Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Joseph Duffy, MD

Individual provider Emergency Medicine Physician · NPI 1033117171

Dr. Joseph Duffy, MD is a Family Practice in Wayne, New Jersey. Qualified in 1987, 39 years ago. Practices with St Josephs Medical Group PC, a 226-clinician group and accepts Medicare assignment. Licensed in New Jersey.

Years since qualifying
39
Licensed in
NJ
In the registry since
2005
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

220 Hamburg Tpke Ste 14
Wayne, NJ 07470-2110
Phone: (973) 942-0200
Fax: (973) 942-0202
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence MA056567 (NJ)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 25MA05656700 (NJ)

Record details

NPI number1033117171
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 12, 2005
Last updated in NPPESMay 21, 2012
Mailing address220 Hamburg Tpke, Suite 14, Wayne, NJ 07470-2110

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 1987 (39 years in practice)
Group practice St Josephs Medical Group Pc — 226 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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