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

Marshall Leonard, MD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1902255318

Marshall Leonard, MD is a Student in an Organized Health Care Education/Training Program in Stony Brook, New York. Works from 3 locations. Licensed in New York.

Licensed in
NY
In the registry since
2016
Specialties on file
2
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 Nicolls Rd Hsc L4 Rm 50
Stony Brook, NY 11794-0001
Phone: (631) 444-2478
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • Department Of Emergency Medicine, Manhasset, NY 11030 — (516) 562-1238
  • Stony Brook Medicine, Stony Brook, NY 11794-8350 — (631) 444-3880

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 298264 (NY)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1902255318
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 7, 2016
Last updated in NPPESJuly 29, 2020
Certification dateJuly 29, 2020

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