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GUILLERMO ALEJANDRO MEJIA ALARCON
NPI 1740163633
Student in an Organized Health Care Education/Training Program in Brooklyn, NY

Active since July 28, 2025
450 CLARKSON AVE, BROOKLYN, NY 11203(718) 270-2353 Get Directions Write a Review

NPPES record last updated: July 28, 2025. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Guillermo Alejandro Mejia Alarcon NPPES

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

GUILLERMO ALEJANDRO MEJIA ALARCON (NPI 1740163633) is an individual student in an organized health care education/training program in Brooklyn, New York and active in the NPI registry since July 2025.

NPPES Registry Identity

NPI1740163633
Entity TypeIndividualMale
Primary Taxonomy390200000X
Provider Legal NameGUILLERMO ALEJANDRO MEJIA ALARCON
Location Address450 CLARKSON AVEBrooklyn, NY 11203-2012
Mailing Address450 Clarkson AveBrooklyn, NY 11203-2012 · (718) 270-2353
Phone(718) 270-2353
Sole ProprietorNo
Enumeration DateJuly 28, 2025
NPPES CertifiedJuly 28, 2025
✔ NPI 1740163633 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyStudent in an Organized Health Care Education/Training ProgramStudent, Health Care
Taxonomy Code390200000X
Definition
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
450 CLARKSON AVE, Brooklyn, NY 11203
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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.

SUNY DOWNSTATE MEDICAL CENTER UHB
Obstetrics & Gynecology
450 CLARKSON AVE
BROOKLYN, NY 11203
Kings County (718) 363-2908
UNIVERSITY PHYSICIANS OF BROOKLYN
Internal Medicine (Gastroenterology)
450 CLARKSON AVE, SUITE A
BROOKLYN, NY 11203
Kings County (718) 270-1112
SNEHALATA R TOPGI MD
Emergency Medicine
450 CLARKSON AVE
BROOKLYN, NY 11203
Kings County (718) 270-3295
DR. MARYAM NOORI KOLOORI M.D.
Student in an Organized Health Care Education/Training Program
450 CLARKSON AVE, SUNY DOWNSTATE MEDICAL CENTER
BROOKLYN, NY 11203
Kings County (412) 737-3789
DR. VIVEK YADAV MD
Internal Medicine (Pulmonary Disease)
450 CLARKSON AVE
BROOKLYN, NY 11203
Kings County (718) 270-3302
DR. DANIEL BEEGAN MD
Family Medicine
450 CLARKSON AVE, MSC 67
BROOKLYN, NY 11203
Kings County (718) 270-4096
ELIEZER LEVITANSKY DO
Emergency Medicine
450 CLARKSON AVE
BROOKLYN, NY 11203
Kings County (245) 331-8718
MIGUEL ANGEL BARRIOS MD
Emergency Medicine
450 CLARKSON AVE
BROOKLYN, NY 11203
Kings County (718) 245-4798

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 Guillermo Mejia Alarcon's NPI number?

The NPI number for Guillermo Mejia Alarcon is 1740163633. It was assigned to this individual provider in the NPPES registry on July 28, 2025.

Where is Guillermo Mejia Alarcon located?

Guillermo Mejia Alarcon practices at 450 Clarkson Ave, Brooklyn, NY 11203. The listed phone number is (718) 270-2353.

What is Guillermo Mejia Alarcon's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

When was this NPI record last updated?

The NPPES record for Guillermo Mejia Alarcon was last updated on July 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.