Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. ESTELLE IRENE ROUSSEAU MD
NPI 1598469231
Family Medicine in Chicago, IL

Q: What is Estelle Rousseau's NPI number?

The NPI number for Estelle Rousseau is 1598469231. It was assigned to this individual provider in the NPPES registry on March 28, 2023.

Q: What is Estelle Rousseau's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Estelle Rousseau was last updated on July 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 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.

Active since March 28, 2023PECOS Enrolled

251 E HURON ST, CHICAGO, IL 60611(847) 535-7157 Get Directions Write a Review

NPPES record last updated: July 29, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Jul 29, 2026, Jul 23, 2023, Mar 28, 2023 (3 updates tracked since 2023).

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About Dr. Estelle Irene Rousseau Md NPPES

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

DR. ESTELLE IRENE ROUSSEAU MD (NPI 1598469231) is an individual family medicine provider in Chicago, Illinois, licensed in Illinois (036181381) and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS and maintains a secondary practice location in Grayslake.

NPPES Registry Identity

NPI1598469231

Entity TypeIndividualFemale

Primary Taxonomy207Q00000X

Provider Legal NameDR. ESTELLE IRENE ROUSSEAUCredential: MD

Location Address251 E HURON STChicago, IL 60611-3055

Mailing Address1475 E Belvidere Rd Unit 385Grayslake, IL 60030-2026 · (847) 535-7157

Phone(847) 535-7157

Sole ProprietorNo

Enumeration DateMarch 28, 2023

Last NPPES UpdateJuly 29, 20263 updates tracked since enumeration

NPPES CertifiedJuly 29, 2026

✔ NPI 1598469231 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in IL · 036181381

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.

251 E HURON ST, Chicago, IL 60611

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Secondary Practice Location 1

Location 11475 E Belvidere Rd Unit 385Grayslake, IL 60030-2026 · Phone (847) 535-7157

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. Estelle Irene Rousseau 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 60611 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.

MARK WANG M.D.

Pathology (Anatomic Pathology & Clinical Pathology)

251 E HURON ST, FEINBERG PAVILION
CHICAGO, IL 60611

Cook County (312) 503-8144

DR. MARLEY ANN DOYLE M/D.

Psychiatry & Neurology (Psychiatry)

251 E HURON ST, GALTER 3-150, C
CHICAGO, IL 60611

Cook County (312) 926-6895

CASSIDY SCHWAB MD

Anesthesiology