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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).

Learn more about Dr. John Langdon:

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Education & Awards

Dr. Langdon graduated from Creighton University, Omaha.


Dr. Langdon has 2 hospital affiliations:

  • Florida Hospital 
  • Florida Hospital Celebration Health 

> > > > Dr. John Langdon, MD

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Additional Information
Dr. John Gerald Langdon MD is a male Internist, has 44 years of experience and practices in Internal Medicine.
Where does Dr. John G. Langdon practice?
Dr. John Langdon has 2 office locations.
Dr. John Langdon practices Internal Medicine near Orlando, FL.
Additional practice locations include: Winter Park, FL.
See Orlando Internists.