Whalen, John E., MD Specialty Nephrology Gender Male Location Dubuque, Iowa Clinic Grand River Medical Group, P.C. Nephrology & Hypertension Clinic Address 1500 Delhi Street, Suite 2100, Dubuque, IA 52001 Phone Number 5635894835 Website Address http://www.grmg.health https://www.facebook.com/GrandRiverMedicalGroup/ https://twitter.com/GrandRiverMG