Dr. Mark Walker completed his undergraduate studies at the University of Michigan and received his Medical Degree from Wayne State University School of Medicine. His residency in Obstetrics and Gynecology was completed at Wayne State University/Detroit Medical Center/Hutzel Hospital. He is board certified by the American College of Obstetricians and Gynecologists. Dr. Walker joined the active medical staff at Oaklawn Hospital in 1995 and opened Mansion Street OB/GYN that year with his wife and partner Dr. Lori Zettell.
In 2002 Dr. Zettell retired from the practice to stay at home and raise their two children. Dr's Bartlett, Langschwager and Young, and Physician Assistant Elizabeth Ledyard have joined the practice over the past number of years and now comprise Mansion Street Women's Health.
Dr. Walker specializes in vaginal surgery. Outside of work he enjoys spending time with his family - Dr. Zettell presently works part-time for Oaklawn Hospital, son Nick is studying engineering at the University of Michigan and daughter Ellery is a student at Olivet High School and the Battle Creek Area Math and Science Center, church activities, and going on mission trips to South Africa.