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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The overall average patient rating of Dr. John Clark is Average.
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Specialties & Research
Dr. John Clark, MD is board certified in Internal Medicine, Critical Care Medicine, Pulmonary Disease, and Sleep Medicine.
- He has special expertise in 2 areas:
Education & Awards
Dr. Clark graduated from University of Tennessee, Memphis.
Dr. Clark has 7 hospital affiliations:
- Spartanburg Regional Medical Center
- Greenville Memorial Hospital
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- Additional Information
- Dr. John Douglas Clark MD is a male Internist, has 26 years of experience and practices in Internal Medicine, Pulmonary Disease, Critical Care Medicine, and Sleep Medicine.
- Where does Dr. John D. Clark practice?
- Dr. John Clark has 3 office locations.
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.