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The Labor Board's record, joined to who is hiring

Healthcare union elections in Massachusetts

25 union petitions since Jan 2023 at 7 healthcare employers hiring in Massachusetts, by the National Labor Relations Board's record: unions won 14 elections and 2 petitions are pending. Workers at public hospitals organize under Massachusetts law instead, outside this record.

25
Union petitions
since Jan 2023
14
Won by a union

Union petitions in Massachusetts

Newest first. Each employer opens its page, with its open jobs.

Union petitions at healthcare employers hiring in Massachusetts
FiledEmployerWorkersUnionOutcome
29 Jul 2026Center for Extended Care at AmherstAmherst, MAVOTING GROUP A - PROFESSIONAL EMPLOYEES included35 eligible1199SEIU, United Healthcare Workers EastThe union won, 25 to 1
24 Jul 2026UMass Memorial HealthWorcester, MAwound ostomy registered nurses2 eligibleMassachusetts Nurses AssociationNo union, 1 to 1
24 Jul 2026UMass Memorial HealthWorcester, MAwound ostomy registered nurses3 eligibleMassachusetts Nurses AssociationNo union, 0 to 3
15 Jul 2026Boston Medical CenterBrockton, MANot describedMassachusetts Nurses AssociationPetition withdrawn
6 Jul 2026UMass Memorial HealthWorcester, MANot describedNot namedPetition withdrawn
29 Jun 2026Mass General BrighamNewton, MAlicensed practical nurses (LPNs), physical therapist assistants (PTAs), certified...82 eligibleInternational Brotherhood of Teamsters Local 25The union won, 47 to 22
27 May 2026Boston Medical CenterBrockton, MAnurse educators3 eligibleMassachusetts Nurses AssociationNo union, 0 to 3
29 Jan 2026Mass General BrighamBoston, MANot describedMassachusetts Nurses AssociationPending
3 Dec 2025UMass Memorial HealthMilford, MANot describedSHARE Local 3900 of the American Federation of State, County and Municipal Employees, AFL-CIOThe union won
13 Nov 2025Dana-Farber Cancer InstituteMilford, MAstaff nurses, oncology nurse navigators, network float staff nurses, network float...35 eligibleMassachusetts Nurses AssociationThe union won, 24 to 3
6 Feb 2025Boston Medical CenterRoslindale, MANot described1199SEIU, United Healthcare Workers East a/w Service Employees International Union, AFL-CIOPending
12 Dec 2024Mass General BrighamPeabody, MAendocrinologists9 eligibleAmerican Federation of State, County and Municipal Employees, Council 93The union won, 5 to 1
15 Nov 2024Mass General BrighamBoylston, MAacademic physicians practicing primary care at mass general hospital primary care or...237 eligibleDoctors Council, Service Employees International Union Local 10MDThe union won, 183 to 26
14 Nov 2024Dana-Farber Cancer InstituteFoxborough, MAstaff nurses, oncology nurse navigators, network float staff nurses, network float...27 eligibleMassachusetts Nurses AssociationThe union won, 23 to 1
27 Sep 2024Dana-Farber Cancer InstituteFoxborough, MANot describedMassachusetts Nurses AssociationPetition withdrawn
23 Jul 2024Boston Medical CenterBoston, MAincluding all full-time and regular part-time, non-professional service employees119 eligible1199 Service Employees International Union, United Healthcare Workers EastThe union won, 76 to 3
26 Jun 2024Mass General BrighamSomerville, MAregistered nurses and nurse practitioners24 eligibleMassachusetts Nurses AssociationThe union won, 20 to 2
13 Jun 2024Mass General BrighamBoston, MANot describedMassachusetts Nurses AssociationPetition withdrawn
13 May 2024Mass General BrighamNewton, MAhome care registered nurses, home care physical therapists, home care occupational...436 eligibleMassachusetts Nurses AssociationThe union won, 295 to 79
1 Apr 2024Mass General BrighamSomerville, MAregistered nurses82 eligibleMassachusetts Nurses AssociationThe union won, 49 to 20
23 Jan 2024North Suffolk Community ServicesChelsea, MANot describedService Employees International Union, Local 509Petition withdrawn
9 Jan 2024Boston Health Care for the Homeless ProgramBoston, MAnon-professional employees250 eligible1199SEIU United Healthcare Workers EastThe union won, 92 to 42
26 Oct 2023North Suffolk Community ServicesChelsea, MAnon-professional employees in adult community clinical service (ACCS) programs...31 eligibleService Employees International Union, Local 509The union won, 24 to 4
19 Apr 2023UMass Memorial HealthLeominster, MANot describedSHARE, Local 3900, American Federation of State, County, Municipal EmployeesPetition withdrawn
4 Apr 2023Mass General BrighamBoston, MAresidents, clinical fellows, and clinical and research fellows2,304 eligibleCommittee of Interns and Residents, SEIU Local 1957The union won, 1,215 to 412

Healthcare union elections in Massachusetts: common questions

Which hospitals and healthcare employers in Massachusetts unionized recently?

Unions won 14 elections in Massachusetts since Jan 2023 at employers hiring on this site, the latest: Center for Extended Care at Amherst, VOTING GROUP A - PROFESSIONAL EMPLOYEES included in Amherst, MA (1199SEIU, United Healthcare Workers East), filed 29 Jul 2026: the union won, 25 to 1; Mass General Brigham, licensed practical nurses (LPNs), physical therapist assistants (PTAs), certified... in Newton, MA (International Brotherhood of Teamsters Local 25), filed 29 Jun 2026: the union won, 47 to 22; UMass Memorial Health, a unit of workers in Milford, MA (SHARE Local 3900 of the American Federation of State, County and Municipal Employees, AFL-CIO), filed 3 Dec 2025: the union won; Dana-Farber Cancer Institute, staff nurses, oncology nurse navigators, network float staff nurses, network float... in Milford, MA (Massachusetts Nurses Association), filed 13 Nov 2025: the union won, 24 to 3.

Which unions represent healthcare workers in Massachusetts?

By the elections won since Jan 2023: Massachusetts Nurses Association (5), 1199SEIU, United Healthcare Workers East (1), International Brotherhood of Teamsters Local 25 (1) and SHARE Local 3900 of the American Federation of State, County and Municipal Employees, AFL-CIO (1). Each won among one unit of workers at one site; older units are not in this window.

Are any union elections pending in Massachusetts?

2: Mass General Brigham, a unit of workers in Boston, MA (Massachusetts Nurses Association), filed 29 Jan 2026; Boston Medical Center, a unit of workers in Roslindale, MA (1199SEIU, United Healthcare Workers East a/w Service Employees International Union, AFL-CIO), filed 6 Feb 2025.

Sources and method

A case is listed when the employer its petition names is one of the employers hiring on this site, matched by name and by its open jobs in the case's town. Cases filed since Jan 2023, read 9 Nov 2026. Every state.

  1. National Labor Relations Board case records (nlrb.gov), as copied nightly by labordata/nlrb-data

Cite this page

CareJobs.Now. (2026). Healthcare union elections in Massachusetts. Data as of 9 Nov 2026. https://carejobs.now/healthcare-union-elections/massachusetts

How the board counts
Healthcare Union Elections in Massachusetts | CareJobs.Now