DR. CHARLES ANDRE MAYEUX DO
NPI 1295485951
Emergency Medicine in Eau Claire, WI
About Dr. Charles Andre Mayeux Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CHARLES ANDRE MAYEUX DO (NPI 1295485951) is an individual emergency medicine provider in Eau Claire, Wisconsin, licensed in Wisconsin (81879-21) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS, is affiliated with Mayo Clinic Health System Eau Claire Hospital, and maintains a secondary practice location in Baton Rouge.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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. Charles Andre Mayeux Do 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
4Medicare enrollment records show Charles Mayeux reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Eau Claire, WI 54701
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1154372944 (Wisconsin), NPI 1700837812 (Wisconsin), NPI 1912958026 (Wisconsin), NPI 1740239557 (Wisconsin)
- 1,248 clinicians in this Medicare group
Baton Rouge, LA 70806
- Reassigned Medicare billing, Louisiana enrollment
- 112 clinicians in this Medicare group
Breaux Bridge, LA 70517
- Reassigned Medicare billing, Louisiana enrollment
- 69 clinicians in this Medicare group
Kaplan, LA 70548
- Reassigned Medicare billing, Louisiana enrollment
- 64 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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mayo Clinic Health System Eau Claire Hospital
Acute Care Hospitals · Eau Claire, WIMayo Clinic Health System-Northland
Critical Access Hospitals · Barron, WIMayo Clinic Health System-Red Cedar Inc
Critical Access Hospitals · Menomonie, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54703 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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 Charles Mayeux's NPI number?
The NPI number for Charles Mayeux is 1295485951. It was assigned to this individual provider in the NPPES registry on March 25, 2022.
Where is Charles Mayeux located?
Charles Mayeux practices at 1400 Bellinger St, Eau Claire, WI 54703. The listed phone number is (715) 838-5222.
What is Charles Mayeux's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Charles Mayeux enrolled in Medicare?
Yes. Charles Mayeux 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 Charles Mayeux's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Charles Mayeux reassigns Medicare benefits to 4 organizations: Mayo Clinic Health System-Northwest Wisconsin Region, Inc. (Eau Claire, WI), Red Stick Emergency Group LLC (Baton Rouge, LA), St Martin Emergency Group LLC (Breaux Bridge, LA) and Vermilion Emergency Group LLC (Kaplan, LA). 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 Charles Mayeux's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Charles Mayeux accept?
Health plans from CHRISTUS Health Plan list Charles Mayeux 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 Charles Mayeux affiliated with any hospitals?
According to CMS data, Charles Mayeux is affiliated with Mayo Clinic Health System Eau Claire Hospital, Mayo Clinic Health System-Northland and Mayo Clinic Health System-Red Cedar Inc.
When was this NPI record last updated?
The NPPES record for Charles Mayeux was last updated on August 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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. Charles Andre Mayeux, DO · NPI 1295485951
Emergency Medicine physician in Eau Claire, Wisconsin. Individual provider, active in the CMS NPPES registry since March 25, 2022.
## Identity
- **NPI:** 1295485951 (Entity type: Individual)
- **Enumerated:** March 25, 2022
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 81879-21 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 1400 BELLINGER ST, Eau Claire, WI 54703-9943
- **Phone:** (715) 838-5222
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Mayo Clinic Health System-Northwest Wisconsin Region, Inc. (NPI 1235588831, Eau Claire, WI); Red Stick Emergency Group LLC (NPI 1275705998, Baton Rouge, LA); St Martin Emergency Group LLC (NPI 1710231774, Breaux Bridge, LA); Vermilion Emergency Group LLC (NPI 1215161096, Kaplan, LA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Des Moines University Of Osteopathic Medicine And Health Sciences, class of 2022
## Record status
- **NPPES last updated:** August 13, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1295485951) · Data from the CMS NPPES public registry.