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50 Worcester Business Journal | Book of Lists 2025 | wbjournal.com F O C U S H E A L T H C A R E Largest health insurers Ranked by total Massachusetts members as of Dec. 31, 2024 Health insurer Total Mass. membership Q4 2024/ Q4 2023 Share of Mass. market Q4 2024 For profit or nonprofit? Head of company/ year licensed or founded 1 WellSense Health Plan 100 City Square, Suite 200, Charlestown 02129 800-792-4355 • wellsense.org 623,646 598,064 27.38% Nonprofit Heather Thiltgen president 1997 2 Blue Cross and Blue Shield of Massachusetts Inc. (1) 101 Huntington Ave., Suite 1300, Boston 02199 800-262-2583 • bluecrossma.org 496,650 510,884 21.81% Nonprofit Sarah Iselin president & CEO 1992 3 Tufts Health Public Plans Inc. (2) 1 Wellness Way, Canton 02021 617-972-9400 • tuftshealthplan.com 329,708 316,122 14.48% Nonprofit Patrick Gilligan (3) CEO, Point32Health 1997 4 Mass General Brigham Health Plan 399 Revolution Drive, Somerville 02145 866-414-5533 • massgeneralbrighamhealthplan.org 230,254 231,682 10.11% Nonprofit Steven Tringale CEO 1986 5 Harvard Pilgrim Health Care Inc. (2) 1 Wellness Way, Canton 02021 617-509-1000 • harvardpilgrim.org 183,174 170,251 8.04% Nonprofit Patrick Gilligan (3) CEO, Point32Health 1977 6 Tufts Associated HMO Inc. (2) 1 Wellness Way, Canton 02021 617-972-9400 • tuftshealthplan.com 139,950 171,223 6.14% Nonprofit Patrick Gilligan (3) CEO, Point32Health 1979 7 Fallon Health Inc. 1 Mercantile St., Suite 400, Worcester 01608 508-799-2100 • fallonhealth.org 127,844 129,688 5.61% Nonprofit Manny Lopes president & CEO 1977 8 Health New England 1 Monarch Place, Suite 1500, Springfield 01144 413-787-4000 • healthnewengland.org 104,894 116,500 4.61% Nonprofit Raymond McCarthy interim president 1985 9 UnitedHealthcare P.O. Box 1459, Minneapolis, Minn. 55340 (4) 888-735-5842 • uhc.com 26,697 20,317 1.17% For profit Tim Noel (5) CEO 1984 10 Wellcare Health Plans (6) P.O. Box 31370, Tampa, Fla. 33631 844-917-0175 • wellcare.com 7,008 8,984 0.31% For profit Michael Carson CEO 1985 11 Commonwealth Care Alliance Massachusetts (7) 100 North Parkway, Worcester 01605 (8) 866-610-2273 • commonwealthcarealliance.org 3,088 4,818 0.14% Nonprofit Erhardt Preitauer president & CEO, CareSource 2003 12 Central Mass. Health LLC dba Mass Advantage 67 Millbrook St., Suite 423, Worcester 01606 844-918-0114 • massadvantage.com 2,361 1,965 0.10% Nonprofit James E. Beermann Jr. president & CEO 2021 13 Aetna Health Inc. 151 Farmington Ave., Hartford, Conn. 06156 800-872-3862 • aetna.com 1,425 (9) 1,266 (9) 0.06% (9) For profit Steve Nelson (10) president 1987 14 eternalHealth 31 Saint James Ave., Suite 950, Boston 02116 800-831-0735 • eternalhealth.com 709 173 0.03% For profit Pooja Ika founder & CEO 2019 15 Connecticare of Massachusetts Inc., an EmblemHealth Co. 175 Scott Swamp Road, Farmington, Conn. 06034 860-674-5757 • connecticare.com 103 121 0.00% (11) For profit Mark Meador president 1995 Sources: Mass. Division of Insurance and insurer websites and press releases. Note: Molina Healthcare's Senior Whole Health plan is no longer available in Massachusetts. (1) Including HMO Blue (2) Part of Point32Health (3) In June, succeeded Cain Hayes, who resigned in September 2024; Eileen Auen, executive chair of Point32Health's board of directors, served as interim chief executive. (4) Headquarters address for UnitedHealth Group (5) Succeeded former CEO Brian Thompson, who was fatally shot in December 2024. (6) A subsidiary of Centene Corp. (7) Acquired by Dayton, Ohio-based CareSource on April 9, 2025 (8) Regional office address (9) Based on sum of Aetna Health Inc.'s Connecticut and Pennsylvania corporations, which both have a market share in Massachusetts. (10) Succeeded Brian A. Kane as president, who resigned from the post in August 2024. (11) Less than 0.01% -Compiled by: Heide Martin, hmartin@nebusinessmedia.com Safety deficit The Massachusetts Health Safety Net's deficit has grown by more than 1,000% since fiscal year 2020. Fiscal year HSN shortfall 2020 $21 million 2021 $63 million 2022 $75 million 2023 $152 million 2024 $198 million 2025 Estimated $250 million 2026 Estimated up to $290 million Source: Massachusetts Health & Hospital Association