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Newton-Wellesley Hospital, Blood Draw Lab - Main Laboratory

The Newton-Wellesley Hospital Blood Draw Lab - Main Laboratory is open to Mass General Brigham patients with an open laboratory order from their Mass General Brigham provider. No appointment is necessary, walk-in appointments are available. Walk-in appointments are welcome Monday through Friday from 6:00 am to 7:00pm, Saturday from 7:00 am to 3:00 pm, and Sunday from 7:00 am to 2:00 pm. Children under the age of 1 can received blood draw services at this location.

contact information

2014 Washington Street
Newton, MA 02462

google map


  • MondayMon
    6:00 a.m.–7:00 p.m.
  • TuesdayTue
    6:00 a.m.–7:00 p.m.
  • WednesdayWed
    6:00 a.m.–7:00 p.m.
  • ThursdayThu
    6:00 a.m.–7:00 p.m.
  • FridayFri
    6:00 a.m.–7:00 p.m.
  • SaturdaySat
    7:00 a.m.–3:00 p.m.
  • SundaySun
    7:00 a.m.–2:00 p.m.

location details



Holiday information 

This location is closed on the following holidays:  

  • New Year’s Day 
  • Patriots Day (or any day the Boston Marathon is running) 
  • Memorial Day 
  • Independence Day 
  • Labor Day 
  • Thanksgiving Day 
  • Christmas Day 

*For holidays that fall on the weekend, operations will be closed on the actual holiday and holiday hours 7:00 am – 3:00 pm will be on the observed day 


This location will be open at the main hospital patient service center on the following holidays:  

  • MLK Day 
  • Presidents Day 
  • Juneteenth 

*The main hospital patient service center is open from 7:00 am to 3:00 pm on these holidays and, if applicable, the observed holiday