Police say the man was attacked at the Briarwood station just before 5:30 p.m. Friday.
He was rushed to the hospital with a knife wound to his arm.
The incident took place during the evening rush hour.
The motive for the attack is unknown.
No arrests have been made.
RELATED | Murder suspect's criminal history sparks outrage in Chinatown killing
* More Queens news
* Send us a news tip
* Download the abc7NY app for breaking news alerts
* Follow us on YouTube
Submit a News Tip