Meet our Doctors and Staff

Bruce M. Baker, D.V.M. 

Dr. Baker is originally from the Detroit area and received his veterinary degree from Michigan State University in 1973. After graduation, Dr. Baker came to North Main and has been here ever since. He and his wife Cathy live in Royal Oak, where they are very active in their church and many community organizations. The Bakers and their two grown children are avid Spartans as all four are graduates of Michigan State University.

Dr. Baker is one of the two owners of North Main Animal Hospital and has been since 1982.

James G. Mast, D.V.M.

Dr. Mast grew up in Royal Oak and even worked at North Main while in high school, taking care of the animals and cleaning in the evenings.  He graduated from Michigan State University’s College of Veterinary Medicine in 1985.  He joined the staff at North Main in 1987. He and his wife Marianne live in Royal Oak and have three children. They are active with their church and other community organizations.

Dr. Mast is one of the two owners of North Main Animal Hospital and has been since 1991. He is a member of the American Veterinary Dental Society and makes sure that quality dental care is an integral part of our practice.

April L. Simms, D.V.M.

Dr. Simms is originally from Huntington Woods and received both her B.S. and D.V.M. degrees from Michigan State University. After graduating in 2000, she moved to Royal Oak and has been an associate at North Main Animal Hospital ever since.  Dr. Simms enjoys attending continuing education conferences, and attends many local seminars and a major national conference every year. In her free time she likes to travel, and enjoys participating in such activities as golf, skiing, and exercise.  She especially loves spending time with her loyal companions, Daisy and Luke.

Janelle Konstam D.V.M.

Dr. Konstam was born and raised in the Detroit area. She attended the University of Michigan for two years and then transferred to Michigan State University where she obtained her DVM in 1979. She also met her future husband, Dr Stuart Teger at MSU.

She became an associate at North Main Animal Hospital shortly after graduation and has worked there, more or less, ever since. She has also raised four children, and has had a various assortment of pets over the years.