These areas are among Dr. Fleischer's clinical interests: sinusitis (sinus infection), anaphylaxis, and asthma. Humana HMO, Humana Bronze, and Humana Catastrophic are among the insurance carriers that Dr. Fleischer takes. He studied medicine at Emory University School of Medicine. For his residency, Dr. Fleischer trained at a hospital affiliated with Johns Hopkins University. He is affiliated with Children's Hospital Colorado and CU Medicine.