Contact Us Contact us Contact the Department of Laboratory Medicine at 617-355-6353. Sites and hours Phlebotomy 2 Brookline Place: 8 a.m. to 12:30 p.m. and 1:30 to 5 p.m. weekdays Boston: 300 Longwood: 7 a.m. to 8 p.m. weekdays Boston: 333 Longwood: 9 a.m. to 5 p.m. weekdays Lexington: 7 a.m. to 5 p.m. weekdays MEHC: 8:30 a.m. to 6 p.m. weekdays (extended hours on Thursdays until 7 p.m.) North Dartmouth: 8 a.m. to 12:30 p.m. and 1:30 to 5 p.m. weekdays Peabody: 8 a.m. to 5 p.m. weekdays Waltham: 7:30 a.m. to 6 p.m. weekdays and 8 a.m. to 2 p.m. Saturdays Weymouth: 7 a.m. to 5 p.m. weekdays Blood Donor Center Sunday: 7:30 a.m. to 3 p.m. Monday: CLOSED Tuesday: 9 a.m. to 6:30 p.m. Wednesday: 9 a.m. to 6:30 p.m. Thursday: 9 a.m. to 6:30 p.m. Friday: 7 a.m. to 4:30 p.m. Saturday: 7:30 a.m. to 3 p.m.
