Corporate Headquarters NICA, Inc. 35 Braintree Hill Office Park, Suite 105 Braintree, MA 02184 Telephone: 800-551-NICA (6422) Fax: 781-303-1400 CustomerService@nicainc.com Tax Services Tax Line: 888-356-6894 Tax@nicainc.com Occupational Accident Claims Claims Management Services: 800-821-5401 Ext. 205 Website Feedback Share your thoughts and Ideas