Interested in becoming an Elderplan Provider? Simply fill out and submit the secure online request form for consideration. Ancillary Providers Physicians Looking for information? FIND A ProviderFIND A PharmacyFIND A DrugFIND A FormFIND A Flu Shot Questions? Call Elderplan today. 1-800-353-3765 [TTY: 711] for the hearing impaired Hours of Operation: 8 a.m. to 8 p.m., 7 days a week Elderplan is availablein the 5 boroughs of NYC,Nassau, Suffolk, Westchester,Rockland, Putnam, Monroe,Dutchess and Orange counties.