Board Certification

  • Internal Medicine



University of Arizona – Tucson Hospitals
Internal Medicine
Tucson, AZ


Tucson Hospitals Medical Education Program
Internal Medicine
Tucson, AZ

Medical School

National University of San Marcos, School of Medicine
Doctor of Medicine
Lima, Peru


“Posterior nutcracker syndrome: an infrequent cause of hematuria.” Kidney International (2014): Allam, S. R., Livingston, T. S., Kalaria, V., Diaz-Calderon, W., Pumphrey, J. A., Patel, L., Sankarapandian, B.


Wilder Diaz-Calderon, M.D., is an Internal Medicine physician on the Texas Health Care physician team. Dr. Diaz joins Texas Health Care from Good Samaritan Hospital in Phoenix, Ariz. and Corpus Christi, Texas where he also served as a hospitalist. Previously, he provided medical care at several outpatient clinics, health centers and corporations in Lima, Peru. Dr. Diaz completed his residency at the University of Arizona – Tucson hospitals and an internship through Tucson Hospitals Medical Education Program. He served as a surgeon physician at Universidad Nacional Mayor de San Marcos “San Fernando” School of Medicine in Peru. Dr. Diaz is board certified in internal medicine. He has a basic knowledge of German and speaks Spanish fluently.