Hours of Operation:
Mon-Fri 7:00am - 5:30pm

Saturday 8:00am - 12:00pm

24 Hour Emergency Service

Call: 940-464-3231


John F. Bitter DVM- President/CEO

•Bachelor Science at Colorado State University 1993

•Semester at University of Queensland Equine Theriogenology 1992

•Doctor of Veterinary medicine 1997

•Associate veterinarian at Argyle Veterinary Clinic 1997

•Assumed ownership June 2005

Born and raised south Texas grew up on working cattle ranch and assisting father in his mixed animal veterinary practice. Married June 1997 and a proud father of three boys.



Brooks Butler DVM

Grew up outside of Denver, Colorado. Very active in AQHA and showing Quarter Horses throughout his youth. Graduated from Kansas State University with a Bachelors degree in Agribusiness in 2009, a Masters degree in Biomedical Science in 2011 and Doctor of Veterinary Medicine in 2013. Brooks is passionate about many aspects of Veterinary Medicine, with particular interest in equine lameness and small animal surgery. Hobbies outside of work include snowboarding, waterskiing, and playing golf.




dr_oconnor2Elizabeth O’Connor DVM

Elizabeth O’Connor grew up in Southlake TX riding and competing in dressage and eventing.  She attended the University of Oklahoma and graduated in 2010 with her B.S. in Zoology.  She then went to Texas A&M for veterinary school and graduated in 2014.
Elizabeth has a special interest in internal medicine and acupuncture for both large and small animals.  Outside of work she enjoys traveling, camping and spending time with family and friends.







Melinda Krpan DVM

Melinda Krpan DVM MS

Dr. Melinda Krpan is a University of California Davis graduate where she received her BS in Biochemistry in 1978 and her DVM in 1982. Dr. Krpan then moved to Washington State University for an internship in Equine medicine and surgery, followed by a residency in equine surgery. She also earned a master’s degree. Dr. Krpan main interest and specialty is in equine surgery. Outside of work she raises AQHA halter horses.




Melissa Pearson DVMMelissa Pearson DVM

Dr. Pearson attended Texas A&M for her undergrad education and earned a degree in Biomedical Science in 1992. Dr. Pearson continued at A&M and received an additional veterinary science degree as well as her DVM in 1996. Dr. Pearson practiced in Flower mound for 10 years and joined Argyle Veterinary Hospital in 2006. Her main interest is in small animal internal medicine and small animal dermatology. Outside the practice, Dr. Pearson enjoys gardening and running. As a mother of three, she especially enjoys spending time with her family.



Ryan Royse DVMRyan Royse DVM

Dr. Ryan Royse received his BS in zoology from the University of Oklahoma State University College of veterinary medicine in 2007 with his DVM. He stayed on at OSU to complete an internship in equine medicine. His primary interests are in small animal medicine and soft tissue surgery, along with small animal reproduction. Outside of veterinary medicine Dr. Royse enjoys spending time with his family and friends and likes to travel.



Fall Promotions
John F. Bitter DVM- President/CEO •Bachelor S
November Special

Thank you AVH for coming in afterhours on a holiday weekend when our Chihuahua, Pancho, broke his leg in 2013 and continue to give great service ... <

Mar 02, 2015 by Emily Coyle

Thank you AVH for coming in afterhours on a holiday weekend when our Chihuahua, Pancho, broke his leg in 2013 and continue to give great service ...
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