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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 Powell, MD is board certified in Psychiatry.

Education & Awards

Dr. Powell graduated from Medical University of South Carolina, Charleston.


Dr. Powell has 3 hospital affiliations:

  • Spartanburg Hospital for Restorative Car 
  • Spartanburg Regional Medical Center 
  • Mental Health Center 


  • English

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Additional Information
Dr. William Sullivan Powell MD is a male Psychiatrist, has 46 years of experience and practices in Psychiatry.
Where does Dr. William S. Powell practice?
Dr. William Powell has 1 office location.
Dr. William Powell practices Psychiatry near Spartanburg, SC.
See Spartanburg Psychiatrists.