Peter I. Hoppenfeld 172 E Boston Post Rd Mamaroneck, New York, 10543 Phone: 914-698-3440 Company Name: Peter I Hoppenfeld Lawyer Category: General Practice Profile Let this business know you found them on Westchester Magazine's Online Directories. Locations Mamaroneck 172 E Boston Post Rd Mamaroneck, New York 10543 Claim/Edit Listing