14 Worcester Business Journal | April 21, 2025 | wbjournal.com
F O C U S HEALTH CARE & LIFE SCIENCES
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
Eileen Auen
(3)
interim 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
Eileen Auen
(3)
interim 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
Eileen Auen
(3)
interim 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) Serving as interim CEO following the resignation of former president and CEO Cain Hayes in September 2024
(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
