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OLEG KATCHER MDPC
NPI 1124191325
Internal Medicine - Gastroenterology in Brooklyn, NY

Active since November 16, 2006
1765 EAST 19TH STREET, BROOKLYN, NY 11229(718) 758-4379 Get Directions Write a Review

NPPES record last updated: May 5, 2016. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Oleg Katcher Mdpc NPPES

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

OLEG KATCHER MDPC (NPI 1124191325) is a healthcare organization registered as a gastroenterology in Brooklyn, New York and active in the NPI registry since November 2006. The organization lists Oleg Katcher, Md, as its authorized official.

NPPES Registry Identity

NPI1124191325
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameOLEG KATCHER MDPC
Location Address1765 EAST 19TH STREETBrooklyn, NY 11229-2201
Mailing Address1765 East 19th StreetBrooklyn, NY 11229-2201 · (718) 758-4379
Phone(718) 758-4379
Organization SubpartNo
Authorized OfficialOleg KatcherMd · (718) 758-4379
Enumeration DateNovember 16, 2006
Last NPPES UpdateMay 5, 2016
✔ NPI 1124191325 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in NY · 211769
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
1765 EAST 19TH STREET, Brooklyn, NY 11229
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Other Identifiers 3

Medicaid02461714NY
Medicare PINWZT3D1NY
Medicare UPINI00476NJ

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Oleg Katcher Mdpc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Oleg Katcher Mdpc, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.

Clinicians, nearest first (2)

Oleg Katcher, MD
Gastroenterology
NPI 1598701468
1765 E 19TH ST
Brooklyn, NY 11229
(718) 360-5953
✔ PECOS✔ Accepts MedicareSame address
Andrew Oliff, M.D.
Pathology
NPI 1255485611
506 6TH ST
Brooklyn, NY 11215
(718) 780-3659
✔ PECOS✔ Accepts Medicare4.4 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Oleg Katcher Mdpc's NPI number?

The NPI number for Oleg Katcher Mdpc is 1124191325. It was assigned to this organization in the NPPES registry on November 16, 2006.

Where is Oleg Katcher Mdpc located?

Oleg Katcher Mdpc is located at 1765 East 19th Street, Brooklyn, NY 11229. The listed phone number is (718) 758-4379.

What is Oleg Katcher Mdpc's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Oleg Katcher Mdpc enrolled in Medicare?

Yes. Oleg Katcher Mdpc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Oleg Katcher Mdpc?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Oleg Katcher Mdpc, in Gastroenterology and Pathology. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Oleg Katcher Mdpc was last updated on May 5, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.