Dr. David J. Congdon and his advanced specialized care centers feature a team of skilled, knowledgeable providers with decades of experience in their fields and extensive training and professional certifications and memberships. Drawing on this background, our team focuses on providing the highest level of care to you, the patient, in multiple specialty areas such as otolaryngology, skin, and hearing. Our main office location is located at 2515 Cyclone Drive in Waterloo, Iowa, and we also offer outreach clinics in Waverly, Independence, and Grundy Center to better serve the surrounding communities.