ericaErica Wallace, DVM

Dr. Wallace is originally from Forrest City, Arkansas. She received her Doctor of Veterinary Medicine degree in 2006 from Louisiana State University School of Veterinary Medicine. After receiving her DVM, Dr. Wallace completed a one-year equine medicine and surgery internship at Chaparral Animal Hospital in Phoenix, Arizona. Oklahoma has been her home ever since. Dr. Wallace has practiced both equine and small animal medicine in the Tulsa area since 2007.

Dr. Wallace has special interests in surgery and dentistry. Dr. Wallace is a member of the American Veterinary Medical Association, American Association of Equine Practitioners, and Oklahoma Veterinary Medical Association. She is currently licensed to practice medicine in Arkansas and Oklahoma. She resides in Mounds with her husband (John), daughter (Abigail), dog (Boudreaux), cats (Jake and Jules), miniature longhorn cows (Cooter and Jennifer), and horses (Bridget, Camelot, Myrtle, and Whisper).

Mary Swartz, DVM

Dr Mary Swartz is originally from Tulsa, OK. She received her veterinary degree from Oklahoma State University in 2009. Following vet school she completed a one-year equine ambulatory internship at the Virginia-Maryland Regional College of Veterinary Medicine in Blacksburg. After her internship she completed a clinical theriogenology (reproduction) residency at Oklahoma State University leading to her becoming a board-certified Theriogenologist in 2012. Following her Therio board certification she pursued extra training in veterinary chiropractic and acupuncture. She has been an AVCA certified animal chiropractor and MAV certified veterinary acupuncturist since 2013. In her spare time, she enjoys spending time with her horses (Doc, Vinny, Kryptonite and Cupcake) and her active hound dogs (Felina, Fulton and Samson).

Debbie Stumpf, RVT

Registered Veterinary Technician

Debbie is our head veterinary technician.

She is a 2004 graduate of Tulsa Community College’s veterinary technician program.

She is a long-time horse enthusiast. She is an avid barrel racer and also produces a barrel series with her daughter, DJ Havellana, in Skiatook, Oklahoma.

Debbie has 5 horses, 3 dogs, and a few barn cats.

Tori, RVT

Registered Veterinary Technician

Tori graduated from Tulsa Community College’s Veterinary Technician program in May 2023 and passed her national boards in July 2023. Tori is a long-time horse enthusiast and grew up riding horses. In her free time. Tori enjoys riding horses, fishing, hiking, spending time with friends and her husband and two dogs (George and Bella).


Office and Barn Manager

Originally from Leonard, Oklahoma, Shelby grew up locally in Tulsa County. She attended Bixby High School and went on after graduation to receive her bachelor’s degree in Animal Science and certification in Equine Enterprise Management from Oklahoma State University in 2021. Shelby joined the Mobile Horse Doc team shortly after college graduation in Spring 2021 and has been with us ever since. In addition to her duties as Office and Barn Manager, Shelby is also one of our vet assistants when the need arises.
Shelby is a long-time horse enthusiast and grew up riding with her mother in local horse schooling barns. She enjoys trail riding, arena work, and is extremely passionate about horse care. In her spare time, she can be found either at the gym or at home with her two cats (Dobby and Winky).


Veterinary Assistant

Amanda joined the Mobile Horse Doc team in January of 2020. Amanda is a long-time animal enthusiast and grew up riding horses and helping at her aunt’s small animal clinic. Amanda spent her summers helping teach children how to ride and take care of horses. When she wasn’t helping teach children, she was at ACRA rodeos or in the practice pen. Amanda enjoys barrel racing, team roping, pole bending, goat tying, jumping, dressage, and trick riding. In her free time, she enjoys fishing, ice skating, and spending time with friends and family.


Veterinary Assistant and Social Media Manager

Krista is our Social Media Manager as well as one of our vet assistants. She has a bachelor’s degree in Animal Science from Oklahoma State University and is working on getting into veterinary school. She has five horses, three dogs, and loves to read in her spare time.


Barn Assistant