Frederick J Derosa 551 W Lancaster Ave Ste 305 Haverford, Pennsylvania, 19041 Phone: 215-864-6400 Company: Fallon Van Horn LLC Lawyer Category: Litigation Profile Let this business know you found them on Main Line Today's Online Directories. Locations Haverford 551 W Lancaster Ave Ste 305 Haverford, Pennsylvania 19041 Claim/Edit Listing