NASHUA, N.H.--(BUSINESS WIRE)--Today, Southern New Hampshire Health System (SNHHS) announced the launch of a new service designed to allow individuals to find providers, read patient reviews and instantly book appointments online. Powered by ZocDoc, the nation’s premiere consumer resource for online physician scheduling, Southern New Hampshire Health System now offers easy online access to family physicians, pediatricians, internists and specialists, including Massachusetts General Hospital (MG