Individual provider · Type 1 NPI

Zachary Jacob Greenstein, DO

Critical Care Medicine (Internal Medicine) Physician · New York, NY

NPI number 1174151872 Active

Practice location

100 E 77th St
New York, NY 10075-1850

Call (212) 434-2000 Map

Specialties and licenses

TaxonomyCodeLicense
Critical Care Medicine (Internal Medicine) Physician Primary 207RC0200X323643 (NY)
Pulmonary Disease Physician 207RP1001X323643 (NY)

Critical Care Medicine (Internal Medicine) Physician: An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

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About NPI 1174151872

Zachary Jacob Greenstein, DO's National Provider Identifier is 1174151872, issued on Mar 29, 2020. The primary taxonomy on file is Critical Care Medicine (Internal Medicine) Physician (207RC0200X), and the practice location is in New York, NY. The record was last updated on Apr 28, 2026.