David Patrick Burkart 500 Summit Lake Dr Ste 400 Valhalla, New York, 10595 Phone: 914-347-3440 Company Name: Cavalry Portfolio Services Lawyer Category: Appellate Profile Let this business know you found them on Westchester Magazine's Online Directories. Locations Valhalla 500 Summit Lake Dr Ste 400 Valhalla, New York 10595 Claim/Edit Listing