Leonard Grayson, MD, Allergy & Immunology, Quincy, IL


Allergy & Immunology Quincy, IL


Are you Dr. Grayson?

Join over one million U.S. Physicians, Nurse Practitioners and PAs, already on Doximity.

  • Connect with colleagues in the same hospital or clinic
    You already have 3 invites waiting!
  • Search all U.S. specialist profiles and refer a patient
  • Read the latest clinical news and earn CME/CEU credits

Claim this profile

Not you? Find your profile


  • Dr. Leonard Grayson, MD is an allergist/immunologist in Quincy, Illinois. He is currently licensed to practice medicine in Illinois.

Education & Training

  • VA Medical CenterInternship, Transitional Year, 1951 - 1952
  • Sailors Snug Harbor HospitalInternship, Transitional Year, 1950 - 1951
  • Chicago Medical School at Rosalind Franklin University
    Chicago Medical School at Rosalind Franklin UniversityClass of 1951

Certifications & Licensure

  • IL State Medical License
    IL State Medical License 1956 - 2014
  • American Board of Allergy and Immunology Allergy & Immunology
  • American Board of Dermatology Dermatology