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Welcome to Oakdale Animal Hospital
Your Veterinarian in Brandon, Flowood, Reservoir Area MS
Call us at (601) 829-9949

Pet Emergency? Call us right away at (601) 829-9949!

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Oakdale Animal Hospital is a full-service veterinary medical facility, located in Brandon, MS. The professional and courteous staff at Oakdale Animal Hospital seek to provide the best possible medical care, surgical care and dental care for their highly-valued patients. We are committed to promoting responsible pet ownership, preventative health care and health-related educational opportunities for our clients. Oakdale Animal Hospital strives to offer excellence in veterinary care to Brandon and Flowood, MS and surrounding areas. Please take a moment to contact us today, to learn more about our veterinary practice and to find out more information about how Oakdale Animal Hospital can serve the needs of you and your cherished pet.

Dr. William Sullivan, Dr. Jason Gray, and Dr. Gina Blackwell are licensed MS veterinarians, treating all types of pets. Your pets’ health and well being are very important to us, and we take every possible measure to give your animals the care they deserve.

Oakdale Animal Hospital is a full-service animal hospital and welcomes both emergency treatment cases as well as pet patients in need of routine medical, surgical, and dental care. Our veterinarians have years of experience treating serious conditions and offering regular pet wellness care. Beyond first-rate pet care, we make our clinic comfortable and calm, so your pet can relax in the waiting room and look forward to meeting our Brandon veterinarians.

We are happy to offer a number of resources that enable you to learn about how to take better care of your pets. Please feel free to browse our site, particularly the informational articles. The best veterinary care for animals is ongoing nutrition and problem prevention, so becoming knowledgeable about preventative pet care is essential to the ongoing success of your animal’s health. If you have any questions, call (601) 829-9949 or email us and we'll promptly get back to you. Our Brandon veterinary office is very easy to get to -- just check out the map below! We also welcome you to subscribe to our newsletter.

At Oakdale Animal Hospital, we treat your pets like the valued family members they are.

Dr. William Sullivan
Dr. Jason Gray
Dr. Gina Blackwell
Brandon Veterinarians | Oakdale Animal Hospital | (601) 829-9949

2028 Highway 471
Brandon, MS 39047

Our Clinic's Mission


  • Treat each pet as if it were our own
  • Treat all patients and clients with respect and dignity
  • Educate clients so that they can make informed decisions regarding their pet's care
  • Provide quality veterinary care at an honest and affordable price
  • Always exceed client's expectations

Meet Our Veterinarians

Learn Who We Are

  • Drs. Bill and Jennifer Sullivan

    Drs. Bill and Jennifer Sullivan graduated from MS State College of Veterinary Medicine in 1992 with an emphasis in small animal internal medicine and and surgery. Married since 1992, they have 3 children, Brian Joseph, and twins Will and Annie. They are active members of Pinelake Church. Dr. Bill's special interests are internal medicine, oncology and dental disease. Dr. Jennifer's special interests are surgery and internal medicine. Their pet family includes 2 Chihuahuas named Charlie and Lola.

  • Dr. Robert Jason Gray

    Dr. Robert Jason Gray, son of Bobby and Marena Gray, was born and raised in Polkville MS. The time he spent there on his family's small poultry and cattle farm sparked an early interest in animal husbandry and care. After graduating high school at East Rankin Academy, Dr. Gray received a Bachelor of Science from the University of Southern Mississippi prior to receiving his Doctorate from Mississippi State University's College of Veterinary Medicine. Since graduating, Dr.Gray has worked at a small animal private practice in Jackson as well as the Animal Emergency and Referral Center in Flowood where he has focused on his primary interests of small animal internal medicine and critical care. Dr. Gray is honored to be an addition to the Oakdale Animal Hospital family and extremely eager to serve the families and care for the animals of the surrounding area. Dr. Gray currently lives in Brandon with his wife, Candace Coker Gray, sons Lowery and Davis, and his pets Millie the Pug, Matilda the Shar-pei, and Jack the cat. Outside of work, he enjoys fishing, working outdoors, and spending time with his family and friends.

  • Dr. Gina Blackwell

    Dr. Gina Blackwell is originally from Laurel, MS, but has lived in the surrounding area since 1980. She is pleased to join the Oakdale Animal Hospital team and is eager to meet and serve our family of pets and their owners. Her interests include internal medicine, preventive medicine, dermatology, and dental care. She also enjoys working with geriatric patients to help ensure that their quality of life is the best it can be. She graduated from Mississippi State University College of Veterinary Medicine in 2007. Prior to vet school, she was a registered respiratory therapist. Dr. Blackwell’s hobbies include spending time outdoors working in her yard, reading, and spending time with family and friends. She resides in Florence, MS where she shares her small farm with four dogs, one cat, three horses, 13 chickens, and three guineas.


Read What Our Clients Say

    Our family would not consider taking our pets anywhere else. The entire staff is is so kind and engaging. We know our pets are getting the very best of care every time we visit. Thank you for all you do!


    Dr. Gray is the best. Will arrange our appointments around his schedule. Staff is also awesome. Love the care my pets receive


    Dr Sullivan and his staff are great. Because of the excellent care they have given Baron and now Toby, I will always drive from Madison to Oakdale in Brandon. They have always made my pets welfare and health number 1.


    This was the most thorough puppy exam I’ve ever seen.


    The staff was knowledgeable and friendly. My pets were treated as though they were the favorites.


    The staff and the veterinarians at Oakdale are always friendly and considerate and treat me and my pet with courtesy and consideration. The facility is always spotless and I enjoy taking my pet there.


    This is clearly the best Animal Hospital I have ever visited! Exceeded my expectations!


    I’ve always had a very good experience every time I visit. That’s over 12 years of great service!!!


    We feel confident that our girls are well cared for when boarded. It is reassuring that the staff is kind and gentle with them.


    I was so impressed with the caring staff and genuine concern for my furbaby. I was asked, more than once, if I understood what all was going to be done and encouraged to ask questions.


    Best clinic and boarding I have ever experienced . The entire staff is personable and treat our pet like their own. We couldn't be more pleased!

    Gail C.

    Oakdale has great vets and staff that always keep me informed about my dog. I appreciate all the extra efforts they take to treat my fur baby like their own.

    Deborah L.

    Oakdale Animal Hospital is great! The staff is so friendly and they treat your pets like family.

    Fran G.

    Always accommodating and friendly staff. They take great care of my pups and know them by name.

    Allison P.

    Very happy with the awesome service my dog received at your clinic!

    LaVonda W.

    Staff was very friendly and interested in our new puppy. Doctor Gina was knowledgeable and very helpful in providing information about the health and growth of our puppy.

    Frank F.

    Extremely excited to have found you guys! I feel like every person there loves their job and our 4-legged babies!

    Donna S.

    Great team who sincerely cares about your pet...

    Brea C.

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Office Hours

Our Regular Schedule



7:30 am-5:30 pm


7:30 am-5:30 pm


7:30 am-5:30 pm


7:30 am-5:30 pm


7:30 am-5:30 pm


8:00 am-12:00 pm


4:00 pm-5:00 pm

(Boarding Drop-Off & Pick-Up Only)

Please Note: Clinic hours may vary on holidays.