DR. JOHN KOSKI M.D.
NPI 1043589203
General Practice in New York, NY

Active since December 17, 2011
404 E 76TH ST, #30B, NEW YORK, NY 10021(917) 432-2755 Get Directions Write a Review

NPPES record last updated: December 17, 2011. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. John Koski M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JOHN KOSKI M.D. (NPI 1043589203) is an individual general practice provider in New York, New York, licensed in New York (219191) and active in the NPI registry since December 2011.

NPPES Registry Identity

NPI1043589203
Entity TypeIndividualMale
Primary Taxonomy208D00000X
Provider Legal NameDR. JOHN KOSKICredential: M.D.
Location Address404 E 76TH ST, #30BNew York, NY 10021-1400
Mailing Address404 E 76th St, #30bNew York, NY 10021-1400 · (917) 432-2755
Sole ProprietorYes
Enumeration DateDecember 17, 2011
NPI 1043589203 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians
Taxonomy Code208D00000X
License Licensed in NY · 219191
Definition
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee
404 E 76TH ST, New York, NY 10021

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Koski's NPI number?

The NPI number for John Koski is 1043589203. It was assigned to this individual provider in the NPPES registry on December 17, 2011.

Where is John Koski located?

John Koski practices at 404 E 76th St #30b, New York, NY 10021. The listed phone number is (917) 432-2755.

What is John Koski's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

When was this NPI record last updated?

The NPPES record for John Koski was last updated on December 17, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.