Send your check to: 

USA: American Friends of Boruch Rofeh Cholim, 4416 18th Avenue, Brooklyn, NY 11204.
Boruch Rofeh Cholim is a not-for-profit tax-exempt organization registered with the IRS, section 501(c)(3). Your donations are tax-deductable as per section 170(b)(1)(A)

Israel: Boruch Rofeh Cholim, P.O.B. 27376 Jerusalem ISRAEL