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 Managed Care Contracting & Operations team oversees payer contract negotiations, payer contract review, payer contract implementation, and payer contract maintenance.

Managed Care Contracting & Operations 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
Managed Care Contracting & Operations
777 E Eisenhower Pkwy, Suite 500, Ann Arbor, MI 48108