Patients gave Dr. Philgreen an average rating of 4.5 stars out of 5. His areas of expertise include chronic sinusitis, depression, and sleep apnea. He is an in-network provider for Humana HMO, Humana Bronze, and Humana Catastrophic, in addition to other insurance carriers. He studied medicine at the University of Chicago, Pritzker School of Medicine. Dr. Philgreen is affiliated with Research Hospital.