Meet the Dedicated Team

Winter Garden’s Premier Veterinary Care!

Our clinic is home to a team of passionate, caring, and skilled doctors dedicated to providing exceptional care for your beloved pets. Whether your pet needs a surgical procedure or a routine health check, you can rely on our experienced team for compassionate and comprehensive care.

Our Doctors

Dr. Jon E. Nadler

Practice Owner, DVM

Dr. Nadler graduated from the University of Florida, College of Veterinary Medicine in 2002. After graduation, he married his girlfriend of 8 years and moved back to his hometown, Orlando, to begin working as a veterinarian. Dr. Nadler began as an associate in Oveido where he worked for 4 years. He then came to the West Orange Veterinary Hospital as a part time employee in early 2007.

He became a partner on January 1, 2008. Dr. Nadler has extensive knowledge in canine and feline surgery and medicine. He is a wonderful asset to our team!!! He and his wife Melissa welcomed their first child, Jackson, in April of 2006.

During his time off, you can probably find him at “The Swamp” attending a Florida Gator football game, hacking his way through a local golf course, or on a boat trying to catch an elusive fish.

Dr. Hunter Schrank

Practice Owner, DVM

Dr. Hunter Schrank received his Bachelor’s Degree in Zoology from The University of Florida, where he became a published researcher in marine biology. He went on to receive his Doctorate in Veterinary Medicine from the University of Florida as well, where he served as his class president for his entire doctorate program.

After graduating, Dr. Schrank and his wife moved to Texas, where they started a family. They have two children, a daughter and son, and two adopted animals, a dog and cat. Dr. Schrank is a proud born and raised Floridian (and Gator), and he and his family are excited to be back in the state that they call home. Dr. Schrank has a lot of varied interests, and his hobbies include personal fitness, surfing, snorkeling, free diving, boating, fishing, snowboarding, video games, and dining out.

Dr. Schrank’s passion for veterinary medicine goes well beyond his love for animals and feels honored to be able to provide care to animals in need. He relishes a challenge and constantly looks to improve his abilities for the betterment of the care that he provides to his patients. He has a curious personality and enjoys using modern diagnostic methods and therapies to ensure that his patients receive a high standard of care to the best of his abilities.

He treats each one of his patients as if they were his own pet, and understands that the relationship between people and animals, for many individuals, is just as much about family as it is about friendship.

Dr. Xander Casad

Practice Owner, DVM

Dr. Casad graduated from Cornell University College of Veterinary Medicine in 2020. Originally from Kansas, Dr. Casad moved to Central Florida in 2011 to work as a performer at Walt Disney World. 

He met his wife, Rebekah, during their time at Disney and continued to perform in parades, stage shows, and puppet shows for five years prior to veterinary school.

Dr. Casad is passionate about providing high-quality, evidence-based medicine in a primary care setting and enjoys the opportunity to provide the full spectrum of medical, surgical, and dental care to our patients. He is especially interested in dermatology, chronic disease management, and emergency medicine, and has completed additional training in abdominal ultrasound imaging.

Besides spending time with his son, daughter, dog, and cat, he enjoys running, cooking, college football, and watching reality competition shows

Dr. Rebecca Brown


Dr. Brown joins us from Washington State University where she received her Bachelor of Science in Zoology in 2009 and Doctorate of Veterinary Medicine in 2017. While obtaining her undergraduate degree Dr. Brown volunteered to help care for grizzly bears and researched transgenerational epigenetic inheritance in rats. During Veterinary school Dr. Brown had a research project on normal heart rates for healthy puppies and raised two puppies for Guide Dogs for the Blind. After graduating with her Doctorate she moved with her husband to Florida. 

Dr. Brown enjoys spending time with her husband, two sons and pets. Dr. Brown enjoys exploring Florida with her family, reading and cooking. Her passions within veterinary medicine include dentistry, preventative medicine, dermatology, internal medicine, surgery, and end of life care. Dr. Brown also has a special place in her heart for nervous pets and trying to make their experiences to see her as stress free as possible.

Dr. Clemence Markwardt


Dr. Clemence Markwardt grew up in France and moved to Texas with her family when she was 14. She moved to Central Florida in 2018 and loves being close to the theme parks which she visits frequently.

Dr. Markwardt lives with her husband, their cat Kiwi, their dog Nugget and two guinea pigs Bianca and Adore. Dr. Markwardt is Fear Free certified and strives to make each pet’s visit as comfortable as possible through a gentle approach and lots of treats!

Dr. Katie Passilla


Dr. Passilla grew up in Winter Garden, FL and received her Bachelors of Science in Zoology from the University of Florida (Go Gators!) in 2019. She graduated from Kansas State College of Veterinary Medicine in 2023 and missed FL so much she decided to move back to Orlando to start her career. Dr. Passilla is excited grow her interests in surgery and ultrasound at WOVH!

Dr. Passilla is the proud mom to a spoiled, but handsome cat named Finn. In her spare time, she enjoys yoga, gardening, boating, eating out, scuba diving, crocheting, and spending time with friends and family.