The speech's timing suggests that top Democrats have all but given up hope for a bipartisan breakthrough by Senate Finance Committee negotiators. The White House had given those six lawmakers until Sept. 15 to draft a plan, but next week's speech comes well ahead of that deadline.
It will come a day after lawmakers return from an August recess in which critics of Obama's health proposals dominated many public forums. Approval ratings for Obama, and for his health care proposals, dropped during August.
Senior adviser David Axelrod had said Tuesday that Obama was considering being "more prescriptive" about what he feels Congress must include in a health bill.