dr. Schwahn joined the practice in 1999 and became an partner/owner in 2001. He took over full ownership in 2011, and in recognition of this new chapter in the life of the clinic, changed the name to Altitude Veterinary Hospital, in the fall of 2012. The name is a reflection of the higher level of care that Dr Schwahn and his team strive to provide each day.

The team at Altitude values continuing education and trainings, to better provide the services sought after by our community. Dr. Schwahn’s special interests include orthopoedics and fracture repair, as well as TPLO’s. He is an active member of the Casper Rotary Club, and volunteers on Rotary’s Youth Exchange Committee.

Dr. Schwahn and his wife Michelle have two children, a daughter-in-law, and a spunky grandaughter, along with 8 host children from around the world that they enjoy immensely. Born and raised in Lincoln, Nebraska, Dr. Schwahn is a fan of all things Husker, especially football. Other favorite activities include hiking, yoga, home brewing, and spending time with family and friends, including his two furry friends, Molly and Mathilde.

Dr. Tangney Gray-Dockham, DVM, Owner

Dr. Tangney Gray-Dockham, a Casper native, graduated from Natrona County High School in 2003. She then pursued her undergraduate degree in biology from Casper College. During her undergraduate work, Dr. Gray began volunteering and then working as a Veterinary Assistant at Altitude Veterinary Hospital (Popish Vet Clinic). Dr. Gray moved to Fort Collins in 2006 to attend veterinary school. In May of 2010, she graduated the Professional Veterinary Medical Program at Colorado State University, with honors. At this time, she re-joined the Altitude team as an associate veterinarian. In January of 2013, she became part owner, partnering with Dr. Schwahn. Her professional interests include internal medicine, surgery, and avian medicine. Tangney married her high school sweetheart in 2008. She and her husband, Kodi, share a home west of Casper with five German Shorthair Pointers, two parrots, and one cat.

Dr. Angela Bell, DVM, Associate

Dr. Angela Bell was raised in Larkspur, CO, with her six siblings. Her passion and devotion to animals and their well-being inspired her to become a veterinarian. She completed her bachelor’s degree from Brigham Young University-Idaho, her Doctorate of Veterinary Medicine from Ross University School of Medicine, and her clinical year at Kansas State University in 2012.

Angela enjoys serving the community both professionally and personally through her work and in her free time, currently serving as President of the Wyoming Veterinary Medical Association (WVMA) and as a spokesman for the veterinary profession throughout the State of Wyoming.

Angela is dedicated to her profession and continuing her education. She recently completed an advanced dental training course from Animal Dental Care and Oral Surgery Specialists in Colorado Springs, CO, and has also completed courses in oncology, chronic kidney disease, ophthalmology, wildlife and is Fear Free Certified.

Outside of her practice, Angela enjoys spending time outdoors with family and traveling. Angela enjoys being with her four rescue animals and a loving husband who shares her passion for Wyoming. Her dedication to animals has been a driving force for service and excellence in her career and will continue to provide deep meaning in her life.