Our caring and compassionate veterinary care team!

Meet the Veterinarians of Risinger Veterinary Hospital in Terrell! We’re pleased to provide exceptional vet care for your pets!

Please call us at (972) 563-3305 to speak to one of our caring veterinary staff members!

Casey Risinger, DVM/Owner


Dr. Casey M. Risinger has been around veterinary medicine his entire life. He grew up following his veterinarian father, Dr. M.L. Risinger, at his vet clinic in Kaufman and later in a mobile large animal practice in the Terrell area. Dr. Casey graduated from Terrell High School then attended Texas A&M University, graduating from Texas A&M College of Veterinary Medicine in 1986. After practicing in Vernon for 1 year, he moved back to Terrell and opened Risinger Veterinary Hospital in June 1987. He and his father practiced together until Dr. M.L. Risinger passed away in 2003. Dr. Casey is married to Phyllis and they have 6 children: Rebekah, Rachel, Mitt, Marty, Casey Dean and Court, and 1 grandson: Joshua Casey Garza. The family attends church at First Baptist Church in Terrell. His hobbies include raising cattle and following his kids around.

Megan Harris, DVM


Dr. Megan (Kirkland) Harris is a hometown girl from Poetry, Texas. After high school, she worked as a veterinary technician here at Risinger Veterinary Hospital while earning her Bachelors Degree in Animal Science from Texas A&M University – Commerce. She is a veterinary graduate of Texas A&M University College of Veterinary Medicine Class of 2012. Dr. Megan married childhood friend, Justin Harris, and has 2 sons, JW and Jo Luke. When she’s not at work, she values quality time with her family, ranching and running. Dr. Megan’s mission in life is to glorify God and make disciples.

Kerri McMahon, DVM


Dr. McMahon attended Texas A&M University and graduated from veterinary school in 1999.  She grew up and went to school in Royse City, but since graduating vet school has practiced in Arizona on the Navajo Reservation, in Colorado on the western slope of the Rockies, and in southern California.  Her love for all things Texas brought her home in 2011.  Dr. McMahon really enjoys time with any type of animal with a particular passion for illness and internal medicine in any species. Dr. McMahon loves being a vet and also loves her family time with Tim and their daughters, Hannah and Riley.  The family lives on a small farm in Wills Point surrounded by an ever growing tribe of animals large & small.  The whole family enjoys riding horses, reading books, camping, and a good bonfire.  Cornerstone Church of Rockwall is the McMahon family’s church home.

Dr. McMahon invites you to come by and say hello, even chat a while.  She feels blessed to be part of the Risinger Veterinary Hospital family.

Joel Rodriguez, DVM


Dr. Joel Rodriguez attended Texas A&M University and graduated with an Animal Science degree in He then continued his veterinary education at The Texas A&M College of Veterinary Medicine and graduated in 2022. Joel grew up in Zapata, Texas, where he first developed his love for animals both large and small. Joel’s interests include general surgery and food animal medicine. When not at work, you can find Joel on the golf course, his new favorite hobby. He also enjoys attending any sports event he can and loves cheering on his Aggies. Joel has one dog, a 4-year-old Miniature Australian Shepherd whom he loves dearly. Dr. Rodriguez is excited to be a part of the Risinger Veterinary Family and Terrell community.

Abel Jaimes, DVM


Dr. Abel Jaimes attended Tarleton State University and received a Bachelor’s degree in Animal Science in 2018. He then continued his veterinary education at Texas A&M College of Veterinary Medicine, graduating in 2023. Abel grew up in Dallas, Texas where he began working at a veterinary clinic during his undergraduate and fell in love with animals. Abel’s interests include both large and small animals but specifically dentistry, preventative medicine, surgery, and food animal medicine. He loves connecting personally with pet owners to provide the best possible care for their four-legged companions. When he’s not at work, he values spending quality time with his wife Cynthia and their young daughter Yvette. He also enjoys playing soccer and running. Abel has one dog, a 6-year-old Shih Tzu named Luna whom he loves dearly. Dr. Jaimes is excited to begin serving the Terrell community as part of the Risinger Veterinary family.