637 Washington Street, Dorchester MA Directions (617) 825-9660

Group of young adults standing on Dorchester street


The X-Clinic is available for counseling, testing, and treatment of patients at risk for sexually transmitted infections.

We are typically a walk-in clinic, but due to COVID-19, we are not currently accepting walk-in visits. Please call 617-822-8350 to schedule an appointment with a provider. We offer telephone visits, in-person visits, and express testing options for patients.

We look forward to hearing from you.

We are LGBT/Q friendly, and have the newest and fastest testing equipment. We are proud to be a safe space, culturally competent, and have multi-lingual staff.

Codman can get you your STI test results on your phone in as little as a few hours, though some results can take up to a couple of days.

The X-Clinic offers:

  • Same-day PrEP
  • Post-Exposure Prophylaxis (PEP)
  • Emergency Contraception/Plan B
  • Testing for teenagers (visits and results are completely confidential)
  • Testing and treatment regardless of citizenship status
  • Onsite or at-home HIV tests


Monday: 9 am – 12 pm (In-person); 1 – 5 pm (In-person)
Tuesday: 1 -5 pm (Telehealth); 5:30 – 7 pm (In-person)
Wednesday: 1 – 5 pm (Telehealth)
Thursday: 9 am – 12 pm (Telehealth); 1 – 5 pm (Telehealth); 5:30 – 7 pm (In-person)
Friday: 1 -5 pm (In-person)

Our X-Clinic makes taking care of your sexual health easy. Fill out the below form and one of our X-Clinic Navigators will get back to you to schedule an appointment.

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Our X-Clinic Providers

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Frequently Asked Questions

Yes, there is a public parking lot directly in front of the Health Center and there is also street parking surrounding the Health Center.

The Health Center is located at 637 Washington St., at the intersection of Talbot and Washington Streets in Codman Square, Dorchester. For directions via car or public transit visit here.

  • Your insurance card
  • Any questions you want to ask about your health or our services
  • A list of medications you are currently taking (or bring them with you)
  • The name and phone number of your pharmacy (if you do not use the Pharmacy at the Health Center)

Call our Call Center (617) 825-9660 between 8 am and 9 pm Monday to Friday.


Become a Patient

At Codman Square Health Center, you get exceptional, personal care from a specialized, multilingual care team. Our convenient resources include an extensive list of primary, specialty, and preventive care services. Call our Patient Service Center at 617-825-9660.

Become a Patient

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