Commonwealth of Massachusetts
Executive Office of Health and Human Services
To pay your bill online:
Enter Your Application Tracking Number.
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For refund policies, contact MassHealth Customer Service at 1-800-841-2900.
Please enter your MassHealth Application Tracking Number
Your MassHealth Application Tracking Number (ATN) is found on the first page of your paper application or provided on your electronic application. If you do not have an ATN, contact MassHealth Customer Service at 1-800-841-2900.