MAYO CLINIC HEALTH SYSTEM-NORTHWEST WISCONSIN REGION, INC.
NPI 1083140990
Clinic/Center - Multi-Specialty in Osseo, WI

Active since May 11, 2017CLIA 52D0396870 · Accreditation

NPPES record last updated: August 11, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 11, 2026, Mar 10, 2026, Aug 15, 2025 and 1 more (4 updates tracked since 2017).

About Mayo Clinic Health System-northwest Wisconsin Region, Inc. NPPES

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

MAYO CLINIC HEALTH SYSTEM-NORTHWEST WISCONSIN REGION, INC. (NPI 1083140990), doing business as Mayo Clinic Health System-oakridge, is a healthcare organization registered as a multi-specialty in Osseo, Wisconsin and active in the NPI registry since May 2017. The organization holds an CLIA Accreditation certificate valid through April 26, 2028 and lists Adam Smith, Cfo, as its authorized official.

NPPES Registry Identity

NPI1083140990
Entity TypeOrganization
Primary Taxonomy261QM1300X
Legal Business NameMAYO CLINIC HEALTH SYSTEM-NORTHWEST WISCONSIN REGION, INC.
Location Address13025 8TH STOsseo, WI 54758-7634
Mailing Address13025 8th StOsseo, WI 54758-7634 · (715) 597-3121
Organization SubpartNo
Authorized OfficialAdam SmithCfo · (715) 838-5275
Enumeration DateMay 11, 2017
Last NPPES UpdateAugust 11, 20264 updates tracked since enumeration
NPPES CertifiedAugust 11, 2026
✔ NPI 1083140990 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Multi-SpecialtyAmbulatory Health Care Facilities
Taxonomy Code261QM1300X
13025 8TH ST, Osseo, WI 54758

Other Names 2

Doing Business AsMayo Clinic Health System-oakridge
Doing Business AsMayo Clinic Health System-osseo

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)

Mayo Clinic Health System-northwest Wisconsin Region, Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

1,452

Medicare enrollment records show 1,452 clinicians reassign Medicare billing to Mayo Clinic Health System-Northwest Wisconsin Region, Inc., which bills Medicare for the services they deliver. Of these, 20 practice at this address. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 64

Diagnostic Radiology196
Nurse Practitioner174
Certified Registered Nurse Anesthetist (CRNA)118
Family Practice80
Physical Therapist in Private Practice68
Emergency Medicine61
Hospitalist60
Cardiovascular Disease (Cardiology)57
56 other specialties638

Nearest to this location (20)

See all 1,452
Physical Therapist in Private Practice
NPI 1790518959
13025 8TH ST
Osseo, WI 54758
(715) 597-3121
Same address
Registered Dietitian or Nutrition Professional
NPI 1750173282
13025 8TH ST
Osseo, WI 54758
(715) 838-5222
✔ Accepts MedicareSame address
Physical Therapist in Private Practice
NPI 1609791656
13025 EAST 8TH STREET
Osseo, WI 54758
(715) 838-5222
Same address
Registered Dietitian or Nutrition Professional
NPI 1447434519
13025 8TH ST
Osseo, WI 54758
(715) 838-5222
Same address
Physical Therapist in Private Practice
NPI 1780195362
13025 8TH ST
Osseo, WI 54758
(715) 838-5222
Same address
Occupational Therapist in Private Practice
NPI 1508082256
13025 8TH ST
Osseo, WI 54758
(715) 597-3121
Same address
Pulmonary Disease
NPI 1417929993
13025 8TH ST
Osseo, WI 54758
(715) 597-2575
✔ PECOSSame address
Family Practice
NPI 1043951536
13025 8TH ST
Osseo, WI 54758
(715) 838-5222
✔ PECOS✔ Accepts MedicareSame address
Hospitalist
NPI 1083069983
13025 8TH STREET
Osseo, WI 54758
(715) 838-5222
✔ PECOS✔ Accepts MedicareSame address
Hospitalist
NPI 1679968903
13025 8TH ST
Osseo, WI 54758
(715) 597-2575
✔ PECOS✔ Accepts MedicareSame address
Physical Therapist in Private Practice
NPI 1265443642
13025 8TH STREET
Osseo, WI 54758
(715) 597-2575
Same address
Physical Therapist in Private Practice
NPI 1528623253
13025 8TH STREET
Osseo, WI 54758
(715) 838-5222
Same address
Qualified Speech Language Pathologist
NPI 1437907722
13025 8TH STREET
Osseo, WI 54758
(715) 838-5222
Same address
Physical Therapist in Private Practice
NPI 1982266268
13025 8TH ST
Osseo, WI 54758
(715) 597-8705
Same address
Nurse Practitioner
NPI 1962293225
13025 8TH ST
Osseo, WI 54758
(715) 838-5222
✔ PECOS✔ Accepts MedicareSame address
Clinical Psychologist
NPI 1609937259
13025 8TH STREET
Osseo, WI 54758
(715) 838-5222
✔ PECOS✔ Accepts MedicareSame address
Occupational Therapist in Private Practice
NPI 1861339087
13025 8TH ST
Osseo, WI 54758
(715) 838-5222
Same address
Family Practice
NPI 1083174106
13025 8TH ST
Osseo, WI 54758
(718) 838-5222
✔ PECOS✔ Accepts MedicareSame address
Family Practice
NPI 1336404243
13025 8TH ST
Osseo, WI 54758
(715) 838-5222
✔ PECOS✔ Accepts MedicareSame address
Family Practice
NPI 1023424561
13025 8TH ST
Osseo, WI 54758
(715) 838-5222
✔ PECOS✔ Accepts MedicareSame address
See all 1,452 clinicians

Source: 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 Accreditation 52D0396870

Mayo Clinic Health System Osseo · Osseo, WI
Active · expires Apr 26, 2028
CLIA Number52D0396870
Laboratory TypeHospital
Certificate Effective DateApril 27, 2026
Certificate Expiration DateApril 26, 2028
Laboratory DirectorDr. Scott A. Martin
Laboratory Phone(715) 597-3121
Laboratory LocationMayo Clinic Health System Osseo13025 8th St, Osseo, WI 54758
CLIA data matches this NPI record on: Address Name Phone
This is a certificate that is issued to a laboratory on the basis of the laboratory's accreditation by an accreditation organization approved by CMS.

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 Mayo Clinic Health System-Northwest Wisconsin Region, Inc.'s NPI number?

The NPI number for Mayo Clinic Health System-Northwest Wisconsin Region, Inc. is 1083140990. It was assigned to this organization in the NPPES registry on May 11, 2017. The provider is doing business as Mayo Clinic Health System-Oakridge and Mayo Clinic Health System-Osseo.

Where is Mayo Clinic Health System-Northwest Wisconsin Region, Inc. located?

Mayo Clinic Health System-Northwest Wisconsin Region, Inc. is located at 13025 8th St, Osseo, WI 54758. The listed phone number is (715) 597-3121.

What is Mayo Clinic Health System-Northwest Wisconsin Region, Inc.'s specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Multi-Specialty, with taxonomy code 261QM1300X.

Is Mayo Clinic Health System-Northwest Wisconsin Region, Inc. enrolled in Medicare?

Yes. Mayo Clinic Health System-Northwest Wisconsin Region, Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Mayo Clinic Health System-Northwest Wisconsin Region, Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1,452 clinicians in 64 Medicare specialties reassign their Medicare billing to Mayo Clinic Health System-Northwest Wisconsin Region, 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 Diagnostic Radiology (196), Nurse Practitioner (174) and Certified Registered Nurse Anesthetist (CRNA) (118). Of these, 20 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Mayo Clinic Health System-Northwest Wisconsin Region, Inc. hold a CLIA laboratory certificate?

Yes. A Certificate of Accreditation (number 52D0396870) is associated with this NPI, valid through April 26, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Mayo Clinic Health System-Northwest Wisconsin Region, Inc. accept?

Health plans from Anthem Blue Cross and Blue Shield and Security Health Plan list Mayo Clinic Health System-Northwest Wisconsin Region, 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 Mayo Clinic Health System-Northwest Wisconsin Region, Inc. was last updated on August 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.