Medicare AdvantageAdministrativeMedium impact
Expanded access to MHK portal for increased convenience
Harvard Pilgrim Health Care·Provider Newsletter
We identified it
Jun 20, 2026
Summary
Tufts Health Plan expanded MHK portal access to include Tufts Health One Care (HMO D-SNP) members, allowing providers to submit referrals, authorizations, and other transactions electronically with real-time determinations. The MHK portal is now available for most Tufts plans except Senior Care Options.
Action Required
Immediately: Billing team should begin using MHK portal for Tufts Health One Care members instead of traditional submission methods. Train staff on accessing MHK through the Tufts Health Plan secure provider portal for submitting referrals, authorizations, checking claim status, and verifying member eligibility. Review updated User Guides for specific transaction processes.