HHS Acknowledges Error In Enrollment Numbers, Says 6.7M Effectuated-insidehealthpolicy: HHS on Thursday (Nov. 20) acknowledged that it overstated enrollment by nearly half a million people because it had included both dental and medical health plans in recent numbers, and affirmed that there were 6.7 million people enrolled in health plans as of Oct. 15, or 400,000 less than previously asserted.