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

Individual provider Otolaryngology Physician · NPI 1639732464

Alexander Duffy, MD is an Otolaryngology in Philadelphia, Pennsylvania. Graduated from Temple University School of Medicine in 2019, 7 years ago. Practices with Temple Faculty Practice Plan Inc, a 1,314-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
7
Trained at
Temple University School of Medicine
Licensed in
PA
In the registry since
2019
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

3509 N Broad St
Philadelphia, PA 19140-4105
Phone: (844) 570-1767
Fax: (215) 707-6676
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Otolaryngology Physician (primary) Taxonomy 207Y00000X · Licence MD490457 (PA)

Record details

NPI number1639732464
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 17, 2019
Last updated in NPPESJanuary 16, 2026
Certification dateJanuary 16, 2026
Mailing address3500 N Broad St Rm 1a, Philadelphia, PA 19140-4106

Medicare enrollment

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

Medicare specialtyOTOLARYNGOLOGY
Medical schoolTEMPLE UNIVERSITY SCHOOL OF MEDICINE
Graduated 2019 (7 years in practice)
Group practice Temple Faculty Practice Plan Inc — 1314 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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