YEO WON AHN MD
NPI 1255912481
Pediatrics in Chicago, IL

Q: What is Yeo Won Ahn's NPI number?

The NPI number for Yeo Won Ahn is 1255912481. It was assigned to this individual provider in the NPPES registry on April 19, 2021.

Q: What is Yeo Won Ahn'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 Yeo Won Ahn was last updated on June 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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 April 19, 2021PECOS Enrolled

5841 S MARYLAND AVE # MC6054, CHICAGO, IL 60637(773) 702-6176 Get Directions Write a Review

NPPES record last updated: June 29, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 29, 2025, May 11, 2021, Apr 19, 2021 (3 updates tracked since 2021).

On this page

About Yeo Won Ahn Md NPPES

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

YEO WON AHN MD (NPI 1255912481) is an individual pediatrics provider in Chicago, Illinois, licensed in Illinois (125077982) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1255912481

Entity TypeIndividualFemale

Primary Taxonomy208000000X

Provider Legal NameYEO WON AHNCredential: MD

Location Address5841 S MARYLAND AVE # MC6054Chicago, IL 60637-1443

Mailing Address180 Harvester Dr Ste 110Burr Ridge, IL 60527-6686 · (773) 702-1150

Phone(773) 702-6176

Sole ProprietorYes

Enumeration DateApril 19, 2021

Last NPPES UpdateJune 29, 20253 updates tracked since enumeration

NPPES CertifiedJune 29, 2025

✔ NPI 1255912481 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in IL · 125077982

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.

5841 S MARYLAND AVE # MC6054, Chicago, IL 60637

Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Yeo Won Ahn Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60637 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$94.06 typical visit price

range $60.08 – $183.39

Typical copayment $23.51 (range $15.02 – $45.84)

Most-billed visit code 99203

Established Patient

$105.70 typical visit price

range $18.97 – $148.12

Typical copayment $26.42 (range $4.74 – $37.03)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

DR. SHELBY ALEXIS SIEVERS MD

Pediatrics (Pediatric Infectious Diseases)

5841 S MARYLAND AVE # MC6054
CHICAGO, IL 60637

Cook County (773) 702-6176

DAVID D ZHANG

Pediatrics (Pediatric Infectious Diseases)

5841 S MARYLAND AVE # MC6054
CHICAGO, IL 60637

Cook County (773) 834-8518

JUDITH MARIE POPOVICH FNP

Nurse Practitioner (Family)

5841 S MARYLAND AVE # MC6054, ROOM 623
CHICAGO, IL 60637

Cook County (773) 702-5290

DR. MANINDER KAUR M.D.

Pediatrics

5841 S MARYLAND AVE # MC6054
CHICAGO, IL 60637

Cook County (773) 702-0420

DR. COLLEEN BRIDGET NASH M.D., M.P.H.

Pediatrics (Pediatric Infectious Diseases)

5841 S MARYLAND AVE # MC6054, UNIVERSITY OF CHICAGO MEDICINE
CHICAGO, IL 60637

Cook County (773) 702-1000

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 Yeo Won Ahn's NPI number?

The NPI number for Yeo Won Ahn is 1255912481. It was assigned to this individual provider in the NPPES registry on April 19, 2021.

Where is Yeo Won Ahn located?

Yeo Won Ahn practices at 5841 S Maryland Ave # Mc6054, Chicago, IL 60637. The listed phone number is (773) 702-6176.

What is Yeo Won Ahn's specialty?

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

Is Yeo Won Ahn enrolled in Medicare?

Yes. Yeo Won Ahn is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Yeo Won Ahn was last updated on June 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.