ASPIRUS MEDICAL GROUP, INC.
NPI 1053548693
Clinic/Center in Wausau, WI

Active since June 22, 2009
425 PINE RIDGE BLVD, SUITE 220A, WAUSAU, WI 54401(715) 847-2070 Get Directions Write a Review

NPPES record last updated: February 26, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 14, 2024, May 6, 2023, Nov 12, 2020 (3 updates tracked since 2020).

About Aspirus Medical Group, Inc. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ASPIRUS MEDICAL GROUP, INC. (NPI 1053548693), doing business as Aspirus Endocrinology Clinic, is a healthcare organization registered as a clinic/center in Wausau, Wisconsin and active in the NPI registry since June 2009. The organization lists Lori Peck, Svp- Chief Financial Officer, as its authorized official.

NPPES Registry Identity

NPI1053548693
Entity TypeOrganization
Primary Taxonomy261Q00000X
Legal Business NameASPIRUS MEDICAL GROUP, INC.
Location Address425 PINE RIDGE BLVD, SUITE 220AWausau, WI 54401-4123
Mailing Address29980 Network PlChicago, IL 60673-1299 · (715) 847-2304 · Fax (715) 843-1188
Organization SubpartYes
Authorized OfficialLori PeckSvp- Chief Financial Officer · (715) 847-2575
Enumeration DateJune 22, 2009
Last NPPES UpdateFebruary 26, 20263 updates tracked since enumeration
NPPES CertifiedFebruary 26, 2026
✔ NPI 1053548693 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyClinic/CenterAmbulatory Health Care Facilities
Taxonomy Code261Q00000X
Definition
A facility or distinct part of one used for the diagnosis and treatment of outpatients. Clinic/Center is irregularly defined, sometimes being limited to organizations serving specialized treatment requirements or distinct patient/client groups (e.g., radiology, poor, and public health).
Also ListedInternal MedicineTaxonomy 207R00000X
425 PINE RIDGE BLVD, Wausau, WI 54401

Other Names 2

Doing Business AsAspirus Endocrinology Clinic
Former Legal Business NameAspirus Clinics Inc

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

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

410

Medicare enrollment records show 410 clinicians reassign Medicare billing to Aspirus Medical Group, Inc., which bills Medicare for the services they deliver. Of these, 20 practice at this address and 148 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 38

Nurse Practitioner108
Family Practice56
Obstetrics/Gynecology39
Neurology34
Cardiovascular Disease (Cardiology)15
Pediatric Medicine15
Internal Medicine14
Physical Therapist in Private Practice14
30 other specialties115

Nearest to this location (20)

See all 410
Neurology
NPI 1053302422
425 PINE RIDGE BLVD STE 300
Wausau, WI 54401
(715) 847-2019
✔ PECOS✔ Accepts MedicareSame address
Neurology
NPI 1124127139
425 PINE RIDGE BLVD STE 300
Wausau, WI 54401
(715) 847-2019
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1275139685
333 PINE RIDGE BLVD
Wausau, WI 54401
(715) 847-2121
✔ PECOS✔ Accepts MedicareSame address
Endocrinology
NPI 1083033443
333 PINE RIDGE BLVD
Wausau, WI 54401
(715) 847-2000
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1841841244
333 PINE RIDGE BLVD
Wausau, WI 54401
(715) 847-2121
✔ PECOS✔ Accepts MedicareSame address
Family Practice
NPI 1558999433
333 PINE RIDGE BLVD
Wausau, WI 54401
(715) 847-2121
✔ PECOS✔ Accepts MedicareSame address
Thoracic Surgery
NPI 1184656225
425 PINE RIDGE BLVD SUITE 209
Wausau, WI 54401
(715) 847-0400
✔ PECOS✔ Accepts MedicareSame address
Neurosurgery
NPI 1871688135
425 PINE RIDGE BLVD SUITE 300
Wausau, WI 54401
(715) 847-2019
✔ PECOS✔ Accepts MedicareSame address
Cardiac Surgery
NPI 1427349075
425 PINE RIDGE BLVD STE 209
Wausau, WI 54401
(715) 847-0400
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1376087775
425 PINE RIDGE BLVD STE 200
Wausau, WI 54401
(715) 847-2480
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1750770640
425 PINE RIDGE BLVD SUITE 300
Wausau, WI 54401
(715) 847-2019
✔ PECOS✔ Accepts MedicareSame address
Psychiatry
NPI 1962991174
425 PINE RIDGE BLVD
Wausau, WI 54401
(715) 843-1310
✔ PECOS✔ Accepts MedicareSame address
Thoracic Surgery
NPI 1992737035
425 PINE RIDGE BLVD SUITE 209
Wausau, WI 54401
(715) 847-0400
✔ PECOS✔ Accepts MedicareSame address
Neurosurgery
NPI 1528350436
425 PINE RIDGE BLVD STE 300
Wausau, WI 54401
(715) 847-2000
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1053782185
425 PINE RIDGE BLVD STE 220A
Wausau, WI 54401
(715) 847-2070
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1982071270
425 PINE RIDGE BLVD SUITE220A
Wausau, WI 54401
(715) 847-2070
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1598035768
425 PINE RIDGE BLVD #220A
Wausau, WI 54401
(715) 847-2040
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1417565714
425 PINE RIDGE BLVD STE 300
Wausau, WI 54401
(715) 297-0475
✔ PECOS✔ Accepts MedicareSame address
General Surgery
NPI 1790136158
425 PINE RIDGE BLVD STE 209
Wausau, WI 54401
(715) 847-0400
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1134607781
333 PINE RIDGE BLVD
Wausau, WI 54401
(715) 847-2021
✔ PECOS✔ Accepts MedicareSame address
See all 410 clinicians

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 1053548693. It was assigned to this organization in the NPPES registry on June 22, 2009. The provider is doing business as Aspirus Endocrinology Clinic. The provider was formerly known as Aspirus Clinics Inc.

Where is Aspirus Medical Group, Inc. located?

Aspirus Medical Group, Inc. is located at 425 Pine Ridge Blvd Suite 220A, Wausau, WI 54401. The listed phone number is (715) 847-2070.

What is Aspirus Medical Group, Inc.'s specialty?

The primary specialty registered for this NPI is Clinic/Center with taxonomy code 261Q00000X.

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, 20 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 February 26, 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.