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

MARVYN ALLEN GAN CHAN M.D.
NPI 1811512890
Student in an Organized Health Care Education/Training Program in Brooklyn, NY

Active since June 15, 2020
506 6TH ST, BROOKLYN, NY 11215(718) 780-3000 Get Directions Write a Review

NPPES record last updated: July 3, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jun 3, 2025, Mar 21, 2023, Feb 21, 2023 and 1 more (4 updates tracked since 2020).

About Marvyn Allen Gan Chan M.d. NPPES

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

MARVYN ALLEN GAN CHAN M.D. (NPI 1811512890) is an individual student in an organized health care education/training program in Brooklyn, New York and active in the NPI registry since June 2020.

NPPES Registry Identity

NPI1811512890
Entity TypeIndividualMale
Primary Taxonomy390200000X
Provider Legal NameMARVYN ALLEN GAN CHANCredential: M.D.
Location Address506 6TH STBrooklyn, NY 11215-3609
Mailing Address9229 Queens Blvd Apt 15gRego Park, NY 11374-1061 · (347) 656-2764
Phone(718) 780-3000
Sole ProprietorNo
Enumeration DateJune 15, 2020
Last NPPES UpdateJuly 3, 20264 updates tracked since enumeration
NPPES CertifiedJuly 3, 2026
✔ NPI 1811512890 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.
506 6TH ST, Brooklyn, NY 11215
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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.

DR. VIVIAN JOLLEY BEA M.D.
Surgery
506 6TH ST
BROOKLYN, NY 11215
Kings County (718) 780-3288
YANJIN YANG
Internal Medicine
506 6TH ST
BROOKLYN, NY 11215
Kings County (718) 780-3000
JOY THERESE MULLEN RN, NP
Nurse Practitioner (Adult Health)
506 6TH ST, EP2
BROOKLYN, NY 11215
Kings County (718) 780-5040
ASHWAD AFZAL M.D.
Internal Medicine
506 6TH ST
BROOKLYN, NY 11215
Kings County (718) 780-5246
DR. DANIAH ALBOKHARI M.D.
Student in an Organized Health Care Education/Training Program
506 6TH ST
BROOKLYN, NY 11215
Kings County (718) 780-5260
SASIS SIRIKANJANAPONG
Pathology (Anatomic Pathology)
506 6TH ST
BROOKLYN, NY 11215
Kings County (718) 780-3634
DR. DANIELLE ABADI MD
Pediatrics
506 6TH ST
BROOKLYN, NY 11215
Kings County (718) 780-5260
KOREN H KWAG MD
Student in an Organized Health Care Education/Training Program
506 6TH ST
BROOKLYN, NY 11215
Kings County (718) 780-3000

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 Marvyn Allen Chan's NPI number?

The NPI number for Marvyn Allen Chan is 1811512890. It was assigned to this individual provider in the NPPES registry on June 15, 2020.

Where is Marvyn Allen Chan located?

Marvyn Allen Chan practices at 506 6th St, Brooklyn, NY 11215. The listed phone number is (718) 780-3000.

What is Marvyn Allen Chan'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 Marvyn Allen Chan was last updated on July 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 46 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.