ASPIRUS MEDICAL GROUP, INC.
NPI 1922186097
Internal Medicine - Nephrology in Wausau, WI
About Aspirus Medical Group, Inc. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ASPIRUS MEDICAL GROUP, INC. (NPI 1922186097), doing business as Aspirus Nephrology Clinic, is a healthcare organization registered as a nephrology in Wausau, Wisconsin and active in the NPI registry since November 2006. The organization lists Lori Paige Peck, Svp- Chief Financial Officer, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 3
Other Names 2
Group Practice 1
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 Medical Group, Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
410Medicare enrollment records show 410 clinicians reassign Medicare billing to Aspirus Medical Group, Inc., which bills Medicare for the services they deliver. Of these, 8 practice at this address and 148 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 38
Nearest to this location (20)
See all 410Wausau, WI 54401
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 Aspirus Medical Group, Inc.'s NPI number?
The NPI number for Aspirus Medical Group, Inc. is 1922186097. It was assigned to this organization in the NPPES registry on November 2, 2006. The provider is doing business as Aspirus Nephrology Clinic. The provider was formerly known as Aspirus Clinics, Inc.
Where is Aspirus Medical Group, Inc. located?
Aspirus Medical Group, Inc. is located at 3200 Westhill Dr Ste 2500, Wausau, WI 54401. The listed phone number is (715) 847-0032.
What is Aspirus Medical Group, Inc.'s specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Aspirus Medical Group, Inc. enrolled in Medicare?
Yes. Aspirus Medical Group, Inc. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Aspirus Medical Group, Inc.?
According to the CMS Revalidation Reassignment List (October 2026 release), 410 clinicians in 38 Medicare specialties reassign their Medicare billing to Aspirus Medical Group, 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 (108), Family Practice (56) and Obstetrics/Gynecology (39). Of these, 8 practice at this address and 148 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Aspirus Medical Group, Inc. accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan and Security Health Plan list Aspirus Medical Group, 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 Medical Group, Inc. was last updated on September 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 36 days 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 Medical Group, Inc. · NPI 1922186097
Nephrology organization in Wausau, Wisconsin. Organization record, active in the CMS NPPES registry since November 2, 2006.
## Identity
- **NPI:** 1922186097 (Entity type: Organization)
- **Enumerated:** November 2, 2006
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **Also known as:** Aspirus Nephrology Clinic (Doing Business As); Aspirus Clinics, Inc (Former Legal Business Name)
- **Organization subpart:** Yes (part of Aspirus Medical Group, Inc.)
- **Authorized official:** Lori Peck, SVP- CHIEF FINANCIAL OFFICER
## Practice location
- **Address:** 3200 WESTHILL DR STE 2500, Wausau, WI 54401-4705
- **Phone:** (715) 847-0032
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 410 clinicians in 38 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (108), Family Practice (56), Obstetrics/Gynecology (39); 8 practice at this address and 148 within 10 miles; [full list](https://npiprofile.com/npi/1922186097/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 24, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1922186097) · Data from the CMS NPPES public registry.