AARON M CARPIAUX MD
NPI 1609169192
Orthopaedic Surgery in Madison, WI
About Aaron M Carpiaux Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AARON M CARPIAUX MD (NPI 1609169192) is an individual orthopaedic surgery provider in Madison, Wisconsin, licensed in Wisconsin (67088-20) and active in the NPI registry since May 2011. He is enrolled in Medicare PECOS, is affiliated with Ssm Health St Clare Hospital - Baraboo, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Aaron M Carpiaux 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 Reassignments
5Medicare enrollment records show Aaron Carpiaux reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Madison, WI 53713
- Reassigned Medicare billing, Wisconsin enrollment
- 20 clinicians in this Medicare group
Mount Horeb, WI 53572
- Reassigned Medicare billing, Wisconsin enrollment
- 166 clinicians in this Medicare group
Edgerton, WI 53534
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1154350049 (Wisconsin)
- 70 clinicians in this Medicare group
Columbus, WI 53925
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: Beaver Dam Community Hospitals Inc.
- 1,447 clinicians in this Medicare group
Watertown, WI 53094
- Reassigned Medicare billing, Wisconsin enrollment
- 215 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 10
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ssm Health St Clare Hospital - Baraboo
Acute Care Hospitals · Baraboo, WIMarshfield Medical Center - Beaver Dam (mmc-Bd)
Acute Care Hospitals · Beaver Dam, WIUnitypoint Health - Meriter
Acute Care Hospitals · Madison, WIUniversity Of Wi Hospitals & Clinics Authority
Acute Care Hospitals · Madison, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53713 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.
Reported Quality Measures
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.
MADISON, WI 53713
MADISON, WI 53713
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 Aaron Carpiaux's NPI number?
The NPI number for Aaron Carpiaux is 1609169192. It was assigned to this individual provider in the NPPES registry on May 17, 2011.
Where is Aaron Carpiaux located?
Aaron Carpiaux practices at 2501 W Beltline Hwy Ste 601, Madison, WI 53713. The listed phone number is (608) 234-7436.
What is Aaron Carpiaux's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Aaron Carpiaux enrolled in Medicare?
Yes. Aaron Carpiaux 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 Aaron Carpiaux's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Aaron Carpiaux reassigns Medicare benefits to 5 organizations: Orthopedic & Spine Centers Of Wisconsin, Sc. (Madison, WI), Upland Hills Health, Inc (Mount Horeb, WI), Edgerton Hospital And Health Services (Edgerton, WI), Beaver Dam Community Hosptials Inc (Columbus, WI) and Watertown Physician Practices LLC (Watertown, WI). 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 Aaron Carpiaux's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Aaron Carpiaux accept?
Health plans from Anthem Blue Cross and Blue Shield, CareSource (Common Ground Healthcare), Dean Health Plan, Group Health Cooperative-SCW and HealthPartners and 6 other insurers list Aaron Carpiaux 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 Aaron Carpiaux affiliated with any hospitals?
According to CMS data, Aaron Carpiaux is affiliated with Ssm Health St Clare Hospital - Baraboo, Marshfield Medical Center - Beaver Dam (mmc-Bd), Unitypoint Health - Meriter and University Of Wi Hospitals & Clinics Authority.
When was this NPI record last updated?
The NPPES record for Aaron Carpiaux was last updated on October 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Aaron M Carpiaux, MD · NPI 1609169192
Orthopaedic Surgery physician in Madison, Wisconsin. Individual provider, active in the CMS NPPES registry since May 17, 2011.
## Identity
- **NPI:** 1609169192 (Entity type: Individual)
- **Enumerated:** May 17, 2011
- **Primary specialty:** Orthopaedic Surgery · taxonomy 207X00000X
- **State license:** 67088-20 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 2501 W BELTLINE HWY STE 601, Madison, WI 53713-2309
- **Phone:** (608) 234-7436
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Orthopedic & Spine Centers Of Wisconsin, Sc. (NPI 1083323059, Madison, WI); Upland Hills Health, Inc (NPI 1245628452, Mount Horeb, WI); Edgerton Hospital And Health Services (NPI 1538845805, Edgerton, WI); Beaver Dam Community Hosptials Inc (NPI 1275833659, Columbus, WI); Watertown Physician Practices LLC (NPI 1770964363, Watertown, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Medical College Of Wisconsin, class of 2011
## Record status
- **NPPES last updated:** October 7, 2025
- **Other identifiers:** Medicaid 1609169192 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1609169192) · Data from the CMS NPPES public registry.