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

Michael L Aaron, MD

Individual provider Cardiovascular Disease Physician · NPI 1790762623

Michael L Aaron, MD is a Cardiovascular Disease (Cardiology) in West Islip, New York. Graduated from State University of New York at Buffalo School of Medicine in 1976, 50 years ago. Practices with St Francis Hospital, a 98-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
50
Trained at
State University of New York at Buffalo School of Medicine
Licensed in
NY
In the registry since
2005
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

540 Union Blvd
West Islip, NY 11795
Phone: (631) 669-2555
Fax: (631) 669-5787
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 134852 (NY)

Record details

NPI number1790762623
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 30, 2005
Last updated in NPPESAugust 25, 2014
Mailing address540 Union Blvd, West Islip, NY 11795

Medicare enrollment

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

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Also practisesINTERNAL MEDICINE
Medical schoolSTATE UNIVERSITY OF NEW YORK AT BUFFALO SCHOOL OF MEDICINE
Graduated 1976 (50 years in practice)
Group practice St Francis Hospital — 98 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in West Islip