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DR. MING T CHIEN M.D.
NPI 1952518920
Emergency Medicine - Pediatric Emergency Medicine in Naperville, IL

Active since May 17, 2007PECOS Enrolled
801 S WASHINGTON ST, NAPERVILLE, IL 60540(630) 527-3000(630) 527-3371 Get Directions Write a Review

NPPES record last updated: November 14, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 14, 2025, Dec 22, 2022, Jun 8, 2020 (3 updates tracked since 2020).

About Dr. Ming T Chien M.d. NPPES

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

DR. MING T CHIEN M.D. (NPI 1952518920) is an individual pediatric emergency medicine provider in Naperville, Illinois, licensed in Illinois (036117696) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1952518920
Entity TypeIndividualMale
Primary Taxonomy207PP0204X
Provider Legal NameDR. MING T CHIENCredential: M.D.
Location Address801 S WASHINGTON STNaperville, IL 60540-7430
Mailing Address2650 Ridge Ave Ste 1223Evanston, IL 60201-1700 · (847) 570-2040 · Fax (847) 733-5315
Phone(630) 527-3000
Fax(630) 527-3371
Sole ProprietorYes
Enumeration DateMay 17, 2007
Last NPPES UpdateNovember 14, 20253 updates tracked since enumeration
NPPES CertifiedNovember 14, 2025
✔ NPI 1952518920 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyEmergency Medicine · Pediatric Emergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207PP0204X
License✔ Licensed in IL · 036117696
Definition
Pediatric Emergency Medicine is a clinical subspecialty that focuses on the care of the acutely ill or injured child in the setting of an emergency department.
Also ListedEmergency MedicineTaxonomy 207P00000X · License 036117696 (IL)
Also ListedPediatricsTaxonomy 208000000X · License 036117696 (IL)
Also ListedPediatrics · Pediatric Emergency MedicineTaxonomy 2080P0204X · License 40169 (AZ), 036117696 (IL)
801 S WASHINGTON ST, Naperville, IL 60540
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Secondary Practice Locations 2

Location 11775 Dempster StPark Ridge, IL 60068-1143 · Phone (847) 723-5150
Location 225 N. Winfield Rd, Central DuPage Hospital- Emergency DepartmentWinfield, IL 60190-1290 · Phone (630) 933-1602

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Ming T Chien M.d. 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.

Medicare Billing Reassignments

4

Medicare enrollment records show Ming Chien reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Edward Hospital
Same address
General Acute Care Hospital
801 S WASHINGTON ST
Naperville, IL 60540
  • Reassigned Medicare billing, Illinois enrollment
  • 268 clinicians in this Medicare group
NPI 1013969013 (630) 655-0450
Central Dupage Emergency Physicians, PC
7.8 mi
Emergency Medicine
25 N. WINFIELD ROAD
Winfield, IL 60190
  • Reassigned Medicare billing, Illinois enrollment
  • 64 clinicians in this Medicare group
NPI 1619074028 (630) 933-2640
Cep America - Illinois, LLP
9.2 mi
Emergency Medicine
1325 N HIGHLAND AVE
Aurora, IL 60506
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Cepamerica Illinois LLP
  • 982 clinicians in this Medicare group
NPI 1164975371 (630) 859-2222
Endeavor Health Medical Group
32 mi
Allergy & Immunology
1000 CENTRAL ST
Evanston, IL 60201
  • Reassigned Medicare billing, Illinois enrollment
  • 4,841 clinicians in this Medicare group
NPI 1497701882 (847) 570-5235

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60540 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
$93.02 typical visit price
range $59.81 – $181.38
Typical copayment $23.25 (range $14.95 – $45.34)
Most-billed visit code 99203
Established Patient
$105.07 typical visit price
range $19.15 – $147.12
Typical copayment $26.26 (range $4.78 – $36.78)
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.

DR. HAFEZ M. SAMI M.D.
Pain Medicine (Interventional Pain Medicine)
801 S WASHINGTON ST
NAPERVILLE, IL 60540
Dupage County (630) 348-3300
MICHAEL J. HARTMANN MD
Emergency Medicine
801 S WASHINGTON ST
NAPERVILLE, IL 60540
Dupage County (630) 527-3000
SEEMA ISHAQ JEELANI D.O.
Emergency Medicine
801 S WASHINGTON ST
NAPERVILLE, IL 60540
Dupage County (630) 527-3000
CORTNEY COLE MD
Family Medicine (Hospice and Palliative Medicine)
801 S WASHINGTON ST
NAPERVILLE, IL 60540
Dupage County (630) 527-3000
EDWARD HOSPITAL
General Acute Care Hospital
801 S WASHINGTON ST
NAPERVILLE, IL 60540
Dupage County (630) 655-0450
DR. HODA A. EL- ASMAR MD
Internal Medicine (Infectious Disease)
801 S WASHINGTON ST, EDWARD HOSPITAL, ADMINISTRATION, VPMA OFFICE
NAPERVILLE, IL 60540
Dupage County (630) 527-5647
AMAAR MASOOD MALIK DO
Radiology (Diagnostic Radiology)
801 S WASHINGTON ST
NAPERVILLE, IL 60540
Dupage County (630) 527-3200
DR. SANGITA RANGALA M.D.
Emergency Medicine
801 S WASHINGTON ST
NAPERVILLE, IL 60540
Dupage County (630) 527-3288

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 Ming Chien's NPI number?

The NPI number for Ming Chien is 1952518920. It was assigned to this individual provider in the NPPES registry on May 17, 2007.

Where is Ming Chien located?

Ming Chien practices at 801 S Washington St, Naperville, IL 60540. The listed phone number is (630) 527-3000.

What is Ming Chien's specialty?

The primary specialty registered for this NPI is Emergency Medicine, specializing in Pediatric Emergency Medicine, with taxonomy code 207PP0204X.

Is Ming Chien enrolled in Medicare?

Yes. Ming Chien is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Ming Chien's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ming Chien reassigns Medicare benefits to 4 organizations: Edward Hospital (Naperville, IL), Central Dupage Emergency Physicians, PC (Winfield, IL), Cep America - Illinois, LLP (Aurora, IL) and Endeavor Health Medical Group (Evanston, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ming Chien's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Ming Chien was last updated on November 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.