Health and Human Services Secretary Robert F. Kennedy Jr. posted a document Friday proposing to strip public participation from much of the business his department conducts. The move comes during a time of major upheaval across federal health agencies, and as the public waits to see how Kennedy will enact his pledge of “radical transparency” at the department.

The statement, placed in the Federal Register, said HHS would rescind its longtime practice of giving members of the public a chance to comment on the agency’s plans....