The State Organization Index provides an alphabetical listing of government organizations, including commissions, departments, and bureaus.
Top-requested sites to log in to services provided by the state
Self-service available 24 hrs/day in English and Spanish. Other services available Monday-Friday 8 a.m.–5 p.m. Interpreter service available.
Sign up to receive e-mail notification of updates to the MassHealth companion guides. Note: When you click on the sign up link, a blank e-mail should appear. If your settings prevent this, you may also copy and paste firstname.lastname@example.org into your e-mail address line. Just send the blank e-mail as it's addressed. No text in the body or subject line is needed.
Companion guides are instructions for submitting HIPAA transactions to MassHealth. When submitting electronic files to MassHealth, be sure to review the instructions in the appropriate companion guides, UB-04 and CMS-1500 Billing Guides, and billing tips flyers to determine the appropriate requirements for submitting electronic files to MassHealth.
Self-service available 24 hrs/day in English and Spanish. Other services available Monday-Friday 8 a.m.–5 p.m.