Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

CHIEN I KO MD
NPI 1023066917
Family Medicine in Chicago, IL

Active since May 04, 2006
11000 S HALSTED ST, CHICAGO, IL 60628(773) 264-2236 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Chien I Ko Md NPPES

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

CHIEN I KO MD (NPI 1023066917) is an individual family medicine provider in Chicago, Illinois and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1023066917
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameCHIEN I KOCredential: MD
Location Address11000 S HALSTED STChicago, IL 60628-3909
Mailing Address8247 Arrowhead LnOrland Park, IL 60462-1748 · (773) 995-3459
Sole ProprietorNo
Enumeration DateMay 4, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1023066917 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

11000 S HALSTED ST, Chicago, IL 60628

Other Providers at the Same Location NPPES 5

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

Nurse Practitioner (Family)
11000 S HALSTED ST
CHICAGO, IL 60628
Family Medicine
11000 S HALSTED ST
CHICAGO, IL 60628
Nurse Practitioner (Family)
11000 S HALSTED ST
CHICAGO, IL 60628
Internal Medicine
11000 S HALSTED ST
CHICAGO, IL 60628
Nurse Practitioner (Family)
11000 S HALSTED ST
CHICAGO, IL 60628

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 Chien Ko's NPI number?

The NPI number for Chien Ko is 1023066917. It was assigned to this individual provider in the NPPES registry on May 4, 2006.

Where is Chien Ko located?

Chien Ko practices at 11000 S Halsted St, Chicago, IL 60628. The listed phone number is (773) 264-2236.

What is Chien Ko's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

When was this NPI record last updated?

The NPPES record for Chien Ko was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.