10425 Williams Street. Wellton, AZ 85356. (928) 785-3256. VIEW ON MAP. VIEW ALL LOCATIONS AND HOURS. Sunset Health is a Health Center Program grantee under the 42 U.S.C. § 254b, and a deemed Public Health Service employee under 42 U.S.C. §§ 233 (g) (n). Sunset Health sites are Federal Tort Claims Act (FTCA) deemed facilities..