DR. CHETT MICHAEL GRUNWALD D.C.
NPI 1235021460
Chiropractor in Wausau, WI
About Dr. Chett Michael Grunwald D.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CHETT MICHAEL GRUNWALD D.C. (NPI 1235021460) is an individual chiropractor in Wausau, Wisconsin, licensed in Wisconsin (6322-12) and active in the NPI registry since July 2025. He is a graduate of Palmer College Chiropractic - Davenport (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)
Dr. Chett Michael Grunwald D.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Chett Grunwald reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Wausau, WI 54401
- Reassigned Medicare billing, Wisconsin enrollment
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Other Providers at the Same Location NPPES 2
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 Chett Grunwald's NPI number?
The NPI number for Chett Grunwald is 1235021460. It was assigned to this individual provider in the NPPES registry on July 21, 2025.
Where is Chett Grunwald located?
Chett Grunwald practices at 311 Financial Way Ste 220, Wausau, WI 54401. The listed phone number is (715) 907-8408.
What is Chett Grunwald's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is Chett Grunwald enrolled in Medicare?
Yes. Chett Grunwald is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Chett Grunwald's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Chett Grunwald reassigns Medicare benefits to Wellness Way Wausau LLC (Wausau, 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 Chett Grunwald'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 Chett Grunwald was last updated on December 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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. Chett Michael Grunwald, D.C. · NPI 1235021460
Chiropractor provider in Wausau, Wisconsin. Individual provider, active in the CMS NPPES registry since July 21, 2025.
## Identity
- **NPI:** 1235021460 (Entity type: Individual)
- **Enumerated:** July 21, 2025
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **State license:** 6322-12 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 311 FINANCIAL WAY STE 220, Wausau, WI 54401-4288
- **Phone:** (715) 907-8408
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Bills Medicare through:** Wellness Way Wausau LLC (NPI 1588511356, Wausau, WI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Palmer College Chiropractic - Davenport, class of 2025
## Record status
- **NPPES last updated:** December 16, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1235021460) · Data from the CMS NPPES public registry.