Direct Primary Care Doctor Dr. Philipp Olshausen has been an internal medicine physician since 2006 when he finished his residency at the Yale-affiliated Norwalk Hospital in Connecticut. His training began in his home country of Germany, in Berlin, where he attended the Charité at the Humboldt Universität, having lived in the U.S. for a few years as a teenager due to his father's job, there was something drawing him back and that led to his residency and chief residency in Co

Before Direct Primary Care had a name, Dr. Clint Flanagan was selling monthly membership medicine in Longmont, Colorado for $99 a month. He opened his own clinic 15.1 miles from a former employer to clear a non-compete, met Dr. Garrison Bliss over a long dinner in Denver, and grew Nextera Healthcare into more than 100 affiliated clinics.

Direct Primary Care Doctor Dr. Ingrid Liu is the owner and director of Progressive Health Primary Care, PLLC, an Oak Park-based Direct Primary Care practice. With an extensive medical background, Dr. Liu earned her undergraduate degree at the University of Illinois, Urbana Champaign, her osteopathic medical degree at the Chicago College of Osteopathic Medicine, and completed her residency at the West Suburban Hospital Family Medicine program in Oak Park. As a dedicated family