Sexually Transmitted Disease (STD) Unit

The Massachusetts General Hospital Sexually Transmitted Disease (STD) Unit provides screening and treatment of sexually transmitted infections.

Call for additional information: 617-726-2748


For more than 60 years, the Sexually Transmitted Disease (STD) Unit at Massachusetts General Hospital has provided screening and treatment of sexually transmitted infections. Services are provided in a confidential setting by a professional staff trained in the area of sexually transmitted infections. Insurance is not required and everyone is welcome.

The STD/GID Unit offers the following services:

  • Evaluation and treatment for sexually transmitted infection including: chlamydia, gonorrhea, syphilis, genital herpes infections (HSV), genital warts - Human papilloma virus (HPV), molluscum, scabies and vaginitis
  • Testing for the human immunodeficiency virus infection (HIV). Rapid HIV testing is available
  • Counseling on prevention of HIV infection
  • Testing for Hepatitis C
  • Information and literature regarding sexually transmitted infections and safer sex practices

For your convenience, walk-in hours and appointment hours are available at both our main campus and Chelsea Health Center locations.

Related Conditions

Locations & Hours

Sexually Transmitted Disease (STD) Unit at Massachusetts General Hospital

MGH Cox Building, 5th Floor
55 Fruit Street
Boston, MA 02114
Phone: 617-726-3236

Walk-in hours:
Tuesday, Thursday and Friday, 8:30 am-11:00 am
Wednesday, 1:00 pm- 3:00 pm

Appointment times:
Monday, 11:00 am-3:30 pm
Wednesday, 8:30 am-11:00 am

The clinic at the MGH main campus will be closed Independence day 7/4, Thanksgiving and day after, Christmas Day 12/25; and New Year’s Day 1/1. 

Genitourinary Infectious Disease (STD/GID) Unit at Chelsea Health Center

151 Everett Avenue
Chelsea, MA 02150

Walk-in hours:
Tuesday, 1:30 pm-3:30 pm
Thursday, 3:00 pm-6:00 pm

Please call 866-211-6588 to register with the hospital before calling to make an appointment. The STD/GID Unit is closed on weekends and holidays*.

*The GID clinic at Chelsea will be closed Thanksgiving 11/26, day after 11/27 Christmas Eve 12/24, Christmas Day 12/25; New Year’s Eve 12/31 and New Year’s Day 1/1.



Call for additional information: 617-726-2748

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