Debbie Zimmerman, MD

Corporate Chief Medical Officer, Lumeris and Essence Healthcare

Debbie Zimmerman, MD, has a long and distinguished history of medical leadership at health plans such as Cigna, Group Health Plan and Health Partners of the Midwest. Before joining Essence Healthcare, she served as Chief Medical Officer of Mercy Health Plans, a provider-sponsored plan owned by Sisters of Mercy. She is also an accomplished entrepreneur, having co-founded a successful disease and complex case management firm.

Debbie practiced internal medicine for 15 years, and is licensed to practice in Missouri and Illinois. In her current role at Lumeris, she is responsible for clients’ clinical initiatives as well as clinical content and analytics in the Lumeris Accountable Delivery System Platform (ADSP)®. In her current role for the health plan, she is responsible for clinical quality, medical and pharmacy management and physician practice transformation.

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