If you wish to contact The Mast Cell Disease Society please use one of the methods listed below.

If you are contacting us for a physician referral, we understand how difficult it can be to locate physicians that treat mast cell diseases. Our experience tells us that the best source for referrals is our membership. If you are not a member, we encourage you to join and also recommend that you join our online communities to ask about physicians. All physician recommendations from our online support forums are member generated and not from TMS.

Mailing Address
The Mast Cell Disease Society
PO Box 416
Sterling, MA 01564
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* Please see note below on maintenance over the last few months.

* During routine website maintenance, it has come to our attention that the General TMS Information contact form has not been functioning properly for some time. We deeply apologize for any gap in communication that may have resulted. This is now fixed. If you have tried to contact TMS using this contact form over the past few months and have not received a response from us, please submit your questions again. We are eager to respond to your questions, and again, we are so sorry that this happened.