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Cluster Headache Support Group, Inc.
c/o The Headache Pros, Inc.
3661 N. Campbell Ave. #584
Tucson, AZ 85719

Cluster Headache Support Group, Inc. is a wholly-owned subsidiary of The Headache Pros, Inc. Cluster Headache Support Group, Inc. EIN #45-7194176 and The Headache Pros, Inc. EIN #83-2971265 are 501(c)(3) non-profit corporations and are registered charities in the State of Kansas. All donations (materials, time, mileage, and monetary) are tax-deductible in the U.S.

In the U.S. call (530) 715-9649 (landline or mobile phone) or (530) 715-0410 (wifi or internet).
Outside the U.S. use WhatsApp to call +1 (530) 715-9649.

Calls and emails are returned during business hours, Mountain Standard Time (GMT-7).
We are not equipped to staff a 24/7 crisis center. If you are in crisis and unable to reach a CHSG member in our discussion group, please call your doctor or go to the nearest emergency room.