[2] Oak Street Health was founded in 2012 by Mike Pykosz, Griffin Myers and Geoff Price and is headquartered in Chicago, Illinois.

[3][4][5] Oak Street Health is the only primary care provider selected by the AARP.

[8][9][10] The company offered 15.6 million shares at $21 per share on the New York Stock Exchange, where it was traded under the ticker “OSH.”[11] In October 2021, Oak Street Health acquired RubiconMD, a healthtech company for $130 million, the deal enables Oak Street to integrate its care model with virtual specialty care of RubiconMD.

[13] In September 2024, the company paid $60 million to settle a lawsuit for violating the federal Anti-Kickback Statute.

[14] Oak Street Health head office is based in Chicago, Illinois.