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As of Tuesday, February 24, Mass General Brigham's hospital campuses and off-site facilities are fully open and operational, with the exception of some limited closures and delays. For real-time updates and service changes, please check our Alerts page.

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How to Contact the AMS Clinic

Phone: (617) 264-3000

Fax: (617) 264-3011

Email: BWHAnticoag@partners.org

Clinic Hours:

Monday - Friday: 9:00 - 4:30 (lunch from 12:00 -1:00)

Voicemail is checked throughout the day.

We are closed on weekends and holidays and will return voicemails on the next business day.

Learn more about Brigham and Women's Hospital


For over a century, a leader in patient care, medical education and research, with expertise in virtually every specialty of medicine and surgery.

About BWH