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

The Leadership Team at InterMed, P.A. is responsible for guiding the strategic direction and operational efficiency of the largest physician-owned primary care practice in Maine. This team collaborates on policy development, financial oversight, and compliance, ensuring high-quality patient care while fostering a supportive work environment for over 650 employees. By integrating medical expertise with business acumen, the Leadership Team drives innovation and enhances the delivery of services to the 77,000 patients in their care.

Leadership Team

Clinical Support Team

Compliance and Governance

Clinical and Health Services

Leadership Team

About

Team members

Other teams at InterMed, P.A.

Clinical Support Team

Compliance and Governance

Clinical and Health Services