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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

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Specialties & Research

Dr. John Davis, MD is board certified in Internal Medicine and Cardiovascular Disease.

  • He has special expertise in 5 areas:
  • Acute Coronary Syndrome (ACS)
  • Heart Block
  • High Blood Pressure (Hypertension)
  • High Cholesterol (Hypercholesterolemia)
  • Unstable Angina

Education & Awards

Dr. Davis graduated from Washington University at St. Louis, Saint Louis.


Dr. Davis has 9 hospital affiliations:

  • Christian Hospital Northeast 
  • Depaul Health Center 

> > > > Dr. John Davis, MD

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Additional Information
Dr. John Christopher Davis MD is a male Internist, has 34 years of experience and practices in Internal Medicine and Cardiovascular Disease.
Where does Dr. John C. Davis practice?
Dr. John Davis has 2 office locations.
Dr. John Davis practices Internal Medicine and Cardiovascular Disease near Florissant, MO.
Additional practice locations include: Staunton, IL.
See Florissant Internists and Florissant Cardiologists.