ST. LOUIS (AP) — UnitedHealthcare notified more physicians that they will be removed from the company’s Medicare Advantage plan on Sept. 1, which may mean thousands of Missourians will have to switch doctors.

it is the second round of cuts to UnitedHealthcare’s Medicare Advantage physician ranks, the St. Louis Post-Dispatch reported (http://bit.ly/1jAMwlw ). UnitedHealthcare is the largest carrier of Medicare Advantage plans for seniors and has about 95,000 plan members in Missouri.