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  • Dr. John Thiel, MD is an allergist/immunologist in Saint Louis, Missouri. He is currently licensed to practice medicine in Missouri. He is affiliated with Mercy Hospital St. Louis.

Education & Training

  • St Johns Mercy Medical CenterResidency, Internal Medicine, 1961 - 1964
  • St Johns Mercy Medical CenterInternship, Transitional Year, 1960 - 1961
  • Saint Louis University School of MedicineClass of 1960

Certifications & Licensure

  • MO State Medical License
    MO State Medical License 1960 - 2020
  • American Board of Allergy and Immunology Allergy & Immunology

Awards, Honors, & Recognition

  • Meaningful Use Stage 1 Certification Centers for Medicare & Medicaid Services, 2012
  • Top MD Consumers Checkbook

Publications & Presentations


Hospital Affiliations