This online survey study of specialty clinic providers at 10 health-systems evaluated quality of services of integrated and external specialty pharmacies. The mean (SD) score for overall satisfaction with integrated specialty pharmacies was significantly higher than the score for satisfaction with external specialty pharmacies: 4.72 (0.58) vs 2.97 (1.20) out of 5; P 0.001. Findings demonstrate high rates of provider satisfaction with HSSP services and perceived benefits.