Dr. James R. Ryterski

A St. Louis native, Dr. Ryterski graduated cum laude in 1983 from the University of Missouri College of Veterinary Medicine. After graduation, he worked two years in a rural practice in Southern Illinois before relocating back to St. Louis where he began work at our affiliated practice Grantview Animal Hospital. In 1989, Dr. Ryterski moved to Brentwood Animal Hospital to manage operations upon the retirement of founder, Dr. Tom Shore.

Dr. Ryterski professional interests include orthopedic and soft tissue surgery, dermatology, and internal medicine. He is a member of the American Veterinary Medical Association, Missouri Veterinary Medical Association, Greater St. Louis Veterinary Medical Association, American Animal Hospital Association, and Phi Zeta Veterinary Honor Society and was chosen as one of St. Louis’ Top Veterinarians by St. Louis Magazine (December 2010).

Dr. Ryterski is married to Dr. Sherry Headrick, who practices Veterinary Rehabilitation and Acupuncture at Brentwood Animal Hospital. They have two children, Bob and Claire. The furry members of the Ryterski household consist of one dog, Sadie, and two cats, Cookie and Remy. In his free time, Dr. Ryterski enjoys the outdoors, fishing, and collecting and restoring antique farm tractors.



Pet Health Checker
Use our Pet Health Checker tool to help you decide if your pet's symptoms require immediate attention or if you should continue to monitor those symptoms at home.



Location Hours
Monday8:00am – 8:00pm
Tuesday8:00am – 8:00pm
Wednesday8:00am – 8:00pm
Thursday8:00am – 8:00pm
Friday8:00am – 5:00pm
Saturday8:00am – 2:00pm
SundayClosed



Pet Health Library
We share the same goal – ensuring your animal companion is healthy and happy!