Dr. Gary D. Norsworthy is a 1972 graduate of Texas A&M University. He practiced for two years at the Cat Clinic of Seattle, Washington then 25 years in San Antonio in a dog and cat practice. In 2000 he opened the only feline-exclusive practice in San Antonio.
Dr. Norsworthy has lectured extensively in the United States, Canada, Australia, and Brazil on feline diseases. He is the editor and major author of six feline textbooks, a unique accomplishment for a full-time private practitioner. The most recent of his books for veterinarians are the Fourth Edition of The Feline Patient published by Blackwell Publishing in 2010 and Nursing the Feline Patient, the first American feline textbook for technicians. The Feline Patient has been translated into Spanish, Portuguese, Japanese, Italian, Chinese, and Korean. He is also one of the veterinary editors for Cat Fancy magazine. He is a charter Diplomate of the Feline Practice Category of the American Board of Veterinary Practitioners, holds the position of Adjunct Professor, College of Veterinary Medicine, Mississippi State University and Adjunct Professor (Clinical Professor of Veterinary Medicine), Western University of Health Sciences, and is the International Director of the Brazilian Academy of Feline Medicine. He was chosen for the 2009 Practitioner of the Year Award in the Medical Specialist category by the Texas VMA and appeared on Animal Planet in March 2011 in a special series on cats.
His hospital, Alamo Feline Health Center, was chosen as a Practice of Excellence by Veterinary Economics magazine. It hosts a constant stream of externs and visiting practitioners from many US veterinary schools and from Canada, Japan, Finland, France, Slovakia, and Brazil. His influence in feline medicine has been felt by practitioners around the world. Although he loves writing and lecturing, his first love is the practice of feline medicine and surgery, which he does on a daily basis.