Detectives are investigating the attack and robbery of a cabdriver Thursday night in New Cassel.
Three males got into the cab while a fourth male waited outside, police said.
"One subject grabbed the victim around the neck from behind while the subject outside the cab opened the door and struck the victim about the face," police said in a Friday news release.
A suspect seated in the front seat removed money from the visor and the victim's pocket, police said.
The suspects, all wearing black, fled on foot, heading north on Brooklyn Avenue.
There were no injuries reported.
Detectives urge anyone with information about the robbery to anonymously call Nassau County Crime Stoppers at 800-244-TIPS.