Managed Care Contracting & Operations
Michigan Medicine campus aerial view

Responsible for the administration of managed care contract agreements between Michigan Medicine and a wide range of healthcare delivery options.

The Contracting team oversees contract negotiation, contract review, contract implementation, and contract maintenance.

Contracting Office Leadership

Ryan O'Roark
Chief Contracting and Managed Care Operations Officer
[email protected]

Jacqueline Kirejczyk
Director of Managed Care Contracting and Operations
[email protected]

Christian Nienhaus
Manager of Managed Care Operations
[email protected]

Contact Us
Contracting Office
777 E Eisenhower Pkwy, Suite 500, Ann Arbor, MI 48108