Dr. Schaffer's clinical interests encompass arrhythmias (irregular heartbeats). His hospital/clinic affiliations include Children's Hospital Colorado, Centura Health, and CU Medicine. He takes several insurance carriers, including Humana HMO, Humana Bronze, and Humana Catastrophic. Dr. Schaffer studied medicine at the University of Minnesota Medical School. His training includes a residency program at a hospital affiliated with the University of Colorado Denver.