DR. MAGALIE CADIEUX MD
NPI 1669107587
Neurological Surgery in Saint Louis, MO
About Dr. Magalie Cadieux Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MAGALIE CADIEUX MD (NPI 1669107587) is an individual neurological surgery provider in Saint Louis, Missouri, licensed in Missouri (2022014319) and active in the NPI registry since July 2022. She is enrolled in Medicare PECOS, is affiliated with Memorial Hospital, and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Magalie Cadieux Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Magalie Cadieux reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Saint Louis, MO 63110
- Reassigned Medicare billing, Missouri enrollment
- 50 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Memorial Hospital
Acute Care Hospitals · Belleville, ILBarnes Jewish Hospital
Acute Care Hospitals · Saint Louis, MOMercy Hospital South
Acute Care Hospitals · Saint Louis, MOMissouri Baptist Medical Center
Acute Care Hospitals · Town And Country, MOBarnes-Jewish West County Hospital
Acute Care Hospitals · Creve Coeur, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63141 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
SAINT LOUIS, MO 63141
SAINT LOUIS, MO 63141
CREVE COEUR, MO 63141
SAINT LOUIS, MO 63141
SAINT LOUIS, MO 63141
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 Magalie Cadieux's NPI number?
The NPI number for Magalie Cadieux is 1669107587. It was assigned to this individual provider in the NPPES registry on July 24, 2022.
Where is Magalie Cadieux located?
Magalie Cadieux practices at 12634 Olive Blvd Dept Neurological Surgery, Saint Louis, MO 63141. The listed phone number is (314) 362-3577.
What is Magalie Cadieux's specialty?
The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.
Is Magalie Cadieux enrolled in Medicare?
Yes. Magalie Cadieux is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Magalie Cadieux's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Magalie Cadieux reassigns Medicare benefits to Washington University (Saint Louis, MO). 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 Magalie Cadieux's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Magalie Cadieux accept?
Health plans from Cox HealthPlans and UnitedHealthcare list Magalie Cadieux 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.
Is Magalie Cadieux affiliated with any hospitals?
According to CMS data, Magalie Cadieux is affiliated with Memorial Hospital, Barnes Jewish Hospital, Mercy Hospital South, Missouri Baptist Medical Center and Barnes-Jewish West County Hospital.
When was this NPI record last updated?
The NPPES record for Magalie Cadieux was last updated on April 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Dr. Magalie Cadieux, MD · NPI 1669107587
Neurological Surgery physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since July 24, 2022.
## Identity
- **NPI:** 1669107587 (Entity type: Individual)
- **Enumerated:** July 24, 2022
- **Primary specialty:** Neurological Surgery · taxonomy 207T00000X
- **State license:** 2022014319 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 12634 OLIVE BLVD, DEPT NEUROLOGICAL SURGERY, Saint Louis, MO 63141-6337
- **Phone:** (314) 362-3577 · **Fax:** (314) 884-6004
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Washington University (NPI 1538100565, Saint Louis, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** April 15, 2025
- **Other identifiers:** Medicaid 200112862 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1669107587) · Data from the CMS NPPES public registry.