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DR. IVAN BERGSTEIN M.D.
NPI 1043397839
Internal Medicine - Hematology & Oncology in Great Neck, NY

Active since November 01, 2006
28 ARLEIGH RD, GREAT NECK, NY 11021(917) 992-2168 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Ivan Bergstein M.d. NPPES

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

DR. IVAN BERGSTEIN M.D. (NPI 1043397839) is an individual hematology & oncology provider in Great Neck, New York, licensed in New York (194810) and active in the NPI registry since November 2006.

NPPES Registry Identity

NPI1043397839
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. IVAN BERGSTEINCredential: M.D.
Location Address28 ARLEIGH RDGreat Neck, NY 11021-1327
Mailing Address28 Arleigh RdGreat Neck, NY 11021-1327 · (917) 992-2168
Phone(917) 992-2168
Sole ProprietorYes
Enumeration DateNovember 1, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1043397839 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in NY · 194810
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
28 ARLEIGH RD, Great Neck, NY 11021
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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 Ivan Bergstein's NPI number?

The NPI number for Ivan Bergstein is 1043397839. It was assigned to this individual provider in the NPPES registry on November 1, 2006.

Where is Ivan Bergstein located?

Ivan Bergstein practices at 28 Arleigh Rd, Great Neck, NY 11021. The listed phone number is (917) 992-2168.

What is Ivan Bergstein's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

When was this NPI record last updated?

The NPPES record for Ivan Bergstein was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.