Trinity Health IHA Medical Group, Primary Care - EMU serves Eastern Michigan University and the greater Ypsilanti community. Trinity Health IHA Medical Group, Primary Care - EMU is a primary care practice in Ypsilanti, Mich. welcoming patients of all ages. Situated on the Ann Arbor Area Transportation Authority (AAATA)'s Route 3 - Huron River bus line, the practice is within walking distance of the stop at Huron River Drive and Oakwood. Trinity Health IHA Medical Group, Primary Care - EMU is visible from Huron River Drive, but to enter the parking lot you must turn onto Oakwood Street or Mayhew Street and then enter from campus.