The Marshals, along with the Philadelphia Police Major Crimes Gun Violence Unit, arrested 45- year-old Thomas Hazell on Wednesday afternoon.
Authorities say he was arrested in the 1200 block of Locust Street thanks to that tip.
Hazell had outstanding warrants for Aggravated Assault, Armed Robbery and resisting arrest.
The Marshals say the tipster will be paid a cash reward.
Hazell was featured in the "U.S. Marshals ID Most Wanted in Philly" slideshow on 6abc.com.
In all, seven of the men identified as "most wanted" have been arrested since the feature was launched, with five of those arrests coming from tips provided by 6abc.com readers, the U.S. Marshals said.