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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).

Learn more about Dr. William Hennessey:

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  1. Qualifications
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Patient Reviews

Patient comments (18)

The overall average patient rating of Dr. William Hennessey is Average. Dr. Hennessey has been reviewed by 43 patients who have provided 18 comments. The rating is 3 out of 5 stars.

Patient Ratings
Ease of Appointment 2.4
Promptness 2.3
Courteous Staff 2.7
Accurate Diagnosis 2.1
Bedside Manner 2.1
Spends Time with Me 2.1
Follows Up After Visit 2.2

Specialties & Research

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

  • He has special expertise in 1 area:
  • Electrodiagnostics

Education & Awards

Dr. Hennessey graduated from Temple University Physicians, Philadelphia.


Dr. Hennessey has 11 hospital affiliations:

  • Westmoreland Regional Hospital 
  • Frick Hospital 

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Additional Information
Dr. William J Hennessey MD is a male Physical Medicine/Rehab Specialist, has 20 years of experience and practices in Physical Medicine & Rehabilitation.
Where does Dr. William J. Hennessey practice?
Dr. William Hennessey has 1 office location.
Dr. William Hennessey practices Physical Medicine & Rehabilitation near Greensburg, PA.
See Greensburg Physiatrists.