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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.

DR. MARK J. GRUNBERG D.D.S.
NPI 1962407239
Dentist - General Practice in Chicago, IL

Active since June 14, 2005
3758 W CHICAGO AVE, CHICAGO, IL 60651(773) 276-6600 Get Directions Write a Review

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

About Dr. Mark J. Grunberg D.d.s. NPPES

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

DR. MARK J. GRUNBERG D.D.S. (NPI 1962407239) is an individual general practice provider in Chicago, Illinois and active in the NPI registry since June 2005.

NPPES Registry Identity

NPI1962407239
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameDR. MARK J. GRUNBERGCredential: D.D.S.
Location Address3758 W CHICAGO AVEChicago, IL 60651-3823
Mailing Address3758 W Chicago AveChicago, IL 60651-3823 · (773) 276-6600
Phone(773) 276-6600
Sole ProprietorNo
Enumeration DateJune 14, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1962407239 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
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.
3758 W CHICAGO AVE, Chicago, IL 60651
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Other Identifiers 1

Medicaid1002071IL

Other Providers at the Same Location NPPES 7

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

HAMLIN-CHICAGO PHARMACY INC
Pharmacy
3758 W CHICAGO AVE
CHICAGO, IL 60651
Cook County (773) 227-7440
DONNA IGNACIO VASQUEZ MD LLC
Family Medicine
3758 W CHICAGO AVE
CHICAGO, IL 60651
Cook County (773) 235-0626
NAJIB CHALJUB M.D.
Family Medicine
3758 W CHICAGO AVE
CHICAGO, IL 60651
Cook County (773) 235-0626
ACEZR LEYNES MD LLC
Family Medicine
3758 W CHICAGO AVE
CHICAGO, IL 60651
Cook County (773) 235-0626
ACEZR LEYNES M.D.
Family Medicine
3758 W CHICAGO AVE
CHICAGO, IL 60651
Cook County (773) 235-0626
B & K DRUG INC.
Pharmacy
3758 W CHICAGO AVE
CHICAGO, IL 60651
Cook County (847) 985-1195
MARK J. GRUNBERG, D.D.S.
Clinic/Center (Dental)
3758 W CHICAGO AVE
CHICAGO, IL 60651
Cook County (773) 276-6600

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 Grunberg's NPI number?

The NPI number for Mark Grunberg is 1962407239. It was assigned to this individual provider in the NPPES registry on June 14, 2005.

Where is Mark Grunberg located?

Mark Grunberg practices at 3758 W Chicago Ave, Chicago, IL 60651. The listed phone number is (773) 276-6600.

What is Mark Grunberg's specialty?

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

When was this NPI record last updated?

The NPPES record for Mark Grunberg 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 28 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.