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Internal Medicine

Irina Lelchuk, MD

Sees patients in Brooklyn, NY · New York

Summary

Dr. Irina Lelchuk, MD is an internal medicine doctor at 2195 E 22nd St, Apt 1c, Brooklyn, NY 11229. Phone: (718) 648-4545. Accepts Medicare assignment. In 2024, Irina Lelchuk had 540 Original Medicare patients and 6,992 services. NPI 1942202437. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 2195 E 22nd St, Apt 1c, Brooklyn, NY 11229 · Directions
  • Phone: (718) 648‑4545
  • Medicare: Accepts Medicare assignment
  • Medical school: graduated 1993 (33 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Irina Lelchuk, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Irina Lelchuk accept Medicare assignment?
Yes. Medicare's clinician data says Irina Lelchuk accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Irina Lelchuk see?
In 2024, CMS data shows 540 Original Medicare patients and 6,992 services for Irina Lelchuk. This counts Original Medicare only and measures volume, not quality.
What is Irina Lelchuk's NPI number?
1942202437. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Irina Lelchuk, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients540
Services billed to Medicare6,992
Different services or procedures21
Participating Medicare providerYes
Average age of these patients81

Most frequent services

  1. Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes (99307)4,832 services
  2. Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)891 services
  3. Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)349 services
  4. Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes (99305)215 services
  5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)199 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis75%
  • Diabetes63%
  • Ischemic heart disease54%
  • Alzheimer's disease or dementia47%

Practice locations

Addresses where Irina Lelchuk is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in Brooklyn

Clinicians with the same Medicare primary specialty in Brooklyn, NY — not a recommendation.

All internal medicine doctors in Brooklyn →

Clinician information

CredentialMD
Graduation year1993 (33 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1942202437
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians