Become a Provider 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 Provider FIND A Pharmacy FIND A Drug FIND A Form FIND A Flu Shot Questions? Call Elderplan today. 1-800-353-3765 [TTY 711] for the hearing impaired Hours of Operation: 8 a.m. - 8 p.m., 7 days a week Elderplan is availablein the 5 boroughs of NYC,Nassau, Suffolk, Westchesterand Monroe counties.