CORPORATE OFFICE: 900 RR 620 South Suite C-205 Austin, TX. 78734 Voice: (512) 266-8304 Fax: (512) 266-8309 Email: heart@hearthr.com DIRECTIONS: From S I-35 and E BEN WHITE BLVD: Take US-290 W. 7.30 miles Turn SLIGHT RIGHT onto TX-71 W. 7.15 miles Turn SLIGHT RIGHT onto RR 620. 3.95 miles   Get Map