Pediatric Specialty Center One Long Wharf Drive 2nd Floor New Haven, CT 06511 Main (877) 925-3637 Fax (203) 737-1384 Yale New Haven Children's Hospital 1 Park Street New Haven, CT 06504 Main (877) 925-3637 Fax (203) 737-1384 Pediatric Specialty Center 633 Middlesex Turnpike Old Saybrook, CT 06475 Main (877) 925-3637 Fax (203) 785-7635.