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Fidel Castillo Diaz, Geriatrics

Fidel Castillo, MD


Get to know our provider

Dr. Castillo Diaz specializes in comprehensive geriatric assessment, dementia, and falls.

Gender : Male
Language : English, Spanish

Specialties & Services

  • General Internal Medicine
  • Geriatrics
  • Internal Medicine
  • Geriatric Medicine
  • Internal Medicine


South Loop Physicians Group, Suite 205

2600 S. Michigan Ave.
Chicago, IL 60616


  • Board Certification: Internal Medicine
  • Fellowship: University of Illinois at Chicago
  • Internship: San Juan City Hospital, San Juan, Puerto Rico
  • Medical School: Universidad Autonoma De Centro America
  • Residency: San Juan City Hospital, San Juan, Puerto Rico