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Check member eligibility

You can learn how to access and check a member’s eligibility using our Eligibility Verification System (EVS) via the Provider Online Service Center (POSC).

MassHealth Customer Service Center for Providers

The Details of Check member eligibility

What you need for Check member eligibility

  • Your Provider Online Service Center (POSC) login information
  • Your MassHealth Provider ID/Service Location Number
  • The date(s) of service
  • Any of the following member information:
    • 12-digit member ID
    • Social security number (SSN)
    • Other Agency ID (DCF and DYS)
    • First name, last name, date of birth, and gender

How to check Check member eligibility

  1. Access member eligibility information from the EVS Internet site through the POSC.
  2. Click Manage Members.
  3. Click Eligibility.
  4. Click Verify Member Eligibility. The Check Member Eligibility panel is displayed.
  5. On the Check Member Eligibility panel, select the provider from the drop-down list.
  6. Enter either the member's:
    • 12-digit Member ID
    • SSN
    • Other Agency ID (DCF and DYS)
    • First name, last name, DOB and gender
  7. In the From Date of Service and To Date of Service fields, enter the date range for the search.
  8. Click Submit.
  9. On the Member Information tab: Confirm the member’s information.
  10. Once you have confirmed the member’s information, click the Eligibility tab.
  11. On the Dates of Eligibility panel, click Verify Eligibility Status.
  12. After verifying the member’s eligibility status, do one of the following:
    • To end the process, click Close.
    • To verify another member’s eligibility, click Perform Another Eligibility Check.
  13. Click the "print" button on your browser to print a paper copy of the member's eligibility verification. Save this for your records.

Downloads for Check member eligibility

Contact for Check member eligibility

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