Merck Manual

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Larry E. Johnson, MD, PhD

Specialities and Expertise

  • Geriatrics, Family Medicine, Preventive Medicine



  • Medical School: University of Chicago Pritzker School of Medicine, Chicago, IL
  • Residency: Family Medicine, Rush University Medical Center, Chicago, IL
  • Fellowship: Geriatric Medicine, UCLA Medical Center, Los Angeles, CA
  • Doctorate: Psychobiology, California Institute of Technology, Pasadena, CA


  • American Board of Family Medicine – Family Medicine
  • American Board of Family Medicine – Geriatric Medicine