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Internal Medicine

Aleksander Lekan, MD

Sees patients in South Orange, NJ · New Jersey

Summary

Aleksander Lekan, MD (Internal Medicine) is enrolled with Medicare at 1 practice location in South Orange, NJ. NPI 1225055262. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Aleksander Lekan, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
36Years since medical school (graduated 1990)
MaleGender (as listed)
The Heart Center of the OrangesGroup practice

Quick answers

Where does Aleksander Lekan see patients?
Medicare's clinician data lists 1 practice location in South Orange, NJ. Call before your visit to confirm the address.
What is Aleksander Lekan's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Aleksander Lekan accept Medicare assignment?
Yes. Medicare's clinician data says Aleksander Lekan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Aleksander Lekan?
(973) 763-5200, as listed in official Medicare / NPI Registry data.
What is Aleksander Lekan's NPI number?
1225055262. 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 Aleksander Lekan is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Aleksander Lekan as a member of this group (CMS data updated 2026-10-02).

  • The Heart Center of the Oranges42 clinicians in the group

Specialties

Find other Internal Medicine doctors in New Jersey →

Other internal medicine doctors in South Orange

Clinicians with the same Medicare primary specialty in South Orange, NJ — not a recommendation.

All internal medicine doctors in South Orange →

Clinician information

CredentialMD
Graduation year1990
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1225055262
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 2026-10-02, retrieved 2026-10-29
  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