SSM Health, Optum collaborate Ryan Voyles 3 years ago SSM Health and Optum, a subsidiary of UnitedHealth Group, have inked a deal to partner on several administrative functions, including inpatient care management, digital transformation and revenue cycle management.To access this content, you must purchase 1 Year Health News Illinois Subscription or 1 Year Group Subscription - Up to 5 Users, or log in if you are a member.