Our doctors are all members of the American Veterinary Medical Association, among other state and local organizations.

Tad H. Marvin, DVM
After graduating from Hendrix College, Dr. Marvin received his DVM degree from Louisiana State University in 1986 and has been at Bellevue Animal Clinic ever since. He concentrates his efforts in Internal Medicine and Surgery. He also has additional continuing education in Ultrasound Diagnostics.
He and his wife, Annette, have two adult daughters. Whether at work or at home, he is surrounded by women. Even his two Westies are females. He enjoys fishing and playing racquetball. The family attends Christ the King Catholic Church.
Oh, and don’t let the LSU degree fool you. He likes nothing better than for the Razorbacks to beat the LSU Tigers.

Douglas A. Winter, DVM
Dr. Winter grew up in Little Rock and graduated from Hendrix College in 1986 and Oklahoma State University College of Veterinary Medicine in 1990. He joined the staff at Treasure Hill Pet Hospital in 1982 as an 18-year old Animal Caretaker and then returned after earning his veterinary degree. Dr. Winter enjoys internal medicine and soft-tissue surgery cases, but he especially likes getting to know families and their pets. As a history buff and a recent empty-nester, he and his wife Angela enjoy traveling, exploring new cities, and touring mansions from the Gilded Age. Married over thirty years, they have a grown, married daughter who is a pediatrician in St. Louis, and a son currently in law school at New York University in Manhattan. They have two cats and one dog, all local shelter adoptions, to ensure they never become too lazy at home.

April D. Overton, DVM
Dr. Overton is pictured with her Yorkshire Terrier, Mia. She joined the staff of Maumelle Animal Clinic in 2007 after graduating from Louisiana State University and was named hospital director on July 1st, 2017. Prior to entering veterinary school, Dr. Overton grew up in central Arkansas. She began working at Bellevue Animal Clinic as a caretaker during high school. She continued her employment there as a veterinary nurse while attending Arkansas State University at Jonesboro for her undergraduate studies.
Dr. Overton is a member of the American Veterinary Medical Association, the Arkansas Veterinary Medical Association, and serves on the Arkansas Veterinary Foundation Board. She enjoys all aspects of small animal medicine but emphasizes in internal medicine.
Dr. Overton’s family includes her husband, Russell, her two step-children, Emily and Alex, and her twin boys, Connor and William. They also have two fur children; Mia, a Yorkshire Terrier and Sushi, a black short-haired cat. Outside of the clinic she enjoys spending time with her family and outdoor activities, such as camping and kayaking.