Leon Barzin

Massachusetts eHealth Collaborative, Inc. provides strategic guidance, project management, data warehousing and analytics services, and hands-on implementation support to help providers for clinical and business performance. The company was founded in 2004 and is headquartered in Waltham, MA.

Massachusetts Health Data Consortium is a trusted facilitator of health information and technology transformation in the United States. The non-profit company is based in Waltham, MA and has subsidiaries in the United States. The company provides health data innovations, insights, and services to over 4,000 health professionals across more than 200 organizations. The company's mission is to inform and empower individuals in their health journey and reduce the burden healthcare imposes on patients and their families, providers, and payers. The company was founded in 1978, and the CEO is Denny Brennan.