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

MARTIN KARASEWICZ
NPI 1922936608
Nurse Practitioner - Adult Health in Brooklyn, NY

Active since May 12, 2026
150 55TH ST, BROOKLYN, NY 11220(929) 486-0824 Get Directions Write a Review

NPPES record last updated: July 16, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 16, 2026, May 12, 2026 (2 updates tracked since 2026).

About Martin Karasewicz NPPES

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

MARTIN KARASEWICZ (NPI 1922936608) is an individual adult health provider in Brooklyn, New York, licensed in New York (312938) and active in the NPI registry since May 2026.

NPPES Registry Identity

NPI1922936608
Entity TypeIndividualMale
Primary Taxonomy363LA2200X
Provider Legal NameMARTIN KARASEWICZ
Location Address150 55TH STBrooklyn, NY 11220-2508
Mailing Address150 55th StBrooklyn, NY 11220-2508 · (929) 486-0824
Sole ProprietorYes
Enumeration DateMay 12, 2026
Last NPPES UpdateJuly 16, 20262 updates tracked since enumeration
NPPES CertifiedJuly 16, 2026
NPI 1922936608 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License Licensed in NY · 312938
150 55TH ST, Brooklyn, NY 11220

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.

Student in an Organized Health Care Education/Training Program
150 55TH ST
BROOKLYN, NY 11220
Psychiatry & Neurology (Psychiatry)
150 55TH ST
BROOKLYN, NY 11220
Pharmacist (Oncology)
150 55TH ST
BROOKLYN, NY 11220
Nurse Practitioner (Primary Care)
150 55TH ST
BROOKLYN, NY 11220
Physician Assistant
150 55TH ST
BROOKLYN, NY 11220
Student in an Organized Health Care Education/Training Program
150 55TH ST
BROOKLYN, NY 11220
Student in an Organized Health Care Education/Training Program
150 55TH ST
BROOKLYN, NY 11220
Hospitalist
150 55TH ST
BROOKLYN, NY 11220

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 Martin Karasewicz's NPI number?

The NPI number for Martin Karasewicz is 1922936608. It was assigned to this individual provider in the NPPES registry on May 12, 2026.

Where is Martin Karasewicz located?

Martin Karasewicz practices at 150 55th St, Brooklyn, NY 11220. The listed phone number is (929) 486-0824.

What is Martin Karasewicz's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

When was this NPI record last updated?

The NPPES record for Martin Karasewicz was last updated on July 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 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.