1. Home
  2. Directory
  3. Illinois
  4. Chicago
  5. Pediatrics
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. DIEP NGUYEN POULOS
NPI 1457299307
Pediatrics in Chicago, IL

Active since March 23, 2026PECOS Enrolled
820 S WOOD ST, CHICAGO, IL 60612(312) 996-2933 Get Directions Write a Review

NPPES record last updated: August 16, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Aug 16, 2026, Mar 23, 2026 (2 updates tracked since 2026).

About Dr. Diep Nguyen Poulos NPPES

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

DR. DIEP NGUYEN POULOS (NPI 1457299307) is an individual pediatrics provider in Chicago, Illinois, licensed in Illinois (125.088206) and active in the NPI registry since March 2026. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1457299307
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. DIEP NGUYEN POULOS
Location Address820 S WOOD STChicago, IL 60612-4325
Mailing Address820 S Wood St, Mc 675Chicago, IL 60612-4325 · (312) 996-2933
Phone(312) 996-2933
Sole ProprietorNo
Enumeration DateMarch 23, 2026
Last NPPES UpdateAugust 16, 20262 updates tracked since enumeration
NPPES CertifiedAugust 16, 2026
✔ NPI 1457299307 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in IL · 125.088206
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.
820 S WOOD ST, Chicago, IL 60612
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)

Dr. Diep Nguyen Poulos 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 60612 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 20

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

ADAM KOSLOFF
Student in an Organized Health Care Education/Training Program
820 S WOOD ST, MC 675
CHICAGO, IL 60612
Cook County (312) 996-7000
DR. JOSEPH FRANK MICHALSKI MD, MPH, MS
Orthopaedic Surgery
820 S WOOD ST
CHICAGO, IL 60612
Cook County (516) 497-1888
VICTOR R GORDEUK MD
Internal Medicine (Hematology & Oncology)
820 S WOOD ST, SICKLE CELL CTR. SUITE 172, CLINICAL SCIENCES BUILDING
CHICAGO, IL 60612
Cook County (312) 996-5680
DR. MARIO SPAGGIARI M.D.
Transplant Surgery
820 S WOOD ST, STE 619 CSB - MC 957
CHICAGO, IL 60612
Cook County (312) 355-1885
MATTHEW JARED RANZER MD
Surgery (Plastic and Reconstructive Surgery)
820 S WOOD ST, SUITE 515 CSN
CHICAGO, IL 60612
Cook County (312) 996-9313
SOFIA SAMI MD
Psychiatry & Neurology (Psychiatry)
820 S WOOD ST
CHICAGO, IL 60612
Cook County (312) 413-1718
BOARD OF TRUSTEES OF THE UNIVERSITY OF ILLINOIS
Health Maintenance Organization
820 S WOOD ST, SUITE W310 - M/C 974
CHICAGO, IL 60612
Cook County (844) 810-2273
FRANK GONZALEZ M.D.
Obstetrics & Gynecology (Reproductive Endocrinology)
820 S WOOD ST, M/C 808
CHICAGO, IL 60612
Cook County (312) 996-7006

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 Diep Poulos's NPI number?

The NPI number for Diep Poulos is 1457299307. It was assigned to this individual provider in the NPPES registry on March 23, 2026.

Where is Diep Poulos located?

Diep Poulos practices at 820 S Wood St, Chicago, IL 60612. The listed phone number is (312) 996-2933.

What is Diep Poulos's specialty?

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

Is Diep Poulos enrolled in Medicare?

Yes. Diep Poulos is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Diep Poulos was last updated on August 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.