Browse Health
Internist
17 years of experience
Video profile
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).

Patient Reviews

4.0
  • Currently 4 of 4 stars
(19)
Patient comments (3)

The overall average patient rating of Dr. William Duffy is Excellent. Dr. Duffy has been reviewed by 19 patients who have provided 3 comments. The rating is 4 out of 4 stars.

Patient Ratings
Ease of Appointment 3.1
  • Currently 3.1111111111111 of 4 stars
Promptness 3.6
  • Currently 3.625 of 4 stars
Courteous Staff 3.9
  • Currently 3.8888888888889 of 4 stars
Accurate Diagnosis 3.9
  • Currently 3.8888888888889 of 4 stars
Bedside Manner 3.9
  • Currently 3.8888888888889 of 4 stars
Spends Time with Me 3.9
  • Currently 3.8888888888889 of 4 stars
Follows Up After Visit 3.9
  • Currently 3.875 of 4 stars

Specialties & Research

Dr. William Duffy, MD is board certified in Internal Medicine.

  • He has special expertise in 1 area:
  • Flu (Human Influenza)

Education & Awards

Dr. Duffy graduated from Georgetown University, Washington. He has 9 awards.

Awards  
Castle Connolly's Top Doctors™ (2012 - 2013)
Patients' Choice 5th Anniversary Award (2012 - 2013)
Patients' Choice Award (2008 - 2014)
Compassionate Doctor Recognition (2010 - 2013)
Bridges to Excellence Recognition
Bridges to Excellence Medical Home Recognition (2012 - 2015)
Level III
NCQA Physician Practice Connections - Patient Centered Medical Home (2012 - 2015)
Top 10 Doctor - City (2014)
Philadelphia, PA
Internist
Top 10 Doctor - Metro Area (2014)
Delaware Valley
Internist
On-Time Doctor Award (2014)

Affiliations

Dr. Duffy has 7 hospital affiliations:

  • Pennsylvania Hospital University PA Health System 
  • Thomas Jefferson University Hospital 

> > > > Dr. William Duffy, MD

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Additional Information
Dr. William Neal Duffy MD is a male Internist, has 17 years of experience and practices in Internal Medicine.
Where does Dr. William N. Duffy practice?
Dr. William Duffy has 3 office locations.
Dr. William Duffy practices Internal Medicine near Philadelphia, PA.
Additional practice locations include: Radnor, PA.
See Philadelphia Internists.