The guidelines are being met with rejection from many medical centers, breast cancer survivors and numerous doctors.
On Wednesday, the government effectively told women to ignore the guidelines.
Because they are similar to those in Canada and most European countries with nationalized health care, some doctors are now questioning the panel's motives.
On Good Morning America Thursday, Wilt denied that the recommendation was made to help the government spend less on mammograms.
"Costs are not considered at all this is all about providing high quality healthcare," Wilt said. "We do not provide any accessed cost at all in our decision making about this."