Medical groups bit MCO providers; few in PHOs.
Johnson
D E
DE
D003625:Data Collection; D006123:Group Practice / Q000191:economics / Q000706:statistics & numerical data*; D006759:Hospital-Physician Joint Ventures / Q000191:economics / Q000706:statistics & numerical data*; D008329:Managed Care Programs / Q000706:statistics & numerical data*; D008511:Medicine / Q000706:statistics & numerical data; D013038:Specialization; D014481:United States