DR. MARK J CZAJA MD
NPI 1265522163
Internal Medicine - Gastroenterology in Bronx, NY

Q: What is Mark Czaja's NPI number?

The NPI number for Mark Czaja is 1265522163. It was assigned to this individual provider in the NPPES registry on October 13, 2006.

Q: What is Mark Czaja's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Mark Czaja was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.

Active since October 13, 2006

MONTEFIORE MEDICAL PARK, 1515 BLONDELL AVENUE, STE. 220, BRONX, NY 10461(866) 633-8255 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 04, 2026.

On this page

About Dr. Mark J Czaja Md NPPES

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

DR. MARK J CZAJA MD (NPI 1265522163) is an individual gastroenterology provider in Bronx, New York, licensed in New York (154435) and active in the NPI registry since October 2006.

NPPES Registry Identity

NPI1265522163

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. MARK J CZAJACredential: MD

Location AddressMONTEFIORE MEDICAL PARK, 1515 BLONDELL AVENUE, STE. 220Bronx, NY 10461

Mailing Address10 Smith PlWilliston Park, NY 11596-1143 · (866) 633-8255 · Fax (718) 904-2827

Phone(866) 633-8255

Sole ProprietorNo

Enumeration DateOctober 13, 2006

Last NPPES UpdateJuly 8, 2007

✔ NPI 1265522163 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in NY · 154435

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

MONTEFIORE MEDICAL PARK, Bronx, NY 10461

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Other Identifiers 1

Medicare UPINA60441NY

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.

JOEL ZONSZEIN MD

Internal Medicine (Endocrinology, Diabetes & Metabolism)

MONTEFIORE MEDICAL PARK, 1575 BLONDELL AVENUE, STE. 200
BRONX, NY 10461

Bronx County (718) 405-8260

ULRICH K SCHUBART MD

Internal Medicine (Endocrinology, Diabetes & Metabolism)

MONTEFIORE MEDICAL PARK, 1575 BLONDELL AVENUE
BRONX, NY 10461

Bronx County (718) 405-8260

JAY B DOBKIN MD

Internal Medicine (Pulmonary Disease)

MONTEFIORE MEDICAL PARK, 1515 BLONDELL AVENUE, STE. 220
BRONX, NY 10461

Bronx County (866) 633-8255

LOUIS M WEISS MD,MPH

Internal Medicine (Infectious Disease)

MONTEFIORE MEDICAL PARK, 1575 BLONDELL AVENUE
BRONX, NY 10461

Bronx County (866) 633-8255

HARRY SHAMOON MD

Internal Medicine (Endocrinology, Diabetes & Metabolism)

MONTEFIORE MEDICAL PARK, 1575 BLONDELL AVENUE, STE. 200
BRONX, NY 10461

Bronx County (718) 405-8260

DR. SIMONE SALTZMAN MD

Internal Medicine

MONTEFIORE MEDICAL PARK, 1575 BLONDELL AVENUE, STE. 200
BRONX, NY 10461

Bronx County (866) 633-8255

PETER DICPINIGAITIS MD

Internal Medicine (Critical Care Medicine)

MONTEFIORE MEDICAL PARK, 1515 BLONDELL AVENUE, STE. 220
BRONX, NY 10461

Bronx County (866) 633-8255

GOLDA HUDES MD

Allergy & Immunology

MONTEFIORE MEDICAL PARK, 1515 BLONDELL AVENUE, STE. 220
BRONX, NY 10461

Bronx County (866) 633-8255

VAUGHN W FOLKERT MD

Internal Medicine (Nephrology)

MONTEFIORE MEDICAL PARK, 1515 BLONDELL AVENUE, STE. 220
BRONX, NY 10461

Bronx County (866) 633-8255

HAROLD D KEISER MD

Internal Medicine (Rheumatology)

MONTEFIORE MEDICAL PARK, 1515 BLONDELL AVENUE, STE. 220
BRONX, NY 10461

Bronx County (718) 405-8323

STEVEN I BERK MD

Internal Medicine

MONTEFIORE MEDICAL PARK, 1575 BLONDELL AVENUE, STE. 200
BRONX, NY 10461

Bronx County (866) 633-8255

STUART O ROSENBERG MD

Internal Medicine (Nephrology)

MONTEFIORE MEDICAL PARK, 1575 BLONDELL AVENUE, STE. 220
BRONX, NY 10461

Bronx County (866) 633-8255

BRUCE C COHEN MD

Radiology (Diagnostic Radiology)

MONTEFIORE MEDICAL PARK, 1625 POPLAR STREET
BRONX, NY 10461

Bronx County (718) 405-8440

JILL P CRANDALL MD

Internal Medicine (Endocrinology, Diabetes & Metabolism)

MONTEFIORE MEDICAL PARK, 1575 BLONDELL AVENUE
BRONX, NY 10461

Bronx County (718) 405-8260

DAVID S LEE MD

Surgery

MONTEFIORE MEDICAL PARK, 1575 BLONDELL AVENUE, STE. 125
BRONX, NY 10461

Bronx County (718) 405-8238

VICTOR L SCHUSTER MD

Internal Medicine (Nephrology)

MONTEFIORE MEDICAL PARK, 1515 BLONDELL AVENUE, STE. 220
BRONX, NY 10461

Bronx County (718) 430-2906

JAYANTA R ROY-CHOWDHURY MD

Internal Medicine (Gastroenterology)

MONTEFIORE MEDICAL PARK, 1515 BLONDELL AVENUE, STE. 200
BRONX, NY 10461

Bronx County (866) 633-8255

HENNY H BILLETT MD

Internal Medicine (Hematology)

MONTEFIORE MEDICAL PARK, 1575 BLONDELL AVENUE
BRONX, NY 10461

Bronx County (866) 633-8255

HELENA DUFFY RNP

Nurse Practitioner

MONTEFIORE MEDICAL PARK, 1575 BLONDELL AVENUE STE 200
BRONX, NY 10461

Bronx County (718) 405-8260

MICHAEL FISHER MD

Dermatology

MONTEFIORE MEDICAL PARK, 1575 BLONDELL AVENUE, STE. 200
BRONX, NY 10461

Bronx County (866) 633-8255

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 Mark Czaja's NPI number?

The NPI number for Mark Czaja is 1265522163. It was assigned to this individual provider in the NPPES registry on October 13, 2006.

Where is Mark Czaja located?

Mark Czaja practices at Montefiore Medical Park 1515 Blondell Avenue, Ste. 220, Bronx, NY 10461. The listed phone number is (866) 633-8255.

What is Mark Czaja's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

When was this NPI record last updated?

The NPPES record for Mark Czaja was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.