Corewell Health William Beaumont University Hospital Cardiology - 4600 Investment Drive, Suite 200 (formally Michigan Heart Group) is located on the northwest corner of Investment Dr., and Crooks in Troy. We are located in the building directly east of Lifetime Fitness, and the building is named UnaSource Health. Park and enter through the front or back of 4600 and take the elevator up to the second floor. Suite 200 is directly in front of you when you exit the elevator.