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).

Learn more about Dr. William Demayo:

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Specialties & Research

Dr. William Demayo, MD is board certified in Physical Medicine & Rehabilitation.

  • He has special expertise in 7 areas:
  • Back Pain
  • Cancer
  • Complex Regional Pain Syndromes
  • Multiple Sclerosis (MS)
  • Pain
  • Spinal Cord Injuries
  • Stroke

Education & Awards

Dr. Demayo graduated from Columbia University, New York.


Dr. Demayo has 12 hospital affiliations:

  • Conemaugh Valley Memorial Hospital 
  • Westmoreland Regional Hospital 


  • English

> > > > Dr. William Demayo, MD

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Additional Information
Dr. William M Demayo MD is a male Physical Medicine/Rehab Specialist, has 25 years of experience and practices in Physical Medicine & Rehabilitation.
Where does Dr. William M. Demayo practice?
Dr. William Demayo has 1 office location.
Dr. William Demayo practices Physical Medicine & Rehabilitation near Johnstown, PA.
See Johnstown Physiatrists.