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Preston Samuel Clark
Cone Health Medical Group

Preston Samuel Clark, MD

Specialties and/or Subspecialties

  • Endocrinology,
  • Internal Medicine
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Preston S. Clark, MD, specializes in endocrinology and internal medicine with special interests in thyroid disease and diabetes mellitus.

Attentive, patient and helpful, Dr. Clark enjoys the intellectual challenge of problem solving with patients and the reward of having made a difference. He believes in partnering with patients to help manage chronic conditions.

In his spare time, he enjoys traveling, golfing and spending time with his grandchildren.

“I try to explain to patients that ours is a team effort. We’re in this together, and we must each do our share.” – Preston S. Clark, MD



Medical School

New York University Medical School


Columbia University/Harlem Hospital Center


University of North Carolina at Chapel Hill