Doctors & Staff
David Tollon, DVM, Owner
Dr. David Tollon is a co-owner of Oakhurst Veterinary Hospital. He graduated from Ohio State University with a degree in veterinary medicine and M.S. in Business Administration. Dr. Tollon describes a day at Oakhurst as fun and enjoyable because he truly enjoys interacting with clients and ensuring they have a great client experience. Supportive of students and continuing education, Dr. Tollon is also an instructor in the Veterinary Technology program at St. Petersburg College.
In his free time, he enjoys running, swimming, exercising, and spending time with his family. He’s even ran in the Boston and New York Marathons! At home, Dr. Tollon has one pet, a Dachshund named Abby.
Autumn McKenzie, DVM, Owner
Originally from Hong Kong, Dr. Autumn McKenzie always had an interest in science and medicine, and focused her energy on animal medicine after being inspired by an equine veterinarian. Dr. McKenzie earned her degree in veterinary medicine from the University of Florida in 2007. She enjoys developing strong doctor, client, patient relationships and uses these bonds to keep pets feeling their best. Dr. McKenzie’s areas of professional interest include preventive medicine, dentistry, and soft-tissue surgery.
When Dr. McKenzie is not practicing high-quality medicine, she savors time horseback riding, reading, playing tennis, traveling, and spending time with her husband and two children. At home, Dr. McKenzie has three pugs, Auggie, Rocco, Pickle, and a yellow-belly turtle, Turbo.
Dr. McKenzie became a partner and owner at Oakhurst Veterinary Hospital in April of 2017.
Cheryl Ayscue, DVM
Dr. Cheryl Ayscue graduated from the University of Florida College of Veterinary Medicine in 1999. She followed an unusual path, beginning her career as a teacher, and later obtaining a master’s degree in counseling in order to work with children and their families. Dr. Ayscue finds that being a veterinarian is a perfect blend of her previous careers, as every day involves teaching families how best to care for their pets and helping to counsel them through decisions involving their pets’ health. She currently has a cat named Chico.
Karen Tyndall, DVM
Born and raised on the Eastern Shore of Maryland, Dr. Karen Tyndall wanted to be a veterinarian for as long as she can remember. She received her undergraduate degree in Biology from St. Andrew’s Presbyterian College (now St. Andrew’s University), and went on to earn to her Doctorate of Veterinary Medicine degree from North Carolina State College of Veterinary Medicine in 1998. In 2009, Dr. Tyndall joined the team at Oakhurst Veterinary Hospital.
Dr. Tyndall enjoys just about every aspect of veterinary medicine—internal medicine, surgery, behavioral counseling, and the relationships she forms with clients and their pets. She primarily cares for dogs and cats, and will occasionally see pocket pets like guinea pigs, rats, and mice. She has professional interest in feline medicine and is happy to provide care for even the feistiest of kitties.
Dr. Tyndall also has two furry children at home; Riley, a sweet and handsome hunk of a kitty, and Stevie Ray, a silly, adorable, and mischievous little boy kitten. Though she doesn’t have any dogs at this time, she plans to add to her pet family soon.
In her free time, Dr. Tyndall likes to make jewelry, meditate, kayak, listen to music, and sing. In fact, Dr. Tyndall used to have a second job as the female singer of a pop, rock, and blues band but left the group once she became a mother. She shares a home in Madeira Beach with her husband, Peter, and elementary-aged daughter, Sara, and has an adult stepdaughter who lives in Hollywood, California.
Kim Donovan, DVM
Dr. Kimberly Donovan, Veterinarian and Medical Director, received her degree in veterinary medicine from Ross University in 1997. Her path to becoming a veterinarian began as a child, and she describes her experience growing up with cats and dogs as an important part of her happiness and wellbeing. She learned many valuable lessons caring for her own family pets: forgiveness, unconditional love, patience, responsibility, and determination. These valuable lessons and the bonds she developed with her own pets encouraged her to pursue a career in veterinary medicine. Dr. Donovan feels that helping other pet owners maintain and cherish the irreplaceable bonds they have with their pets is a vital part of her veterinary ideology. In addition, Dr. Donovan volunteers her time to teach pet CPR training to first responder students and anesthesia at SPC to veterinary technology students. Her areas of professional interest include feline medicine and dermatology.
At home, Dr. Donovan has three cats named Smokey, Onyx, and Momma. In her free time, Dr. Donovan enjoys dancing, horseback riding, and indulging in Italian cuisines.
Lynn Buonasera, DVM
Dr. Buonasera graduated from the University of Florida with her veterinary degree in 1987. She joined Oakhurst Veterinary Hospital in 1989. Lynn says that when she was three or four, her mom took her to her god-parent’s house. She made the statement that she wanted to be a doggie doctor and has never changed her mind. Lynn currently has three cats: May-Li, Tuxie and Sophie. Her favorite part of the job is seeing her clients and their pets, helping sick pets get better, surgery and dentistry. She also likes seeing her occasional exotic pets.
Marie Raver, DVM
Dr. Marie Raver obtained her degree in veterinary medicine from Ohio State University in May 2014, and joined the medical team at Oakhurst Veterinary Hospital in January 2017. Driven to become the best veterinarian for clients and their pets, Dr. Raver was a member of the Student Chapter of the American Veterinary Medical Association, American Veterinary Dental Society, and Veterinary Emergency and Critical Care Society while earning her Doctor of Veterinary Medicine. Most recently, Dr. Raver practiced high-quality animal medicine in the St. Petersburg area. A valued member of the veterinary community, Dr. Raver has been an active member of the Pinellas County Veterinary Medical Association. She also teaches anesthesia lab at SPC. Dr. Raver’s areas of professional interest include dentistry and surgery.
When Dr. Raver is not caring for pets at Oakhurst, she volunteers with her favorite rescue group that supports dogs with special needs, LoveyLoaves Sanctuary. At home, Dr. Raver has eight rescue dogs of her own, two of which are wheelchair bound. In her free time, she enjoys playing indoor volleyball, running, watching Harry Potter, and spending time with her many dogs and cats.