> > > > Dr. John Clark, MD
Dr. John Douglas Clark MD is a male Internist, has 25 years of experience and practices in Internal Medicine, Pulmonary Disease, Critical Care Medicine, and Sleep Medicine.
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 Clark, MD is board certified in Internal Medicine, Critical Care Medicine, Pulmonary Disease, and Sleep Medicine.


Education & Awards

Dr. Clark graduated from University of Tennessee, Memphis.


Affiliations

Dr. Clark has 7 hospital affiliations:

  • Spartanburg Regional Medical Center 
  • Greenville Memorial Hospital 

Accepted Insurance Plans

Dr. Clark accepts these health insurances in at least one office:

  • United Healthcare - 2 plans
  • Medical Mutual of Ohio - 2 plans
  • Unicare - 3 plans
  • Blue Cross Blue Shield of South Carolina - 2 plans
  • Cigna - 2 plans
  • Great-West Healthcare - 2 plans
  • Medicare - 1 plan
  • USA H & W Network - 1 plan
  • Humana - 2 plans
  • Absolute Total Care - 1 plan
  • AMERIGROUP - 2 plans


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Additional Information
Where does Dr. John D. Clark practice?
Dr. John Clark practices Internal Medicine, Pulmonary Disease, Critical Care Medicine, and Sleep Medicine near Spartanburg, SC.
Additional practice locations include: Greer, SC.
See Spartanburg Internists, Spartanburg Pulmonologists, Spartanburg Critical Care Practitioners, and Spartanburg Sleep Medicine Doctors.