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

Dr. Stephen Andrew Mezzafonte, MD

Individual provider Internal Medicine Physician · NPI 1649443649

Dr. Stephen Andrew Mezzafonte, MD is an Interventional Cardiology in Roslyn, New York. Graduated from New York University School of Medicine in 2002, 24 years ago. Practices with Chs Physician Partners PC, a 747-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
24
Trained at
New York University School of Medicine
Licensed in
NY
In the registry since
2008
Specialties on file
3
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

100 Port Washington Blvd St Francis Hospital - Dept OF Cardiology
Roslyn, NY 11576-1353
Phone: (516) 390-9640
Fax: (516) 390-9650
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Interventional Cardiology Physician (primary) Taxonomy 207RI0011X · Licence 230538 (NY)
Internal Medicine Physician Taxonomy 207R00000X · Licence 230538 (NY)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence 230538 (NY)

Record details

NPI number1649443649
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 10, 2008
Last updated in NPPESApril 13, 2010

Medicare enrollment

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

Medicare specialtyINTERVENTIONAL CARDIOLOGY
Also practisesCARDIOVASCULAR DISEASE (CARDIOLOGY), INTERNAL MEDICINE
Medical schoolNEW YORK UNIVERSITY SCHOOL OF MEDICINE
Graduated 2002 (24 years in practice)
Group practice Chs Physician Partners Pc — 747 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations8 on file with Medicare

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