1. Home
  2. Directory
  3. New York
  4. Harrison
  5. Dentist
  6. NPI Profile

DR. MAREK NIZNIKIEWICZ DDS
NPI 1578684239
Dentist - Oral and Maxillofacial Surgery in Harrison, NY

Active since April 02, 2007
351 HARRISON AVE, HARRISON, NY 10528(516) 297-8390 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Marek Niznikiewicz Dds NPPES

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

DR. MAREK NIZNIKIEWICZ DDS (NPI 1578684239) is an individual oral and maxillofacial surgery provider in Harrison, New York, licensed in New York (049967) and active in the NPI registry since April 2007.

NPPES Registry Identity

NPI1578684239
Entity TypeIndividualMale
Primary Taxonomy1223S0112X
Provider Legal NameDR. MAREK NIZNIKIEWICZCredential: DDS
Location Address351 HARRISON AVEHarrison, NY 10528-2716
Mailing Address351 Harrison AveHarrison, NY 10528-2716 · (516) 297-8390
Phone(516) 297-8390
Sole ProprietorYes
Enumeration DateApril 2, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1578684239 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · Oral and Maxillofacial SurgeryDental Providers
Taxonomy Code1223S0112X
License✔ Licensed in NY · 049967
Definition
An oral and maxillofacial surgery dentist specialized in the diagnosis, surgical and adjunctive treatment of diseases, injuries and defects involving both the functional and esthetic aspects of the hard and soft tissues of the oral and maxillofacial region.
351 HARRISON AVE, Harrison, NY 10528
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, BEST Life, Blue Cross and Blue Shield of Alabama and more.Insurance ›

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. STANISLAW - NIZNIKIEWICZ MD
Obstetrics & Gynecology
351 HARRISON AVE, 351 HARRISON AVE
HARRISON, NY 10528
Westchester County (914) 777-1300

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 Marek Niznikiewicz's NPI number?

The NPI number for Marek Niznikiewicz is 1578684239. It was assigned to this individual provider in the NPPES registry on April 2, 2007.

Where is Marek Niznikiewicz located?

Marek Niznikiewicz practices at 351 Harrison Ave, Harrison, NY 10528. The listed phone number is (516) 297-8390.

What is Marek Niznikiewicz's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Oral and Maxillofacial Surgery, with taxonomy code 1223S0112X.

What insurance does Marek Niznikiewicz accept?

Health plans from Anthem Blue Cross and Blue Shield, BEST Life, Blue Cross and Blue Shield of Alabama, Blue Cross and Blue Shield of Montana and Blue Cross and Blue Shield of Oklahoma and 7 other insurers list Marek Niznikiewicz as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Marek Niznikiewicz was last updated on July 8, 2007. NPI Profile syncs with the weekly NPPES data releases published by CMS.