Top Plans: HP Explorer & Wellpoint Medicare Extension
Upon completing its open plan enrollment, Group Insurance Commission annually releases data on the enrollment in its health insurance plans, and 2025 is no different. According to this year’s data, GIC enrollment stands at 423,105, up slightly from 418,000 in 2024. The conclusion of its annual open enrollment, the Group Insurance Commission released a comprehensive overview of enrollment data, including trends in online activity and plan changes.
It’s noteworthy that much of this year’s enrollment activity was conducted through GIC’s online portal, myGICLink. Since its launch in 2021, 123,980 members—nearly 50% of the GIC’s membership—have registered for the portal, with approximately 11,000 new registrations between 2024 and 2025. Of particular note, around 27,000 retirees used myGICLink to make benefit changes this year, with 2,584 members changing their health plans through the portal during the enrollment window.
In addition to the enrollment numbers, the GIC released detailed data on plan transfers. Among non-Medicare plans, Wellpoint Plus and Wellpoint Community Choice, saw the highest number of transfers in, with 1,039 and 644 members, respectively. On the Medicare side, Wellpoint Medicare Extension added 239 members, and Harvard Medicare Enhanced added 154. Net gains closely mirrored these figures: Harvard Medicare Enhanced saw a net gain of 519 members, while Wellpoint Medicare Extension added 465. Wellpoint Plus and Community Choice also topped the list for net gains among non-Medicare plans.
This figure includes all members, dependents, and survivors. While Harvard Pilgrim Explorer stands out as the highest enrolled non-Medicare plan with a total of 88,496 enrollees, Medicare enrollment remains concentrated in the Wellpoint Medicare Extension (77,354 members) and Harvard Medicare Enhanced (33,188 members) plans. Among the four Medicare plans, it’s noteworthy that Wellpoint ME tops its peers by a wide margin – more than double the nearest option, HP Medicare Enhance (33,188).