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Internist, Critical Care Specialist, Pulmonologist (lungs)
40 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).

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Specialties & Research

Dr. William Merrill, MD is board certified in Internal Medicine and Pulmonary Disease.

  • He has special expertise in 7 areas:
  • Asbestosis (Asbestos-related diseases)
  • Asthma
  • Inflammation
  • Lung Diseases
  • Pulmonary Fibrosis
  • Sarcoidosis
  • Tracheotomy

Education & Awards

Dr. Merrill graduated from Medical College of Wisconsin, Milwaukee.


Dr. Merrill has 4 hospital affiliations:

  • Medical University Of South Carolina 
  • Musc Medical Center 

> > > > Dr. William Merrill, MD

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Additional Information
Dr. William W Merrill MD is a male Internist, has 40 years of experience and practices in Internal Medicine, Pulmonary Disease, and Critical Care Medicine.
Where does Dr. William W. Merrill practice?
Dr. William Merrill has 1 office location.
Dr. William Merrill practices Internal Medicine, Pulmonary Disease, and Critical Care Medicine near Charleston, SC.
See Charleston Internists, Charleston Pulmonologists, and Charleston Critical Care Practitioners.