She started working for Fawcett in April 1943, alongside other female editors Jane Magill, Barbara Heyman, Mercedes Shull. She started out re-writing "Spy Smasher" stories, and then took over production when Heyman left. Then when Magill left, she took over editing Whiz Comics, Master Comics, Spy Smasher, Golden Arrow, Nyoka the Jungle Girl, and Six-Gun Heroes. She also edited Billy Boyd Western, Hopalong Cassidy, Tex Ritter Western, Rocky Lane Western, and This Magazine is Haunted.
After Fawcett ceased publishing comics in 1953, Provisiero worked for Women's Day magazine for a few months, then she moved to True Confessions magazine where she worked for about ten years. When it was sold to MacFadden Publishing, she went to work for them for a few years, before going to work as a copy editor for United Technical Publishing in Garden City, New York.
In 1968, she moved to Florida and worked as an insurance agent for almost 20 years.