ASPIRUS WAUSAU HOSPITAL, INC.
NPI 1285888602
Clinic/Center in Merrill, WI
About Aspirus Wausau Hospital, Inc. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ASPIRUS WAUSAU HOSPITAL, INC. (NPI 1285888602), doing business as Aspirus Merrill Clinic, is a healthcare organization registered as a clinic/center in Merrill, Wisconsin and active in the NPI registry since November 2008. The organization holds a CLIA Waiver certificate valid through April 12, 2028 and lists Lori Peck, Svp- Chief Financial Officer, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Aspirus Wausau Hospital, Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
628Medicare enrollment records show 628 clinicians reassign Medicare billing to Aspirus Wausau Hospital, Inc., which bills Medicare for the services they deliver. Of these, 3 practice at this address and 9 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 48
Nearest to this location (20)
See all 628Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 52D0395508
Aspirus Wausau Hospital-Merrill Clinic · Merrill, WIFrequently 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 Aspirus Wausau Hospital, Inc.'s NPI number?
The NPI number for Aspirus Wausau Hospital, Inc. is 1285888602. It was assigned to this organization in the NPPES registry on November 12, 2008. The provider is doing business as Aspirus Merrill Clinic and Merrill Clinic.
Where is Aspirus Wausau Hospital, Inc. located?
Aspirus Wausau Hospital, Inc. is located at 3333 E Main St, Merrill, WI 54452. The listed phone number is (715) 539-5600.
What is Aspirus Wausau Hospital, Inc.'s specialty?
The primary specialty registered for this NPI is Clinic/Center with taxonomy code 261Q00000X.
Is Aspirus Wausau Hospital, Inc. enrolled in Medicare?
Yes. Aspirus Wausau Hospital, Inc. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Aspirus Wausau Hospital, Inc.?
According to the CMS Revalidation Reassignment List (October 2026 release), 628 clinicians in 48 Medicare specialties reassign their Medicare billing to Aspirus Wausau Hospital, Inc.. A 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 the clinician's services. The largest specialties are Nurse Practitioner (152), Family Practice (79) and Internal Medicine (63). Of these, 3 practice at this address and 9 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Aspirus Wausau Hospital, Inc. hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 52D0395508) is associated with this NPI, valid through April 12, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
What insurance does Aspirus Wausau Hospital, Inc. accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan and Security Health Plan list Aspirus Wausau Hospital, Inc. 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.
When was this NPI record last updated?
The NPPES record for Aspirus Wausau Hospital, Inc. was last updated on March 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Aspirus Wausau Hospital, Inc. · NPI 1285888602
Clinic/Center organization in Merrill, Wisconsin. Organization record, active in the CMS NPPES registry since November 12, 2008.
## Identity
- **NPI:** 1285888602 (Entity type: Organization)
- **Enumerated:** November 12, 2008
- **Primary specialty:** Clinic/Center · taxonomy 261Q00000X
- **Also known as:** Aspirus Merrill Clinic (Doing Business As); Merrill Clinic (Doing Business As)
- **Organization subpart:** Yes (part of Aspirus Wausau Hospital, Inc.)
- **Authorized official:** Lori Peck, SVP- CHIEF FINANCIAL OFFICER
## Practice location
- **Address:** 3333 E MAIN ST, Merrill, WI 54452-8959
- **Phone:** (715) 539-5600
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 628 clinicians in 48 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (152), Family Practice (79), Internal Medicine (63); 3 practice at this address and 9 within 10 miles; [full list](https://npiprofile.com/npi/1285888602/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 3, 2026
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1285888602) · Data from the CMS NPPES public registry.