New York Times foreign affairs columnist Flora Lewis has been named the winner of the 13th annual Fourth Estate Award of the National Press Club, an award established to honor outstanding careers in journalism. An author of three books, Lewis has also worked for or contributed to the Associated Press, The Washington Post, Time magazine, the London Observer, the Economist and France-Soire. Past winners of the Fourth Estate Award include Walter Cronkite, James Reston, Herblock, Theodore White and Eric Sevareid . . .

Next September, one of the big events of the social season will be the reopening of the historic Willard Hotel. The hotel, which replaced the original Willard, where President Lincoln stayed before his inauguration, again will become a luxury hotel, and with the Occidental restaurant reopening next door, Pennsylvania Avenue will be that much closer to its former glory as Avenue of the Presidents. The extensive celebrations and events connected with the opening will be directed by former White House social secretary Gretchen Poston and her Washington Inc. firm, which thankfully promises no mimes and no balloons . . .

French novelist Franc,oise Sagan regained consciousness yesterday two days after collapsing in her hotel room in Bogota', Colombia. The 50-year-old writer had been accompanying French President Franc,ois Mitterrand on an official trip. She returned yesterday to France for treatment for what was a respiratory attack brought on by high altitude . . .

Watch for the bad reviews; Hollywood never seems to learn. Now some genius out there has decided to remake the John Wayne classic "Stagecoach," with a new script and Kris Kristofferson in the Wayne role of the Ringo Kid. The new cast will include Johnny (Great Stone Face) Cash, Waylon Jennings and Willie Nelson in the role of Doc Holliday, a character not in the original movie. Filming is to begin in January with the promise of "stars" in cameo roles, a sure sign of a movie to be missed . . .