2024年4月18日 · When emailing us, please do not include attachments. We cannot open them and they could delay a reply or interfere with our receipt of your email. Contact: NIAMS Information Clearinghouse. National Institutes of Health. Bethesda, MD 20892-3675. Phone: 301-495-4484. Toll free: 877-22-NIAMS (877-226-4267) For telecommunications support, dial 711.