ASPIRUS MARATHON CLINIC
NPI 1164500351
Clinic/Center in Marathon, WI

Active since November 02, 2006
670 COMMUNITY CIR, MARATHON, WI 54448(715) 443-6767 Get Directions Write a Review

NPPES record last updated: June 14, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 14, 2024, Nov 13, 2020 (2 updates tracked since 2020).

About Aspirus Marathon Clinic NPPES

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

ASPIRUS MARATHON CLINIC (NPI 1164500351) is a healthcare organization registered as a clinic/center in Marathon, Wisconsin and active in the NPI registry since November 2006. The organization lists Jerry M Yang, Svp & Chief Financial Officer, as its authorized official.

NPPES Registry Identity

NPI1164500351
Entity TypeOrganization
Primary Taxonomy261Q00000X
Legal Business NameASPIRUS MEDICAL GROUP, INC.
Location Address670 COMMUNITY CIRMarathon, WI 54448-9003
Mailing Address29980 Network PlChicago, IL 60673-1299 · (715) 847-2304 · Fax (715) 843-1188
Organization SubpartYesParent: Aspirus Clinics, Inc
Authorized OfficialJerry M YangSvp & Chief Financial Officer · (715) 847-2526
Enumeration DateNovember 2, 2006
Last NPPES UpdateJune 14, 20242 updates tracked since enumeration
NPPES CertifiedJune 14, 2024
✔ NPI 1164500351 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ 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).
670 COMMUNITY CIR, Marathon, WI 54448

Other Names 2

Doing Business AsAspirus Marathon Clinic
Former Legal Business NameAspirus Clinics, Inc.

Other Identifiers 1

Medicaid21272200WI

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 Marathon Clinic 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 Marathon Clinic, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 119 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
Nurse Practitioner
NPI 1871314492
670 COMMUNITY CIR
Marathon, WI 54448
(715) 443-6767
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1699321463
670 COMMUNITY CIR
Marathon, WI 54448
(715) 443-6767
✔ PECOSSame address
Nurse Practitioner
NPI 1912379785
630 S 36TH AVE
Wausau, WI 54401
(855) 607-8242
✔ PECOS✔ Accepts Medicare7.9 mi
Urology
NPI 1417998451
3300 WESTHILL DR
Wausau, WI 54401
(715) 847-2605
✔ PECOS✔ Accepts Medicare8.2 mi
Nephrology
NPI 1558824870
3300 WESTHILL DR
Wausau, WI 54401
(715) 847-2371
✔ PECOS✔ Accepts Medicare8.2 mi
Physical Therapist in Private Practice
NPI 1831481704
3200 WESTHILL DR SUITE 100
Wausau, WI 54401
(715) 847-2827
8.3 mi
Physical Medicine and Rehabilitation
NPI 1952366023
3200 WESTHILL DR STE 102
Wausau, WI 54401
(715) 847-2019
✔ PECOS✔ Accepts Medicare8.3 mi
Diagnostic Radiology
NPI 1194734095
3200 WESTHILL DR SUITE 210
Wausau, WI 54401
(715) 847-2020
✔ PECOS✔ Accepts Medicare8.3 mi
Podiatry
NPI 1134878838
3200 WESTHILL DR STE 2200
Wausau, WI 54401
(715) 675-2321
✔ PECOS✔ Accepts Medicare8.3 mi
Clinical Psychologist
NPI 1376544247
3200 WESTHILL DR STE 101
Wausau, WI 54401
(715) 847-2019
✔ PECOS✔ Accepts Medicare8.3 mi
Pain Management
NPI 1346829561
3200 WESTHILL DR
Wausau, WI 54401
(716) 847-2019
✔ PECOS8.3 mi
Psychiatry
NPI 1184676827
520 N 28TH AVE SUITE 200
Wausau, WI 54401
(715) 847-0094
✔ PECOS✔ Accepts Medicare8.6 mi
Occupational Therapist in Private Practice
NPI 1508350521
520 N 28TH AVE STE 100
Wausau, WI 54401
(715) 843-1058
8.6 mi
Registered Dietitian or Nutrition Professional
NPI 1124316963
333 PINE RIDGE BLVD
Wausau, WI 54401
(715) 847-0024
✔ Accepts Medicare8.7 mi
Obstetrics/Gynecology
NPI 1023052008
2720 PLAZA DR SUITE # 2100
Wausau, WI 54401
(715) 847-2475
✔ PECOS✔ Accepts Medicare8.7 mi
Internal Medicine
NPI 1114935400
2720 PLAZA DR SUITE 1400
Wausau, WI 54401
(715) 847-2004
✔ PECOS✔ Accepts Medicare8.7 mi
Pediatric Medicine
NPI 1376500439
2720 PLAZA DR STE 2200
Wausau, WI 54401
(715) 847-2311
✔ PECOS✔ Accepts Medicare8.7 mi
General Practice
NPI 1487686820
2720 PLAZA DR SUITE 1100
Wausau, WI 54401
(715) 847-2304
✔ PECOS✔ Accepts Medicare8.7 mi
Family Practice
NPI 1982629077
2720 PLAZA DR SUITE 1100
Wausau, WI 54401
(715) 847-2472
✔ PECOS✔ Accepts Medicare8.7 mi
Endocrinology
NPI 1083033443
333 PINE RIDGE BLVD
Wausau, WI 54401
(715) 847-2000
✔ PECOS✔ Accepts Medicare8.7 mi
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 1164500351. It was assigned to this organization in the NPPES registry on November 2, 2006. The provider is doing business as Aspirus Marathon Clinic. The provider was formerly known as Aspirus Clinics, Inc..

Where is Aspirus Medical Group, Inc. located?

Aspirus Medical Group, Inc. is located at 670 Community Cir, Marathon, WI 54448. The listed phone number is (715) 443-6767.

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, 2 practice at this address and 119 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Aspirus Medical Group, Inc. was last updated on June 14, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.