Natalie Mahieu, MD
NPI 1184815011 · Diagnostic Radiology Physician · Oak Lawn, IL
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Natalie Mahieu, MD is a Diagnostic Radiology Physician provider in Oak Lawn, IL (NPI 1184815011).
Provider details
- NPI number
- 1184815011
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 339666 (LA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (2)
- 4650 W Sunset Blvd#81Los Angeles, CA 90027-6062Phone: (323) 361-5686Fax: (323) 361-3018
- 1514 Jefferson HwyNew Orleans, LA 70121-2429Phone: (504) 842-3470Fax: (504) 842-7372
Registry dates
- Enumerated
- 2007-08-06
- Last updated
- 2025-04-09
- Certified
- 2025-04-09
Frequently asked questions
- What is Natalie Mahieu's NPI number?
- Natalie Mahieu's National Provider Identifier (NPI) is 1184815011, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Natalie Mahieu's specialty?
- Natalie Mahieu is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Natalie Mahieu located?
- Natalie Mahieu's practice location on file with NPPES is 4440 W 95th St Dept of, Oak Lawn, IL 60453-2600.
- What is Natalie Mahieu's phone number?
- The practice phone number listed in the NPPES registry for Natalie Mahieu is (708) 684-5503.
- Does Natalie Mahieu accept Medicare?
- Natalie Mahieu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Natalie Mahieu's NPI active?
- Yes — Natalie Mahieu's NPI (1184815011) is active in the NPPES registry as of the last update on 2025-04-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.