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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.

OSIAS B. DIAZ M.D.
NPI 1174592307
Emergency Medicine in Brooklyn, NY

Active since March 17, 2006
150 55TH ST, BROOKLYN, NY 11220(718) 630-7185 Get Directions Write a Review

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

About Osias B. Diaz M.d. NPPES

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

OSIAS B. DIAZ M.D. (NPI 1174592307) is an individual emergency medicine provider in Brooklyn, New York, licensed in New York (147268-1) and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1174592307
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameOSIAS B. DIAZCredential: M.D.
Location Address150 55TH STBrooklyn, NY 11220-2559
Mailing AddressPo Box 409041Atlanta, GA 30384-9041 · (800) 377-8721 · Fax (304) 523-2241
Phone(718) 630-7185
Sole ProprietorNo
Enumeration DateMarch 17, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1174592307 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in NY · 147268-1
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
150 55TH ST, Brooklyn, NY 11220
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Other Identifiers 1

Medicaid00773033NY

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. ADNAN HUSSAIN MD
Student in an Organized Health Care Education/Training Program
150 55TH ST
BROOKLYN, NY 11220
Kings County (718) 630-6373
MATTHEW THRUN-NOWICKI MD
Psychiatry & Neurology (Psychiatry)
150 55TH ST
BROOKLYN, NY 11220
Kings County (718) 630-7000
BARBARA BORTLE-GAINEY RPH
Pharmacist (Oncology)
150 55TH ST
BROOKLYN, NY 11220
Kings County (718) 630-7050
MRS. KAROLINA WALASEK FNP
Nurse Practitioner (Primary Care)
150 55TH ST
BROOKLYN, NY 11220
Kings County (718) 630-7525
WENDY KONG MPH, PA-C
Physician Assistant
150 55TH ST
BROOKLYN, NY 11220
Kings County (718) 630-7000
CHRISTINE LEE
Student in an Organized Health Care Education/Training Program
150 55TH ST
BROOKLYN, NY 11220
Kings County (718) 630-7000
ERICA L YOX
Student in an Organized Health Care Education/Training Program
150 55TH ST
BROOKLYN, NY 11220
Kings County (718) 630-7000
AMARPREET S BAINS M.D.
Hospitalist
150 55TH ST
BROOKLYN, NY 11220
Kings County (718) 630-7000

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 Osias Diaz's NPI number?

The NPI number for Osias Diaz is 1174592307. It was assigned to this individual provider in the NPPES registry on March 17, 2006.

Where is Osias Diaz located?

Osias Diaz practices at 150 55th St, Brooklyn, NY 11220. The listed phone number is (718) 630-7185.

What is Osias Diaz's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

When was this NPI record last updated?

The NPPES record for Osias Diaz 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 31 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.