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Internal Medicine

Steven Lazar, MD

Sees patients in Brooklyn, NY · New York

Summary

Dr. Steven Lazar, MD is an internal medicine doctor at 1518 43rd St, Brooklyn, NY 11219. Phone: (718) 436-9111. Accepts Medicare assignment. NPI 1932232154. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 1518 43rd St, Brooklyn, NY 11219 · Directions
  • Phone: (718) 436‑9111
  • Medicare: Accepts Medicare assignment
  • Medical school: State University Of New York Downstate Medical Center · graduated 1976 (50 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Steven Lazar, 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 Steven Lazar accept Medicare assignment?
Yes. Medicare's clinician data says Steven Lazar 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.
What is Steven Lazar's NPI number?
1932232154. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Steven Lazar 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
Medical schoolState University Of New York Downstate Medical Center
Graduation year1976 (50 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1932232154
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. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians