I 1974 etablerede Richard Taylor Burke ''Charter Med Incorporated'' en [[Minnetonka]], [[Minnesota]]-baseret privat virksomhed. I 1977 blev ''the United HealthCare Corporation''' etableret for reorganisere virksomheden. Det blev moderselskab til ''Charter Med''.<ref name="uhgHist">{{cite web | url=https://www.unitedhealthgroup.com/about/history.html | title=Our History | publisher=UnitedHealth Group | quote=1974: Charter Med Incorporated is founded by a group of physicians and other health care professionals who want to expand health coverage options for consumers. 1977: United HealthCare Corporation is created to reorganize the company and becomes the parent company of Charter Med Incorporated. United HealthCare introduces such health care innovations as pharmacy/drug formularies, hospital admission pre-certification processes, physician office software to manage and control costs, mental health/chemical dependency intermediaries (behavioral health), and an insurance wrap as one feature on top of traditional HMO products. | access-date=23. juni 2019 | archive-url=https://web.archive.org/web/20190620104726/https://www.unitedhealthgroup.com/about/history.html | archive-date=20. juni 2019 | url-status=live }}</ref>
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