He said he had responded to lawmakers' requests for information and clarity and had accepted every invitation from individual legislators for private meetings.
Medicare chief grilled on the Hill →
Asked by Sen. Debbie Stabenow, Michigan Democrat, about efforts to overturn the health care law in 2011, Mr. Berwick replied, "I can't think of a worse plan than repealing this law."
Recess-appointed Medicare chief gets first grilling →
