 CHICAGO--BUSINESS WIRE--Oak Street Health NYSE: OSH, a network of value-based primary care centers for adults on Medicare has opened Oak Street Health Community Clinics at three Walmart supercenters in the Dallas-Fort Worth area. The openings at Walmart come as Oak Street Health also opened another new center at 2110 N. Galloway Avenue, Suite 116 in Mesquite, Texas, on November 16. Oak Street Health now serves patients in Texas across eight centers. This year, more than ever, its crucial 