CVS CEO David Joyner's comments come as lawmakers on both sides of the aisle and President Donald Trump have signaled interest in cracking down on PBMs.
The terminations have sowed more confusion at the bureau; several of those being laid off had already accepted federal buyout offers, said a person familiar.
President Donald Trump could announce his reciprocal tariff plan before he meets with Indian Prime Minister Narendra Modi on Thursday, the White House said.