Charles Willey, CEO, Chief Medical Officer

Dr. Willey continues to practice general internal medicine after 30 years. He has engaged the business of medicine his entire career and has experience on all sides with an emphasis on insurance. Dr. Willey was founder and CEO of Essence Healthcare for its first four years of operation. Dr. Willey also led Esse’s professional liability insurance captive, Essential RRG. 

He created a cross IPA risk sharing model that supplants a substantial layer of reinsurance.  Dr. Willey has organized physicians into very successful groups including, Innovare Health Advocates, Esse Health, Senectus II and the South County OutPatient Surgery Center, the latter of which was a group of surgeons.  He has also led the production of an electronic prescription writer which evolved into an EMR as well as the population health management software that has evolved to the product Essence Group Holdings now call ADSP.  Dr. Willey has advised hospitals on quality, performance and critical relationships with physicians.

Dr. Willey received his M.D. degree at the University of Missouri at Columbia and completed his Internal Medicine residency at St. John’s Mercy in St. Louis.



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