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

Dr. Marina Fronshtein, MD

Individual provider Internal Medicine Physician · NPI 1134353436

Dr. Marina Fronshtein, MD is an Internal Medicine Physician in Brooklyn, New York. Licensed in New York. Registered with an NPI since 2009.

Licensed in
NY
In the registry since
2009
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

800 Poly Pl
Brooklyn, NY 11209-7104
Phone: (718) 836-6600
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 258283 (NY)

Record details

NPI number1134353436
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 14, 2009
Last updated in NPPESAugust 15, 2014

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