Michael Millenson, President, Health Quality Advisors, LLC, and adjunct faculty at the Kellogg School of Management at Northwestern University. Terms like person-centered care, patient-centered care and medical consumerism are often used interchangeably. But the way individuals interact with the healthcare system is very different when they’re a patient, a consumer or a clinical partner. For providers in a bundled payment, ACO-modeled world, understanding where these separate threads remain distinct and where they intertwine is critical.