Health care providers in New York must test all 1- and 2-year-old children for lead. ... Access more than 1,400 NYC data sets for free, at any time via the NYC Open Data portal. Access more than 1,400 NYC data sets for free, at any time via the NYC Open Data portal. Register to Vote.Birth Certificates‧Permits & Licenses‧Covid‧Death Certificates‧About DOH‧Food Protection.