CHRISTOPHER M MUELLER NP
NPI 1225554108
Nurse Practitioner in Colby, WI
About Christopher M Mueller Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHRISTOPHER M MUELLER NP (NPI 1225554108) is an individual nurse practitioner in Colby, Wisconsin, licensed in Wisconsin (8027) and active in the NPI registry since August 2017. He is enrolled in Medicare PECOS, is affiliated with Marshfield Medical Center, and maintains a secondary practice location in Marshfield.
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
Christopher M Mueller Np 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 Christopher Mueller reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Marshfield, WI 54449
- Reassigned Medicare billing, Wisconsin enrollment
- 2,540 clinicians in this Medicare group
Marshfield, WI 54449
- Reassigned Medicare billing, Wisconsin enrollment
- 2,476 clinicians in this Medicare group
Neillsville, WI 54456
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1346239373 (Wisconsin)
- 1,283 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Marshfield Medical Center
Acute Care Hospitals · Marshfield, WIMarshfield Medical Center - Neillsville
Critical Access Hospitals · Neillsville, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54421 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.
Referred Medical Equipment & Supplies CMS DME claims 4
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 7
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 Christopher Mueller's NPI number?
The NPI number for Christopher Mueller is 1225554108. It was assigned to this individual provider in the NPPES registry on August 22, 2017.
Where is Christopher Mueller located?
Christopher Mueller practices at 111 Dehne Dr, Colby, WI 54421. The listed phone number is (715) 223-2331.
What is Christopher Mueller's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Christopher Mueller enrolled in Medicare?
Yes. Christopher Mueller 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 Christopher Mueller's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Mueller reassigns Medicare benefits to 3 organizations: Marshfield Clinic Inc (Marshfield, WI), Mchs Hospitals Inc (Marshfield, WI) and Memorial Hospital, Inc (Neillsville, 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 Christopher Mueller's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Christopher Mueller accept?
Health plans from Anthem Blue Cross and Blue Shield, HealthPartners, Sanford Health Plan and Security Health Plan list Christopher Mueller 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 Christopher Mueller affiliated with any hospitals?
According to CMS data, Christopher Mueller is affiliated with Marshfield Medical Center and Marshfield Medical Center - Neillsville.
When was this NPI record last updated?
The NPPES record for Christopher Mueller was last updated on April 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Christopher M Mueller, NP · NPI 1225554108
Nurse Practitioner physician in Colby, Wisconsin. Individual provider, active in the CMS NPPES registry since August 22, 2017.
## Identity
- **NPI:** 1225554108 (Entity type: Individual)
- **Enumerated:** August 22, 2017
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 8027 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 111 DEHNE DR, Colby, WI 54421-9581
- **Phone:** (715) 223-2331
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Marshfield Clinic Inc (NPI 1952347981, Marshfield, WI); Mchs Hospitals Inc (NPI 1093221434, Marshfield, WI); Memorial Hospital, Inc (NPI 1679746747, Neillsville, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** April 27, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1225554108) · Data from the CMS NPPES public registry.