Browse Health
Emergency Physician
28 years of experience
Accepting new patients
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 Langley:

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Specialties & Research

Dr. John Langley, MD is board certified in Emergency Medicine.

Education & Awards

Dr. Langley graduated from Case Western Reserve University , Cleveland.


Dr. Langley has 4 hospital affiliations:

  • Louisiana Heart Hospital 
  • Methodist Hospital 

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Additional Information
Dr. John Mark Langley MD is a male Emergency Medicine Specialist, has 28 years of experience and practices in Emergency Medicine.
Where does Dr. John M. Langley practice?
Dr. John Langley has 4 office locations.
Dr. John Langley practices Emergency Medicine near Gretna, LA.
Additional practice locations include: West Monroe, LA and Terrytown, LA.
See Gretna Emergency Physicians.