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

Individual provider General Practice Physician · NPI 1043589203

Dr. John Koski, MD is a General Practice Physician in New York, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2011
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

404 E 76th St #30B
New York, NY 10021-1400
Phone: (917) 432-2755
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

General Practice Physician (primary) Taxonomy 208D00000X · Licence 219191 (NY)

Record details

NPI number1043589203
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedDecember 17, 2011
Last updated in NPPESDecember 17, 2011

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