MACKENZIE ELIZABETH LARSEN DC
NPI 1649166760
Chiropractor in Oconomowoc, WI
About Mackenzie Elizabeth Larsen Dc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MACKENZIE ELIZABETH LARSEN DC (NPI 1649166760) is an individual chiropractor in Oconomowoc, Wisconsin, licensed in Wisconsin (6305-12) and active in the NPI registry since June 2025.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mackenzie Elizabeth Larsen Dc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mackenzie Larsen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Brown Deer, WI 53223
- Reassigned Medicare billing, Wisconsin enrollment
- 3 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.
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 Mackenzie Larsen's NPI number?
The NPI number for Mackenzie Larsen is 1649166760. It was assigned to this individual provider in the NPPES registry on June 16, 2025.
Where is Mackenzie Larsen located?
Mackenzie Larsen practices at 1250 Prairie Creek Blvd Unit 201, Oconomowoc, WI 53066. The listed phone number is (920) 284-0618.
What is Mackenzie Larsen's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is Mackenzie Larsen enrolled in Medicare?
Yes. Mackenzie Larsen is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mackenzie Larsen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mackenzie Larsen reassigns Medicare benefits to Art Of Wellness Chiropractic Sc (Brown Deer, WI). 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 Mackenzie Larsen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Mackenzie Larsen was last updated on June 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Mackenzie Elizabeth Larsen, DC · NPI 1649166760
Chiropractor provider in Oconomowoc, Wisconsin. Individual provider, active in the CMS NPPES registry since June 16, 2025.
## Identity
- **NPI:** 1649166760 (Entity type: Individual)
- **Enumerated:** June 16, 2025
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **State license:** 6305-12 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 1250 PRAIRIE CREEK BLVD UNIT 201, Oconomowoc, WI 53066-8687
- **Phone:** (920) 284-0618
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Bills Medicare through:** Art Of Wellness Chiropractic Sc (NPI 1336292499, Brown Deer, WI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 16, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1649166760) · Data from the CMS NPPES public registry.