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

Dr. Danielle Duffy, MD

Individual provider Cardiovascular Disease Physician · NPI 1427094697

Dr. Danielle Duffy, MD is a Cardiovascular Disease (Cardiology) in Philadelphia, Pennsylvania. Graduated from Perelman School of Med at the University of Pennsylvania in 2002, 24 years ago. Practices with Jefferson University Physicians, a 1,554-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
24
Trained at
Perelman School of Med at the University of Pennsylvania
Licensed in
PA
In the registry since
2006
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

925 Chestnut St Mezzanine Jefferson Heart Institute
Philadelphia, PA 19107-4216
Phone: (215) 955-5050
Fax: (215) 503-5650
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Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence MD426956 (PA)

Record details

NPI number1427094697
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 22, 2006
Last updated in NPPESMarch 24, 2015

Medicare enrollment

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

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Also practisesGENERAL PRACTICE
Medical schoolPERELMAN SCHOOL OF MED AT THE UNIVERSITY OF PENNSYLVANIA
Graduated 2002 (24 years in practice)
Group practice Jefferson University Physicians — 1554 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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