Meet Our Team

Dr. David Chancellor is a native of the Dallas area and a 1975 Graduate of The Texas A&M University College of Veterinary Medicine. He is the founder and current co-owner of Ennis Veterinary Clinic. Dr. Chancellor has been practicing small and large animal medicine and surgery in both Ellis and Dallas counties and the surrounding area since 1975. His primary practice interests currently are medicine and surgery for dogs, cats, horses and cattle. Dr. Chancellor is a long time supporter of the Boy Scouts of America, is very active in the Ennis Gun Club and the National Rifle Association and is an avid hunter, fisherman and outdoorsman. He and his wife Jana have 2 children, Laura and Glenn.

Dr. Mack Boyd is a native of Navarro County and grew up on a farm that has been in his family since 1892. He is a graduate of Texas A&M University where he received a Bachelor of Science degree in Animal Science in 1979 and his Doctor of Veterinary Medicine degree in 1983. Dr. Boyd and his wife Molly moved to Ennis in 1987 to work at Ennis Veterinary Clinic and subsequently became a full partner in 1990. His practice includes medicine and surgery for dogs, cats, cattle and equines. For many years he has enjoyed sharing his veterinary skills and knowledge with impoverished people around the world through short term veterinary mission trips. He also served the Ennis community from 1999 to 2014 as a member of the Ennis Independent School District Board of Trustees. He and his wife Molly have two children, Jamie, a graduate of Texas A&M University and Rob, a graduate of Abilene Christian University. Dr. Boyd seen here with Betik.

Dr. Gary Wilson grew up in Dallas, Texas. He attended “The University” in College Station, Texas receiving a Bachelors Degree in Biomedical Science in 1972. He received his Doctor of Veterinary Medicine Degree from Texas A&M University in 1975. Dr. Wilson’s practice interest is primarily medicine and surgery of canines and felines. He is married to his wife Cheri and they have a combined family of 3 sons and 2 daughters. They have also been blessed with 5 grandchildren. He joined the staff at Ennis Veterinary Clinic full time on July 11, 2006 after owning 2 animal hospitals in the Houston area. According to Dr. Wilson, his best days are spent riding the hills and curves of the country roads on his Harley. Dr. Wilson seen here with his friend, Roscoe.

Dr. Courtney Wade grew up in Benbrook, Texas near Ft. Worth. She attended The University of North Texas where she graduated with a major in Biology and a minor in Chemistry. She attended Texas A&M University College of Veterinary Medicine where she received her DVM degree in 2005. While at Texas A&M, Dr. Wade received the Gentle Doctor Award during her 4th year, recognizing her gentle nature with animals. Dr. Wade's primary practice interest are small animal medicine and surgery. She likes to spend time with her three kids, her rescue dog Otis, her cat Chicken and her hedgehog Uganda.

Dr. Mike Dunavant was reared on a cotton farm near Lubbock, Texas. Today, Dr. Mike, his wife Judy and their Miniature Australian Shepherd, Toby live in Corsicana Texas.

 Dr. Mike is a graduate of College of Veterinary Medicine at Texas A&M University. Over the years Dr. Mike has cared for large and small animals in Wisconsin, Oklahoma, Vietnam, Colorado, Texas and elsewhere.

Dr. Mike got his master's degree during 1970 at Colorado State University studying Clinical Pathology (which includes laboratory tests and making diagnosis and treatment more accurate and effective). 

Why do this for 55+ years? He loves the animals; He loves the owners and he gets paid for doing what he loves. What a deal! 

Annette Hornik is one of the smiling faces that you will see at the front desk of Ennis Veterinary Clinic. She has been an integral part of the daily operations of the clinic since 1983. Annette grew up mostly in the Ennis area and is a graduate of St. John High School in Ennis. Annette has been a life long lover of animals of all kinds. She and her husband Robert have been married for 44 years and have a house and farm full of animals. Their “herd” includes cattle, sheep, chickens, cats and a donkey along with a special dog named Pebbles. She’ll be looking forward to seeing you on you next visit! Shown here with Pebbles.

Cathy Johnson is likely to be one of the first people you meet when you come to Ennis Veterinary Clinic. She has been a receptionist here since 1995. She and her husband Donel have 4 children, and 4 grandchildren. They have 2 dogs, 4 horses and 4 cows. Cathy loves animals and loves working in the family atmosphere of Ennis Veterinary Clinic. Cathy is shown here with Bella and Brinklie.

Cindy Krause, Licensed Veterinary Technician, is a native of Colorado. She completed her veterinary technician training at Bel-Rea Institute of Animal Technology, followed by an externship in the veterinary department of Colorado State University, in May 1977. After that she headed straight for Texas! She worked in a mixed veterinary practice and for the University of Texas Health Science Center before being asked to teach for the Cedar Valley College Veterinary Technology program. After 17 years teaching in the Vet Tech program and another 13 years in the Science Department, she was able to retire and return to her profession as a Licensed Veterinary Technician here at Ennis Veterinary Clinic. Taking care of you and your pets is a real passion of hers. In her spare time, Cindy enjoys working as a permitted wildlife rehabilitator. Cindy is shown here with Luc.

Karen McMillan is a Licensed Veterinary Technician and graduate of Cedar Valley College. She joined the team at Ennis Veterinary Clinic in August 1998. Karen has 30+ years of veterinary technician experience. Over her career she has worked in small and large animal practices and also has experience with exotic animals and in emergency hospitals. She is the proud owner of horses, donkeys, dogs, cats, rabbits and chinchillas! She says that the creatures she loves the most are her husband William, their 4 children, and her sweet grand baby. In her spare time, Karen manages wildlife property and volunteers in a variety of community functions. She is shown here with Pasley and Bernard.

Melinda Stroud is a Licensed Veterinary Technician who began her career at Ennis Veterinary Clinic as a part time employee when she was in high school. With the support and encouragement of her co-workers, she attended Cedar Valley College, graduated and received her Licensed Veterinary Technician certification in 2005. Melinda truly enjoys being a part of the Ennis Vet Clinic team and caring for animals. Her favorite parts of the job are the dental cleaning procedures that she does for your pets and assisting with various small animal surgeries and wound treatments. Melinda is shown here with her friend, Brick.

Roxanne Martin is a veteran of more than 40.5 years with Ennis Veterinary Clinic. She grew up mostly in Palmer, Texas and graduated from Palmer High School. When she began her service with Ennis Veterinary Clinic, she was one of only 2 staff employees in addition to the 2 doctors at that time. Roxanne is currently assisting with accounts payable and does the ordering and merchandizing for the Hill’s Science Diet products. Roxanne is semi retired and enjoying life with her 9 grandkids, her husband Kelly, her 2 children, and her cat named Smoke.

James Harp shown here with his friend, Buddy.

Meghan McDearmon is a Licensed Veterinary Technician who began her career at Ennis Veterinary Clinic in 2020. After graduating for Cedar Valley College in 2021, and with much encouragement former co-workers, proceeded to get her license this last year. She has a love for all the fur babies and can't wait to meet yours! 

Sarah Zavala is a Licensed Veterinary Technician and a 2014 graduate of Cedar Valley College. She joined the Ennis Veterinary Clinic team in May of 2021.  Sarah has nearly 10 years of veterinary technician experience. Over her career she has worked in mixed animal and small animal practices, most recently she worked with the kind folks at Animal Dermatology Referral Clinic. She enjoys spending time with her family, exploring the great outdoors, and loving on her horse, Arizona, her dog, Scout, and her cats, Carmen and Juni. 

Rachele Broussard is a veterinary technician with 6 years of experience and educated in providing support to veterinarians in medical and surgical procedures. She joined the Ennis Veterinary Clinic team in September of 2021. She strives to continue learning new things and to provide the utmost care and compassion to every animal and client she sees. She spends her free time with her husband, her bonus daughter and her three dogs in her Waxahachie home. 

Lauren Toland is a kennel and veterinary technician who joined Ennis Veterinary Clinic in April of 2016. She has a passion providing care for the animals boarding and under hospitalization in the kennel. On her spare time she enjoys being at home on her farm where she has several goats, chickens, dogs, cats, turkeys, cows, and a snake. This year she will be having her first child in June. 


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Office Hours

Our Regular Schedule

Ennis Office


8:00 am-12:00 pm

1:30 pm-6:00 pm


8:00 am-6:00 pm


8:00 am-6:00 pm


8:00 am-6:00 pm


8:00 am-6:00 pm


8:00 am-10:30 am




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