The driver, who can be seen in police photos released Friday, left the flushing spa complex at 131-11 11th Ave. without paying for their services, police said.
The spa scofflaw got in her car and ran into a 21-year-old worker who tried to confront her about the bill, police said.
She fled and hadn't been arrested as of Friday morning.
The victim was treated for bruising and pain at an area hospital, police said.
Anyone with information should contact Crime Stoppers at (800) 577-TIPS (8477).