Welcome to Laboratory Services/Pathology for Lab Outreach Services 

If you are a patient, please view our Laboratory Services/Pathology: For Patients website

Welcome Clients

Newton-Wellesley Hospital, a member of Partners HealthCare System, has long been recognized as a leader in service, quality and compassionate care. For more than 20 years, the Newton-Wellesley Laboratory has offered our clients the advantage of a community hospital-based laboratory as well as the wide variety of services, state-of-the-art technology and efficiency expected from a commercial laboratory.

We provide both clinical and anatomic pathology outreach services to physicians, health clinics, medical facilities, long-term care facilities, visiting nurse associations and other health care organizations. 

We are committed to providing outstanding service to our clients, patients and physicians.

About Us

Newton-Wellesley Hospital Laboratory is a comprehensive diagnostic facility that is operational 24 hours per day, 7 days a week, and 365 days a year.

Through our modern facility, Newton-Wellesley Laboratory processes over 2.3 million billable laboratory procedures annually. Clinical and Anatomic Laboratory services are provided not only to Newton-Wellesley but to referring Partners and area hospitals, nursing homes, physicians’ offices, clinics and VNA home health agencies.

Our Laboratory has extensive testing capabilities in the following areas:

  • Blood Bank
  • Chemistry
  • Cytology
  • Hematology
  • Histology
  • Microbiology
  • Serology

Testing capabilities include a vast majority of routine tests, as well as a variety of esoteric procedures. 98% of all testing is performed in-house.


Newton-Wellesley Laboratory is accredited by:

  • The College of American Pathologists (CAP)  certificate
  • The Clinical Laboratory Improvement Amendments of 1988 (CLIA) certificate
  • The Department of Public Health (DPH) certificate
  • The Joint Commission on Accreditation of Health Organizations (JCAHO)


Contact Us

2014 Washington Street
Newton, MA 02462

Patients do not need an appointment. They must bring their physician orders, ID and insurance information with them.

Laboratory Services
 617-243-6300 | Fax: 617-243-6767  email us

 617-243-6140 | Fax: 617-243-5809



Find a Doctor

Find primary care physicians and specialists.


Upcoming Classes

Did you know Newton-Wellesley offers childbirth education and wellness center classes? Check out this season's latest childbirth, exercise, Pilates, Yoga and Tai Chi classes at the Hospital.
» Class Schedule

2015 Top Docs List

More than 30 Newton-Wellesley affiliated physicians made Boston magazine's annual list recognizing some of the area's best doctors.
» Learn More  

Hospital Ranked #11

US News and World Report has ranked Newton-Wellesley Hospital 11th in Massachusetts.
» Learn More