Pathways Health Partners. Pathways Health Partners. is an Accountable Care Organization (ACO) on the forefront of helping independent providers make the transition to Value-Based Care. Pathways operates a Medicare REACH ACO, a Medicare Advantage MSO, and a Commercial MSO responsible for approximately 16,000 patients throughout North-West/Central Florida. Our service area is The Villages, down to St. Petersburg, across to Mount Dora, and areas in ...