What is the Tax ID number I should use on my claim? The Tax ID number for CT/NY is: 06-1724026 The Tax ID number for MA/NH is: 46-5747811 Charlotte Ewart2023-08-30T17:21:40-04:00August 24, 2023|Insurance| Share This Story, Choose Your Platform! FacebookXRedditLinkedInWhatsAppTumblrPinterestVkEmail