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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).

Patient Reviews

Patient comments (6)

The overall average patient rating of Dr. Joseph Duffy, Family Practitioner, Emergency Physician is Good. Dr. Duffy has been reviewed by 19 patients who have provided 6 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 4.5
Promptness 4.3
Courteous Staff 4.4
Accurate Diagnosis 4.3
Bedside Manner 4.3
Spends Time with Me 4.5
Follows Up After Visit 4.4

Specialties & Research

Dr. Joseph Duffy, MD is board certified in Family Medicine.

  • He has special expertise in 2 areas:
  • Aviation Medicine
  • Drug Abuse (Substance-Related Addiction Disorders)

Education & Awards

Dr. Duffy graduated from Ross University, Edison. He has 2 awards.

Patients' Choice Award (2012 - 2014)
American Academy of Family Physician *


Dr. Duffy has 3 hospital affiliations:

  • St. Joseph's Wayne Hospital 
  • St. Joseph'S Regional Medical Center 
  • Hoboken University Medical Center 

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Additional Information
Dr. Joseph Michael Duffy MD is a male Emergency Medicine Specialist, has 25 years of experience and practices in Emergency Medicine and Family Medicine.
Where does Dr. Joseph M. Duffy practice?
Dr. Joseph Duffy has 1 office location.
Dr. Joseph Duffy practices Emergency Medicine and Family Medicine near Wayne, NJ.
See Wayne Emergency Physicians and Wayne Family Physicians.