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

Marc R Kirschner, MD

Individual provider Cardiovascular Disease Physician · NPI 1871571216

Marc R Kirschner, MD is a Cardiovascular Disease (Cardiology) in West Islip, New York. Graduated from Icahn School of Medicine at Mount Sinai in 1975, 51 years ago. Practices with St Francis Hospital, a 98-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
51
Trained at
Icahn School of Medicine at Mount Sinai
Licensed in
NY
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

540 Union Blvd
West Islip, NY 11795-3105
Phone: (631) 669-2555
Fax: (631) 669-3051
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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 1273161 (NY)

Record details

NPI number1871571216
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 5, 2006
Last updated in NPPESAugust 25, 2014
Mailing address540 Union Blvd, West Islip, NY 11795-3105

Medicare enrollment

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

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolICAHN SCHOOL OF MEDICINE AT MOUNT SINAI
Graduated 1975 (51 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