American Physicians Capital, Inc., through its primary subsidiary, American Physicians Assurance Corporation, writes medical professional liability insurance in Michigan, Illinois, Ohio, and New Mexico. The company underwrites medical professional liability coverage for physicians, corporations, medical groups, clinics, and ancillary healthcare providers. Medical professional liability insurance protects physicians and other health care providers against liabilities arising from the rendering of, or failure to render, professional medical services. It offers its services through agents and agencies. The company was founded in 1975 and is based in East Lansing, Michigan.