Mass General Brigham Express Care
Urgent Care • Greenfield, MA • Since 1994
Information from public sources; not independently verified. Confirm hours, insurance and appointment availability with the clinic.
Last gathered July 11, 2026. How our information is sourced · Report incorrect information
About
Mass General Brigham (MGB) is a nonprofit, integrated health system based in the Greater Boston area. It comprises major hospitals (Mass General Hospital and Brigham and Women’s Hospital), specialty and community facilities, home care, urgent care, and the Mass General Brigham Health Plan. Key points relevant to your query: Largest private employer in Massachusetts with about 82,000 staff (as of 2024); annual operating revenue around $20B+. - Purpose: Aimed at solving medical problems through collaboration across facilities and with Harvard Medical School. - Structure: 501(c)(3) nonprofit; formerly Partners HealthCare (1994–2020); includes multiple hospitals and health-related affiliates. - Locations relevant to care access: Headquarters in Somerville, MA; main campus access in Boston and surrounding communities. Common addresses include 399 Revolution Dr (Somerville) and 800 Boylston St (Boston). - Express/urgent care: MGB operates a network of hospitals and affiliated urgent care services; specific “Express Care” offerings are not detailed in the provided highlights, and there is no explicit reference to a facility named “Express Care, Greenfield” within the extracted content. Greenfield, MA is not listed among the primary MGB locations in the highlights. - Recent context: In 2023–2025, the system faced regulatory scrutiny on costs, underwent nonclinical layoffs, and engaged in system-wide labor contracts with residents/fellows unions. For precise location details, consider checking MGB’s official site or contacting their health plan for facility directories.
Services Offered
Insurance & Payment
Not published.
Languages Spoken
Not published.
FAQs
What services does this location offer?
Urgent care/walk-in services, blood draw labs, routine health care services (e.g., sports and camp physicals), Occupational Medicine (including DOT physicals and drug screening). On-site X-ray services are not available.
What are the hours of operation?
8:00 a.m.–4:00 p.m.
Do you offer blood draw labs on site?
Yes, Blood Draw Labs are available.
Do you have on-site X-ray services?
Please note: This location does not have on-site X-ray services.
What types of care are provided at this urgent care location?
Urgent Care and related walk-in services; routine healthcare such as sports and camp physicals; Occupational Medicine including DOT physicals and drug screening.
What should I do in a medical emergency?
Call 911 or visit your nearest emergency room.
How is billing handled for urgent care visits?
Urgent care/walk-in services are typically billed to your health insurance as a physician or nurse practitioner office visit.
Is Cooley Dickinson contracted with insurance plans?
Cooley Dickinson is contracted with most major insurance companies; verify with your carrier if referral/preauthorization is required.
Is telehealth available for urgent care?
Yes, 24/7 Virtual Care is available for minor illnesses and injuries.
Photos
Photos published by Mass General Brigham Express Care showing the urgent care practice in Greenfield, MA.




What Patients Say
Overall sentiment across review platforms: positive
Patients praise
- Reasonable wait times
- Helpful and friendly medical staff
Common complaints
- Lack of on-site X-ray services
"It's pretty good. I waited maybe 15-20 minutes to be seen. The doctor was nice and helpful."
- Local social media group post (Facebook)Synthesized from public review platforms as of Jul 11, 2026 - sources: [1][2][3][4].
In the News
- CVS and MGB want to collaborate to provide primary care - Jul 31, 2025
- Cooley Dickinson nurses reach tentative contract, call off strike - Greenfield Recorder - Nov 19, 2025
- Meeting patients where they are: Western MA Wound Care in Greenfield offers specialized wound treatment - Greenfield Recorder - May 21, 2026
- Cooley Dickinson Hospital workers turn up heat in contract fight - Greenfield Recorder - Jun 5, 2026
- MGB, CVS primary care partnership could inflate health care spending - Apr 16, 2026
Information sourced from the clinic's website as of July 11, 2026.
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