Dr. John Douglas Clark MD is a male Internist, has 25 years of experience and practices in Internal Medicine, Pulmonary Disease, Critical Care Medicine, Sleep Medicine, and Critical Care Medicine.
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.
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Education & Awards
Dr. Clark graduated from University of Tennessee, Memphis.More Education & Awards
Dr. Clark has 7 hospital affiliations:
- Spartanburg Regional Medical Center
- Mary Black 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
More Accepted Insurance
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- Additional Information
- Where does Dr. John D. Clark practice?
Dr. John Clark practices Internal Medicine, Pulmonary Disease, Critical Care Medicine, Sleep Medicine, and Critical Care Medicine near Spartanburg, SC.
Additional practice locations include: Greer, SC.
See Spartanburg Internists, Spartanburg Pulmonologists, Spartanburg Urgent Care Centers, and Spartanburg Sleep Medicine Doctors.