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DR. NANCY BUNN BROWN M.D.
NPI 1104052513
Pediatrics in Gurnee, IL

Active since June 01, 2009PECOS Enrolled
36100 N BROOKSIDE DR STE 106, GURNEE, IL 60031(847) 821-9500 Get Directions Write a Review

NPPES record last updated: July 6, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 6, 2026, Jan 14, 2026, Jan 29, 2019 (3 updates tracked since 2019).

About Dr. Nancy Bunn Brown M.d. NPPES

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

DR. NANCY BUNN BROWN M.D. (NPI 1104052513) is an individual pediatrics provider in Gurnee, Illinois, licensed in Illinois (036.129956) and active in the NPI registry since June 2009. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1104052513
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. NANCY BUNN BROWNCredential: M.D.
Location Address36100 N BROOKSIDE DR STE 106Gurnee, IL 60031-4572
Mailing Address36100 N Brookside Dr Ste 106Gurnee, IL 60031-4572 · (847) 821-9500
Phone(847) 821-9500
Sole ProprietorNo
Enumeration DateJune 1, 2009
Last NPPES UpdateJuly 6, 20263 updates tracked since enumeration
NPPES CertifiedJuly 6, 2026
✔ NPI 1104052513 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in IL · 036.129956
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.
36100 N BROOKSIDE DR STE 106, Gurnee, IL 60031
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Other Names 1

Former Name (1)Dr. Nancy Brown Brown M.d.

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Nancy Bunn Brown 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 Reassignment

Medicare enrollment records show Nancy Brown reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Lurie Children's Medical Group Inc
38 mi
Pediatrics
225 E CHICAGO AVE
Chicago, IL 60611
  • Reassigned Medicare billing, Illinois enrollment
  • 826 clinicians in this Medicare group
NPI 1518064716 (312) 227-6412

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 60031 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

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

MS. CHRISTINA R BACH APN
Nurse Practitioner (Adult Health)
36100 N BROOKSIDE DR STE 106
GURNEE, IL 60031
Lake County (847) 618-1000

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 Nancy Brown's NPI number?

The NPI number for Nancy Brown is 1104052513. It was assigned to this individual provider in the NPPES registry on June 1, 2009. The provider is also known as Dr. Nancy Brown Brown M.D..

Where is Nancy Brown located?

Nancy Brown practices at 36100 N Brookside Dr Ste 106, Gurnee, IL 60031. The listed phone number is (847) 821-9500.

What is Nancy Brown's specialty?

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

Is Nancy Brown enrolled in Medicare?

Yes. Nancy Brown is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Nancy Brown's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nancy Brown reassigns Medicare benefits to Lurie Children's Medical Group Inc (Chicago, IL). The 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 Nancy Brown'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 Nancy Brown was last updated on July 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.