MS. ARIELLE BOUDREAUX AA
NPI 1184398893
Anesthesiologist Assistant in Saint Louis, MO
About Ms. Arielle Boudreaux Aa NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. ARIELLE BOUDREAUX AA (NPI 1184398893) is an individual anesthesiologist assistant in Saint Louis, Missouri, licensed in Florida (AA963) and active in the NPI registry since August 2021. She is affiliated with Christus St Vincent Regional Medical Center and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses
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
Ms. Arielle Boudreaux Aa 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 Reassignments
3Medicare enrollment records show Arielle Boudreaux reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 309 clinicians in this Medicare group
Pensacola, FL 32502
- Reassigned Medicare billing, Florida enrollment
- 768 clinicians in this Medicare group
Taos, NM 87571
- Reassigned Medicare billing, New Mexico enrollment
- 399 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Christus St Vincent Regional Medical Center
Acute Care Hospitals · Santa Fe, NMOther 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
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 Arielle Boudreaux's NPI number?
The NPI number for Arielle Boudreaux is 1184398893. It was assigned to this individual provider in the NPPES registry on August 5, 2021.
Where is Arielle Boudreaux located?
Arielle Boudreaux practices at 615 S New Ballas Rd, Saint Louis, MO 63141. The listed phone number is (636) 386-9224.
What is Arielle Boudreaux's specialty?
The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.
Is Arielle Boudreaux enrolled in Medicare?
Yes. Arielle Boudreaux 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 organizations bill Medicare for Arielle Boudreaux's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Arielle Boudreaux reassigns Medicare benefits to 3 organizations: Western Anesthesiology Associates, Inc. (Saint Louis, MO), Ams National LLC (Pensacola, FL) and St. Vincent Hospital (Taos, NM). Each 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 Arielle Boudreaux's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Arielle Boudreaux accept?
Health plans from Oscar Health Maintenance Organization of Florida and Oscar Insurance Company list Arielle Boudreaux 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 Arielle Boudreaux affiliated with any hospitals?
According to CMS data, Arielle Boudreaux is affiliated with Christus St Vincent Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Arielle Boudreaux was last updated on December 18, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.
# Ms. Arielle Boudreaux, AA · NPI 1184398893
Anesthesiologist Assistant physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since August 5, 2021.
## Identity
- **NPI:** 1184398893 (Entity type: Individual)
- **Enumerated:** August 5, 2021
- **Primary specialty:** Anesthesiologist Assistant · taxonomy 367H00000X
- **State license:** AA963 (Florida)
- **Sole proprietor:** No
## Practice location
- **Address:** 615 S NEW BALLAS RD, Saint Louis, MO 63141-8221
- **Phone:** (636) 386-9224 · **Fax:** (636) 386-7679
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Western Anesthesiology Associates, Inc. (NPI 1275646754, Saint Louis, MO); Ams National LLC (NPI 1316330830, Pensacola, FL); St. Vincent Hospital (NPI 1265790216, Taos, NM) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** December 18, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1184398893) · Data from the CMS NPPES public registry.