IHA - Central Administrative Offices

Headquartered in Ann Arbor, Michigan, IHA is one of the best and largest multi-specialty groups in Michigan delivering more than one million patient visits each year. IHA employs more than 2,200 staff, including more than 650 providers consisting of physicians, nurse practitioners, physician assistants and midwives in approximately 70 practice locations across Southeast Michigan. Recognized as Metro Detroit’s Top Physician Group by Consumer Reports magazine, IHA also ranks in the top quartile for patient, staff and provider satisfaction nationally. IHA offers patients extended office hours and urgent care services, along with online patient diagnosis, treatment and appointment access tools. IHA is a wholly-owned subsidiary of Saint Joseph Mercy Health System and a member of Trinity Health.