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).
Our records indicate this doctor is deceased.
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Specialties & Research
Dr. David Langdon, MD is board certified in Internal Medicine and Gastroenterology.
He has special expertise in 5 Areas, including Acid Reflux Disease Gastroesophageal Reflux, Endoscopy Endoscopic Surgery, and Esophageal Stenosis.2 more special expertise areas
More Specialties & Research
Education & Awards
Dr. Langdon graduated from Washington University at St. Louis, Saint Louis.More Education & Awards