DR. ELLEN G CHADWICK (MD) – Pediatric Infectious Diseases Physician, NPI 1669431078

Pediatric Infectious Diseases Physician

DR. ELLEN G CHADWICK (MD) is a healthcare provider. based in Chicago, Illinois. specializing in Pediatric Infectious Diseases Physician. They hold the professional credentials MD. They hold a License No. 036063875 (IL). The NPI Number for DR. ELLEN G CHADWICK (MD) is 1669431078

Main info

Female

47 Years Of Experience

Accepts Medicare Assignment

Name

DR. ELLEN G CHADWICK (MD)

NPI

1669431078

Phone

(312) 227-4080

Address

225 E CHICAGO AVE

Enumeration Date

23 March 2006

Last Update Date

20 May 2020

Doctor Profile

Medical School Name

UNIVERSITY OF VIRGINIA SCHOOL OF MEDICINE

Secondary Phone

8005437362

Graduation Year

1979 (47 years ago)

PAC ID

1355302381

Group Practice PAC ID

4789597279

Professional Enrollment ID

I20041022001050

Data current as of

19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology

Experience64

Completeness75

Years active:20State licenses:1Digital endpointsOther names

Loading map...

Provider Addresses for DR. ELLEN G CHADWICK (MD)

Ann & Robert H. Lurie Children's Hospital, 225, East Chicago Avenue, Magnificent Mile, Near North Side, Chicago, Cook County, Illinois, 60611, United States
CHICAGO, IL 606112991
Phone: (312) 227-4080
Fax: (312) 227-9709
Type: Mailing
20-24, East Chicago Avenue, Magnificent Mile, Near North Side, Chicago, Cook County, Illinois, 60611, United States
CHICAGO, IL 606112991
Phone: (312) 227-4000
Fax: (312) 227-9709
Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

Loading prescription activity...

Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 60611)

Loading plans...

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.

PAC ID: 4789597279View full group profile

Name	Specialty	State
GRANT RICHARD HAHN (M.D.)	Pulmonary Disease, Critical Care (Intensivists)	IL
STEPHANIE FRANCES CHANDLER (MD)	Pediatric Medicine, Cardiovascular Disease (Cardiology)	IL
DR. AHMAD SAMI CHAOUKI (M.D., PHD)	Pediatric Medicine, Cardiovascular Disease (Cardiology)	IL
MARY LYNN KREITER (MD)	-	IL
SHEETAL RAMESHKUMAR PATEL (M.D.)	-	IL
MRS. DEBORAH MARIE KUNZON (APN-NP)	-	IL
LAURA ELIZABETH FINN	-	IL
DR. PAUL J KIM (M.D.)	-	IL
DR. BRANDON LEE PARKER (M.D.)	-	IL
JENNIFER JAO (MD)	-	IL

Reviews

All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.

No reviews yet. Be the first to share your experience — your opinion helps families compare providers.

Frequently asked questions

Does DR. ELLEN G CHADWICK (MD) share an NPI with anyone else?

NPI numbers are unique to each provider or organization — DR. ELLEN G CHADWICK (MD) uses 1669431078.

Can I rely on DR. ELLEN G CHADWICK (MD) being an active provider?

As of the registry snapshot, DR. ELLEN G CHADWICK (MD) is marked active.

What is DR. ELLEN G CHADWICK (MD)'s specialty?

The listing groups DR. ELLEN G CHADWICK (MD) with Pediatric Infectious Diseases Physician. Clinical services aligned with this taxonomy classification.

What address line appears for DR. ELLEN G CHADWICK (MD)?

DR. ELLEN G CHADWICK (MD)'s geographic hint is Chicago, Illinois in our summary view.

Is specialty guaranteed by NPI alone?

Taxonomy selections describe intent; scope of practice still follows state law.

Similar Providers

DANIEL JOHNSON

Pediatric Infectious Diseases Physician

4400 W 95TH ST STE 1200H

NPI: 1902899438

DR. GARY SCOTT MARSHALL (MD)

Pediatric Infectious Diseases Physician

Music Box Theatre, 3733, North Southport Avenue, Wrigleyville, Lake View, Lakeview, Chicago, Lake View Township, Cook County, Illinois, 60613, United States

NPI: 1720062268