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

TIMOTHY ALAN GELESKE MD
NPI 1790779098
Pediatrics in Arlington Heights, IL

Q: What is Timothy Geleske's NPI number?

The NPI number for Timothy Geleske is 1790779098. It was assigned to this individual provider in the NPPES registry on September 1, 2005.

Q: What is Timothy Geleske's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Q: When was this NPI record last updated?

The NPPES record for Timothy Geleske 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.

Active since September 01, 2005

1430 N ARLINGTON HEIGHTS RD, ARLINGTON HEIGHTS, IL 60004(847) 253-3600(847) 253-3912 Get Directions Write a Review

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

On this page

About Timothy Alan Geleske Md NPPES

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

TIMOTHY ALAN GELESKE MD (NPI 1790779098) is an individual pediatrics provider in Arlington Heights, Illinois and active in the NPI registry since September 2005.

NPPES Registry Identity

NPI1790779098

Entity TypeIndividualMale

Primary Taxonomy208000000X

Provider Legal NameTIMOTHY ALAN GELESKECredential: MD

Location Address1430 N ARLINGTON HEIGHTS RDArlington Heights, IL 60004-4830

Mailing Address1430 N Arlington Heights RdArlington Heights, IL 60004-4830 · (847) 253-3600 · Fax (847) 253-3912

Phone(847) 253-3600

Fax(847) 253-3912

Sole ProprietorNo

Enumeration DateSeptember 1, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1790779098 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

1430 N ARLINGTON HEIGHTS RD, Arlington Heights, IL 60004

Open in Google Maps ↗

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.

NORTHWEST SUBURBAN SURGICAL SPECIALISTS, SC

Specialist

1430 N ARLINGTON HEIGHTS RD, SUITE 210
ARLINGTON HEIGHTS, IL 60004

Cook County (847) 255-3314

THOMAS F COZZI MD

Internal Medicine (Geriatric Medicine)

1430 N ARLINGTON HEIGHTS RD, STE. #112
ARLINGTON HEIGHTS, IL 60004

Cook County (847) 394-9900

ANDREW RYAN PETERS MD

Pediatrics

1430 N ARLINGTON HEIGHTS RD
ARLINGTON HEIGHTS, IL 60004

Cook County (847) 253-3600

BASHAR OUSTWANI M.D.

Family Medicine

1430 N ARLINGTON HEIGHTS RD, SUITE 205
ARLINGTON HEIGHTS, IL 60004

Cook County (847) 788-1400

NORTH ARLINGTON PEDIATRICS S.C.

Pediatrics

1430 N ARLINGTON HEIGHTS RD
ARLINGTON HEIGHTS, IL 60004

Cook County (847) 253-3600

ROBERT VINCENT STAIB DDS

Dentist

1430 N ARLINGTON HEIGHTS RD, SUITE 204
ARLINGTON HEIGHTS, IL 60004

Cook County (847) 259-2461

BETH SULLIVAN WALSH MD

Pediatrics

1430 N ARLINGTON HEIGHTS RD
ARLINGTON HEIGHTS, IL 60004

Cook County (847) 253-3600

VENANCIO DECASTRO M.D.

General Practice

1430 N ARLINGTON HEIGHTS RD, SUITE 206
ARLINGTON HEIGHTS, IL 60004

Cook County (847) 259-8226

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 Timothy Geleske's NPI number?

The NPI number for Timothy Geleske is 1790779098. It was assigned to this individual provider in the NPPES registry on September 1, 2005.

Where is Timothy Geleske located?

Timothy Geleske practices at 1430 N Arlington Heights Rd, Arlington Heights, IL 60004. The listed phone number is (847) 253-3600.

What is Timothy Geleske's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

When was this NPI record last updated?

The NPPES record for Timothy Geleske 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.