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.
Center for Extended Care at Amherst, UMass Memorial Health, Boston Medical Center, Mass General Brigham, Dana-Farber Cancer Institute, North Suffolk Community Services, Boston Health Care for the Homeless Program.
Union petitions in Massachusetts
Newest first. Each employer opens its page, with its open jobs.
| Filed | Employer | Workers | Union | Outcome |
|---|---|---|---|---|
| 29 Jul 2026 | Center for Extended Care at AmherstAmherst, MA | VOTING GROUP A - PROFESSIONAL EMPLOYEES included35 eligible | 1199SEIU, United Healthcare Workers East | The union won, 25 to 1 |
| 24 Jul 2026 | UMass Memorial HealthWorcester, MA | wound ostomy registered nurses2 eligible | Massachusetts Nurses Association | No union, 1 to 1 |
| 24 Jul 2026 | UMass Memorial HealthWorcester, MA | wound ostomy registered nurses3 eligible | Massachusetts Nurses Association | No union, 0 to 3 |
| 15 Jul 2026 | Boston Medical CenterBrockton, MA | Not described | Massachusetts Nurses Association | Petition withdrawn |
| 6 Jul 2026 | UMass Memorial HealthWorcester, MA | Not described | Not named | Petition withdrawn |
| 29 Jun 2026 | Mass General BrighamNewton, MA | licensed practical nurses (LPNs), physical therapist assistants (PTAs), certified...82 eligible | International Brotherhood of Teamsters Local 25 | The union won, 47 to 22 |
| 27 May 2026 | Boston Medical CenterBrockton, MA | nurse educators3 eligible | Massachusetts Nurses Association | No union, 0 to 3 |
| 29 Jan 2026 | Mass General BrighamBoston, MA | Not described | Massachusetts Nurses Association | Pending |
| 3 Dec 2025 | UMass Memorial HealthMilford, MA | Not described | SHARE Local 3900 of the American Federation of State, County and Municipal Employees, AFL-CIO | The union won |
| 13 Nov 2025 | Dana-Farber Cancer InstituteMilford, MA | staff nurses, oncology nurse navigators, network float staff nurses, network float...35 eligible | Massachusetts Nurses Association | The union won, 24 to 3 |
| 6 Feb 2025 | Boston Medical CenterRoslindale, MA | Not described | 1199SEIU, United Healthcare Workers East a/w Service Employees International Union, AFL-CIO | Pending |
| 12 Dec 2024 | Mass General BrighamPeabody, MA | endocrinologists9 eligible | American Federation of State, County and Municipal Employees, Council 93 | The union won, 5 to 1 |
| 15 Nov 2024 | Mass General BrighamBoylston, MA | academic physicians practicing primary care at mass general hospital primary care or...237 eligible | Doctors Council, Service Employees International Union Local 10MD | The union won, 183 to 26 |
| 14 Nov 2024 | Dana-Farber Cancer InstituteFoxborough, MA | staff nurses, oncology nurse navigators, network float staff nurses, network float...27 eligible | Massachusetts Nurses Association | The union won, 23 to 1 |
| 27 Sep 2024 | Dana-Farber Cancer InstituteFoxborough, MA | Not described | Massachusetts Nurses Association | Petition withdrawn |
| 23 Jul 2024 | Boston Medical CenterBoston, MA | including all full-time and regular part-time, non-professional service employees119 eligible | 1199 Service Employees International Union, United Healthcare Workers East | The union won, 76 to 3 |
| 26 Jun 2024 | Mass General BrighamSomerville, MA | registered nurses and nurse practitioners24 eligible | Massachusetts Nurses Association | The union won, 20 to 2 |
| 13 Jun 2024 | Mass General BrighamBoston, MA | Not described | Massachusetts Nurses Association | Petition withdrawn |
| 13 May 2024 | Mass General BrighamNewton, MA | home care registered nurses, home care physical therapists, home care occupational...436 eligible | Massachusetts Nurses Association | The union won, 295 to 79 |
| 1 Apr 2024 | Mass General BrighamSomerville, MA | registered nurses82 eligible | Massachusetts Nurses Association | The union won, 49 to 20 |
| 23 Jan 2024 | North Suffolk Community ServicesChelsea, MA | Not described | Service Employees International Union, Local 509 | Petition withdrawn |
| 9 Jan 2024 | Boston Health Care for the Homeless ProgramBoston, MA | non-professional employees250 eligible | 1199SEIU United Healthcare Workers East | The union won, 92 to 42 |
| 26 Oct 2023 | North Suffolk Community ServicesChelsea, MA | non-professional employees in adult community clinical service (ACCS) programs...31 eligible | Service Employees International Union, Local 509 | The union won, 24 to 4 |
| 19 Apr 2023 | UMass Memorial HealthLeominster, MA | Not described | SHARE, Local 3900, American Federation of State, County, Municipal Employees | Petition withdrawn |
| 4 Apr 2023 | Mass General BrighamBoston, MA | residents, clinical fellows, and clinical and research fellows2,304 eligible | Committee of Interns and Residents, SEIU Local 1957 | The union won, 1,215 to 412 |
Employers hiring in Massachusetts with a petition
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.
Healthcare union elections in other states
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.
- 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