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

Dr. Gregory Tadeusz Marecki, MD

Individual provider Hospitalist Physician · NPI 1881129856

Dr. Gregory Tadeusz Marecki, MD is a Hospitalist Physician in New York, New York. Licensed in New York. Registered with an NPI since 2017.

Licensed in
NY
In the registry since
2017
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

550 1st Ave
New York, NY 10016-6402
Phone: (212) 263-5506
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 304273 (NY)

Record details

NPI number1881129856
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 26, 2017
Last updated in NPPESJuly 29, 2026
Certification dateJuly 29, 2026

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