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

Prof. John Madias, MD

Individual provider Internal Medicine Physician · NPI 1740204940

Prof. John Madias, MD is a Cardiovascular Disease (Cardiology) in Elmhurst, New York. Qualified in 1966, 60 years ago. Practices with Icahn School of Medicine at Mount Sinai, a 324-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
60
Licensed in
NY
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

7901 Broadway Rm A1-9
Elmhurst, NY 11373-1329
Phone: (718) 334-4952
Fax: (718) 334-4815
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 155583 (NY)
Internal Medicine Physician Taxonomy 207R00000X · Licence 155583 (NY)

Record details

NPI number1740204940
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 27, 2006
Last updated in NPPESApril 9, 2015

Medicare enrollment

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

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1966 (60 years in practice)
Group practice Icahn School Of Medicine At Mount Sinai — 324 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Elmhurst