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

DR. MARTIN KARWOWSKI DDS
NPI 1881647436
Dentist - General Practice in Chicago, IL

Q: What is Martin Karwowski's NPI number?

The NPI number for Martin Karwowski is 1881647436. It was assigned to this individual provider in the NPPES registry on May 17, 2006. The provider is also known as Dr. Marcin Karwowski Dds.

Q: What is Martin Karwowski's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Q: When was this NPI record last updated?

The NPPES record for Martin Karwowski 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 44 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.

Active since May 17, 2006

6411 N CALDWELL AVE, CHICAGO, IL 60646(773) 631-6101(773) 631-7808 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

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About Dr. Martin Karwowski Dds NPPES

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

DR. MARTIN KARWOWSKI DDS (NPI 1881647436) is an individual general practice provider in Chicago, Illinois, licensed in Illinois (19-026135) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1881647436

Entity TypeIndividualMale

Primary Taxonomy1223G0001X

Provider Legal NameDR. MARTIN KARWOWSKICredential: DDS

Location Address6411 N CALDWELL AVEChicago, IL 60646-2713

Mailing Address6411 N Caldwell AveChicago, IL 60646-2713 · (773) 631-6101 · Fax (773) 631-7808

Phone(773) 631-6101

Fax(773) 631-7808

Sole ProprietorNo

Enumeration DateMay 17, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1881647436 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers

Taxonomy Code1223G0001X

License✔ Licensed in IL · 19-026135

Definition

A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.

6411 N CALDWELL AVE, Chicago, IL 60646

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Other Names 1

Other Name (5)Dr. Marcin Karwowski Dds

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 ›

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 Karwowski's NPI number?

The NPI number for Martin Karwowski is 1881647436. It was assigned to this individual provider in the NPPES registry on May 17, 2006. The provider is also known as Dr. Marcin Karwowski Dds.

Where is Martin Karwowski located?

Martin Karwowski practices at 6411 N Caldwell Ave, Chicago, IL 60646. The listed phone number is (773) 631-6101.

What is Martin Karwowski's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

What insurance does Martin Karwowski 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 6 other insurers list Martin Karwowski 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 Martin Karwowski 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 44 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.