HealthQuest Capital, a venture capital firm, led a $140m Series C funding round in Thirty Madison, a specialized care and treatment provider. New investors include HealthQuest Capital, Mousse Partners, Bracket Capital join existing investors Polaris Partners, Johnson & Johnson Innovation - JJDC, Northzone and others. "At HealthQuest, we look to identify transformative companies that are meaningfully improving patient outcomes. Thirty Madison has an incredible track record of creating innovative, specialist-level patient experiences and is disrupting the way care is delivered," Randy Scott, HealthQuest Capital Partner.