Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MS. MARGARET LESIAK EICHLER RN FNP
NPI 1386608693
Registered Nurse in Brooklyn, NJ

Active since April 13, 2006
800 POLY PLACE, BROOKLYN, NJ 11209(718) 836-6600(718) 567-4077 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

About Ms. Margaret Lesiak Eichler Rn Fnp NPPES

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

MS. MARGARET LESIAK EICHLER RN FNP (NPI 1386608693) is an individual registered nurse in Brooklyn, New Jersey, licensed in Nebraska (19254) and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1386608693
Entity TypeIndividualFemale
Primary Taxonomy163W00000X
Provider Legal NameMS. MARGARET LESIAK EICHLERCredential: RN FNP
Location Address800 POLY PLACEBrooklyn, NJ 11209-7104
Mailing Address83 Meisner AveStaten Island, NY 10306-1235 · (718) 351-5380 · Fax (718) 351-0227
Fax(718) 567-4077
Sole ProprietorNo
Enumeration DateApril 13, 2006
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
NPI 1386608693 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyRegistered NurseNursing Service Providers
Taxonomy Code163W00000X
License Licensed in NE · 19254
Definition
(1) A registered nurse is a person qualified by graduation from an accredited nursing school (depending upon schooling, a registered nurse may receive either a diploma from a hospital program, an associate degree in nursing (A.D.N.) or a Bachelor of Science degree in nursing (B.S.N.), who is licensed or certified by the state, and is practicing within the scope of that license or certification. R.N.'s assist patient in recovering and maintaining their physical or mental health. They assist physicians during treatments and examinations and administer medications. (2) A provider who is trained and educated in a formal nursing education program at an accredited school of nursing, passes a national certification examination, and is licensed by the state to practice nursing. The individual provides nursing services to patients or clients in areas such as health promotion, disease prevention, acute and chronic care and restoration and maintenance of health across the life span.
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License F3334101 (NY)
Also ListedClinical Nurse Specialist · Occupational HealthTaxonomy 364SX0106X · License 1869171 (NY)
800 POLY PLACE, Brooklyn, NJ 11209

Other Names 1

Former Name (1)Margaret Mary Lesiak Registered Nurse

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Pharmacist
800 POLY PLACE
BROOKLYN, NY 11209
Social Worker (Clinical)
800 POLY PLACE, SOCIAL WORK SERVICE #122
BROOKLYN, NY 11209
Student in an Organized Health Care Education/Training Program
800 POLY PLACE
BROOKLYN, NY 11209
Student in an Organized Health Care Education/Training Program
800 POLY PLACE, VA NY HARBOR NEALTHCARE SYSTEM
BROOKLYN, NY 11209
Social Worker
800 POLY PLACE
BROOKLYN, NY 11209
Military Hospital
800 POLY PLACE
BROOKLYN, NY 11209
Emergency Medicine
800 POLY PLACE, VA NY HARBOR HEALTHCARE SYSTEM
BROOKLYN, NY 11209
Social Worker (Clinical)
800 POLY PLACE, DEPARTMENT OF VETERAN
BROOKLYN, NY 11209

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 Margaret Eichler's NPI number?

The NPI number for Margaret Eichler is 1386608693. It was assigned to this individual provider in the NPPES registry on April 13, 2006. The provider is also known as Margaret Mary Lesiak Registered Nurse.

Where is Margaret Eichler located?

Margaret Eichler practices at 800 Poly Place, Brooklyn, NJ 11209. The listed phone number is (718) 836-6600.

What is Margaret Eichler's specialty?

The primary specialty registered for this NPI is Registered Nurse with taxonomy code 163W00000X.

When was this NPI record last updated?

The NPPES record for Margaret Eichler was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 33 days 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.