Surgeon, ER, General Practice
Dr. Mark Williamson spent the majority of his career as an emergency vet in Michigan before relocating to Florida and joining the veterinary medical staff at Dunedin Animal Medical Center. Dr. Williamson and his wife are the proud parents of a dog named Griffin.

General Practice, Dental
Dr. Diana Delgado joined Dunedin Animal Medical Center in the fall of 2015. She grew up in Tampa Bay and completed her Bachelor and& Master’s degree at the University of Florida. Dr. Delgado earned her BVM&S at the University of Edinburgh in Scotland. During her free time, she enjoys traveling, nature, photography, and outdoor adventures. She’s happy to have found a new home in Dunedin with its strong Scottish heritage, which reminds her of her time in veterinary school.

Dr. Andrew DeStefano
Surgeon, ER, General Practice
A Florida native, Dr. Andrew DeStefano earned his undergraduate degree from the University of Florida and graduated from University of Florida College of Veterinary Medicine in 2017. Dr. DeStefano is eager to serve his community by helping people strengthen the bond they have with the animals in their lives. Dr. DeStefano is married, with a (mischievous) Beagle named Ollie.

Surgeon, ER, General Practice
Dr. Carmen Stallman has been practicing since 1982. She earned a Doctorate Degree at Texas A&M and had an Internal Medicine Residency University of Tennessee, Knoxville. “I love helping my patients and clients, and love the challenges of internal medicine. My patients make me smile! My husband Dave and I enjoy kayaking, paddle boarding, water skiing, boating, as well as hiking and the mountains.”

Dr. Kathleen Valle
General Practice, Dentistry
Dr. Kathleen Valle joined DAMC in July 2020. She is a graduate from Ross University School of Veterinary Medicine. She is originally from Long Island, NY. After attending veterinary school on the island of St. Kitts, she realized she is no longer equipped for the cold and therefore relocated to the Tampa Bay Area! Dr. Valle is excited to work and help you and your fur babies!

Dr. Ashley Calhoun
General Practice
Dr. Ashley Calhoun grew up in Fort Lauderdale, FL. She received her Bachelor’s degree in Animal Sciences from the University of Florida and graduated Magna Cum Laude from the Texas A&M College of Veterinary Medicine and Biomedical Sciences in 2021. In her free time, she likes to spend time with her family and her fur baby, Tucker. She has also been an equestrian for almost 20 years and loves spending time on the water.

General Practice, Dentistry
Born and raised in College Station, TX, Dr. Brock made plans to become a veterinarian at a very young age. After graduating high school, she got her first job as a technician before moving away from home to enroll in The University of Texas at Austin focusing on Biology and a Pre-Vet career track. She continued her veterinary career by maintaining her position as a technician throughout her undergraduate and brief graduate degree programs. Before graduating with a Masters in biology focusing on Wildlife Conservation and Medicine, she was accepted into The School of Veterinary Medicine at St. George’s University located in Grenada, West Indies. Her first job out of school was an internship in Emergency Medicine after which she earned her title as an associate veterinarian at DAMC.