InterMed is the largest physician-owned primary care practice in Maine, with 90 physicians and more than 650 non-physician employees. Founded in 1993, InterMed serves 77,000 primary care patients in the community through their practice sites in Portland, South Portland, and Yarmouth.

Health Services

InterMed, P.A.

Roger A. Poitras, D.H.A.

Frank Rolfe, CSM

Lindsay Macisso

Lillian Shields, LCSW, LSSBB

William Ferentz, CPA, CFA

Diana Weiss, MS

Wai Houng Leung

Stephanie Mills

J. Scott Patch

Phyllidia Ku-Ruth

Clinical Support Team

Compliance and Governance

Clinical and Health Services

Data Analytics and Business Intelligence

Leadership Team

Financial and Compliance Team

Health and Medical Oversight

Information Technology Team

Teams at InterMed, P.A.