Home › Top 8 Obstetrician-gynecologist in Lake Forest, Illinois Find best Obstetrician-gynecologist in Lake Forest, Illinois, with all necessary contact information, including addresses, phone numbers, working hours, map locations, and website links. Oshin Leslie G MD US, Lake Forest, IL 60045900 N Westmoreland Rd Ste 228 Dr. Tanner L. Colegrove, MD US, Lake Forest, IL 60045900 N Westmoreland Rd Ste 207 Schewitz Lionel J MD US, Lake Forest, IL 60045900 N Westmoreland Rd Ste 228 Dr. Karen J. Mass, M.D., F.A.C.O.G. US, Lake Forest, IL 60045840 S Waukegan Rd suite 208 Jacobson Rebecca E MD US, Lake Forest, IL 60045915 N Waukegan Rd Dr. Ian A. Grable, MD US, Lake Forest, IL 60045660 N Westmoreland Rd Northwestern Medicine Obstetrics and Gynecology Lake Forest Hospital US, Lake Forest, IL 60045900 N Westmoreland Rd Suite 112 Heather Heiberger, MD, FACOG US, Lake Forest, IL 60045959 S Waukegan Rd 2nd floor