Robert A. Mendelsohn, MD Top Doctor 185 NY 312 Putnam County, New York, 10509 Phone: 845-278-7000 Company Name: Optum Medical Care Doctor Category: Gastroenterology Profile Let this business know you found them on Hudson Valley's Online Directories. Locations Putnam County 185 NY 312 Putnam County, New York 10509 Claim/Edit Listing