NPPES file of Aug 9, 2026

Oleg Katcher, MD

Gastroenterology Physician · Brooklyn, NY

Oleg Katcher, MD is a gastroenterology physician with a practice address in Brooklyn, New York, and NPI 1598701468, issued on Jun 21, 2006. Check the license (New York 211769, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1598701468
Name
Oleg Katcher
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
211769 NY
Self-reported in NPPES; status is on the state search
Practice location
1765 E 19TH St, Brooklyn, NY 11229
Phone
(718) 360-5953
Enumerated
Jun 21, 2006
Record last updated
Jun 15, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(718) 758-4380
Medicaid ID
02461714 NY
Medicare enrollment
Enrolled (PECOS I20040324000289); accepts Medicare assignment
Medical or professional school
Icahn School Of Medicine At Mount Sinai, 1997
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Oleg Katcher in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 211769
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New York license search

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5.5 times the Medicare Part D claims of the average gastroenterology physician in 2024

4,463 Medicare Part D claims for 707 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.

  1. Oleg Katcher4,463
  2. Specialty average811

Most prescribed

  1. Omeprazole840 claims
  2. Pantoprazole Sodium594 claims
  3. Linzess476 claims
  4. Famotidine458 claims
  5. Dexlansoprazole Dr443 claims
  6. Sod Sulf-Potass Sulf-Mag Sulf316 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

No measured MIPS final score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $19,543.64

114 payments; by number, the most common kind was food and beverage; the largest payer was Madrigal Pharmaceuticals. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Oleg Katcher$19,544
  2. Specialty average$5,016

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Oleg Katcher MD PCBrooklyn, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Oleg Katcher among 1,797 gastroenterology physician records in New York

Oleg Katcher, MD is one of 1,797 gastroenterology physician records with a practice address in New York. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.

  • NPI issued2006 · 15% of these records are older, 44% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated1997 · median 1999 among the 1,378 with a school on file
  • Record last updated2020 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in New York

There are 1,797 gastroenterology physician records in New York.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Joseph Durzieh, M.D.Brooklyn, NY 112291942271010
  2. Jeffrey Gamss, MDBrooklyn, NY 112291780793943
  3. Gary Gettenberg, M.D.Brooklyn, NY 112291194795476
  4. Inna Gordin, M.D.Brooklyn, NY 112291093866386
  5. Stephen Haddad, M.D.Brooklyn, NY 112291801844964
  6. Kadirawelpillai Iswara, MDBrooklyn, NY 112291265506828
  7. Alvin Leb, MDBrooklyn, NY 112291356358220
  8. Yuriy PertsovskyBrooklyn, NY 112291326085168

Common questions

What is Oleg Katcher, MD's NPI number?

Oleg Katcher, MD's National Provider Identifier (NPI) is 1598701468, issued on Jun 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Oleg Katcher, MD located?

The NPPES record lists a practice address at 1765 E 19TH St, Brooklyn, NY, 11229. Phone: (718) 360-5953. Providers update this record themselves, so call before visiting.

How can I verify Oleg Katcher, MD's license?

NPPES lists New York license number 211769, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Oleg Katcher, MD prescribe under Medicare Part D?

In 2024, Oleg Katcher, MD had 4,463 Medicare Part D claims for 707 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

What is Oleg Katcher, MD's MIPS final score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.