NATALIE MAHIEU MD
NPI 1184815011
Radiology - Diagnostic Radiology in Oak Lawn, IL

Q: What is Natalie Mahieu's NPI number?

The NPI number for Natalie Mahieu is 1184815011. It was assigned to this individual provider in the NPPES registry on August 6, 2007.

Q: What is Natalie Mahieu's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Q: When was this NPI record last updated?

The NPPES record for Natalie Mahieu was last updated on April 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.

Active since August 06, 2007PECOS Enrolled

4440 W 95TH ST DEPT OF, OAK LAWN, IL 60453(708) 684-5503(708) 684-2675 Get Directions Write a Review

NPPES record last updated: April 9, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Apr 9, 2025, Feb 6, 2024, Jun 6, 2022 (3 updates tracked since 2022).

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About Natalie Mahieu Md NPPES

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

NATALIE MAHIEU MD (NPI 1184815011) is an individual diagnostic radiology provider in Oak Lawn, Illinois, licensed in Louisiana (339666) and active in the NPI registry since August 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1184815011

Entity TypeIndividualFemale

Primary Taxonomy2085R0202X

Provider Legal NameNATALIE MAHIEUCredential: MD

Location Address4440 W 95TH ST DEPT OFOak Lawn, IL 60453-2600

Mailing Address29373 Network PlChicago, IL 60673-1293 · (847) 390-5900

Phone(708) 684-5503

Fax(708) 684-2675

Sole ProprietorNo

Enumeration DateAugust 6, 2007

Last NPPES UpdateApril 9, 20253 updates tracked since enumeration

NPPES CertifiedApril 9, 2025

✔ NPI 1184815011 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

Licenses✔ Licensed in LA · 339666✔ Licensed in CA · A112667

Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

Also ListedRadiology · Pediatric RadiologyTaxonomy 2085P0229X · License 339666 (LA), 036-152580 (IL)

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License 201048 (LA)

4440 W 95TH ST DEPT OF, Oak Lawn, IL 60453

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Other Identifiers 1

Medicaid1091065LA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter Health, Ambetter Health of Delaware and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Natalie Mahieu 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 60453 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

$74.80 typical visit price

range $18.97 – $148.12

Typical copayment $18.70 (range $4.74 – $37.03)

Most-billed visit code 99213

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 2

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

MUHAMMAD B RAFIQUE MD

Anesthesiology

4440 W 95TH ST DEPT OF
OAK LAWN, IL 60453

Cook County (708) 684-8000

PAUL MONTGOMERY MD

Radiology (Pediatric Radiology)

4440 W 95TH ST DEPT OF
OAK LAWN, IL 60453

Cook County (708) 684-5503

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 Natalie Mahieu's NPI number?

The NPI number for Natalie Mahieu is 1184815011. It was assigned to this individual provider in the NPPES registry on August 6, 2007.

Where is Natalie Mahieu located?

Natalie Mahieu practices at 4440 W 95th St Dept Of, Oak Lawn, IL 60453. The listed phone number is (708) 684-5503.

What is Natalie Mahieu's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Natalie Mahieu enrolled in Medicare?

Yes. Natalie Mahieu is registered in the Medicare PECOS enrollment system.

What insurance does Natalie Mahieu accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Home State Health and HMO Louisiana list Natalie Mahieu as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Natalie Mahieu was last updated on April 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.