MAYO CLINIC HEALTH SYSTEM-NORTHWEST WISCONSIN REGION, INC.
NPI 1912958026
General Acute Care Hospital - Critical Access in Osseo, WI

Active since May 13, 2006

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

Record update history: Aug 11, 2026, May 11, 2026, Apr 15, 2026 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 1912958026), doing business as Mayo Clinic Health System-oakridge, Inc., is a healthcare organization registered as a critical access in Osseo, Wisconsin and active in the NPI registry since May 2006. The organization lists Adam Smith, Cfo, as its authorized official.

NPPES Registry Identity

NPI1912958026
Entity TypeOrganization
Primary Taxonomy282NC0060X
Legal Business NameMAYO CLINIC HEALTH SYSTEM-NORTHWEST WISCONSIN REGION, INC.
Location Address13025 8TH STOsseo, WI 54758-7634
Mailing Address13025 8th StOsseo, WI 54758-7634
Organization SubpartNo
Authorized OfficialAdam SmithCfo · (715) 838-5275
Enumeration DateMay 13, 2006
Last NPPES UpdateAugust 11, 20264 updates tracked since enumeration
NPPES CertifiedAugust 11, 2026
✔ NPI 1912958026 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Taxonomy Code282NC0060X
Also ListedClinical Medical LaboratoryTaxonomy 291U00000X
13025 8TH ST, Osseo, WI 54758

Other Names 2

Doing Business AsMayo Clinic Health System-oakridge, Inc.
Doing Business AsMayo Clinic Health System-osseo

Other Identifiers 1

Medicaid11015600WI

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

352

Medicare enrollment records show 352 clinicians reassign Medicare billing to Mayo Clinic Health System-Northwest Wisconsin Region, Inc., which bills Medicare for the services they deliver. Of these, 11 practice at this address. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 38

Nurse Practitioner71
Emergency Medicine56
Hospitalist48
Diagnostic Radiology43
Family Practice30
Cardiovascular Disease (Cardiology)15
Orthopedic Surgery9
General Surgery8
30 other specialties72

Nearest to this location (20)

See all 352
Registered Dietitian or Nutrition Professional
NPI 1750173282
13025 8TH ST
Osseo, WI 54758
(715) 838-5222
✔ Accepts MedicareSame address
Registered Dietitian or Nutrition Professional
NPI 1447434519
13025 8TH ST
Osseo, WI 54758
(715) 838-5222
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
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
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
Nurse Practitioner
NPI 1649796913
3802 OAKWOOD MALL DR
Eau Claire, WI 54701
(715) 839-9280
✔ PECOS✔ Accepts Medicare18 mi
Family Practice
NPI 1669787305
733 W CLAIREMONT AVE
Eau Claire, WI 54701
(715) 838-5222
✔ PECOS✔ Accepts Medicare21 mi
Preventive Medicine
NPI 1467412999
733 W CLAIREMONT AVE
Eau Claire, WI 54701
(715) 838-5222
✔ PECOS21 mi
Hospitalist
NPI 1164401774
733 W CLAIREMONT AVE
Eau Claire, WI 54701
(715) 838-5222
✔ PECOS✔ Accepts Medicare21 mi
Pediatric Medicine
NPI 1902098486
733 W CLAIREMONT AVE
Eau Claire, WI 54701
(715) 838-5222
✔ PECOS21 mi
Interventional Pain Management
NPI 1851360986
1221 WHIPPLE ST
Eau Claire, WI 54703
(715) 552-5346
✔ PECOS✔ Accepts Medicare22 mi
Emergency Medicine
NPI 1205463734
1221 WHIPPLE ST
Eau Claire, WI 54703
(715) 838-5222
✔ PECOS✔ Accepts Medicare22 mi
Diagnostic Radiology
NPI 1609336254
1221 WHIPPLE ST
Eau Claire, WI 54703
(715) 838-3311
✔ PECOS✔ Accepts Medicare22 mi
Gastroenterology
NPI 1528051554
1221 WHIPPLE ST
Eau Claire, WI 54703
(715) 838-5222
✔ PECOS✔ Accepts Medicare22 mi
See all 352 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Quality Ratings CMS Care Compare

Quality and patient-experience ratings for Mayo Clinic Health System Oakridge (CMS certification number 521302), from CMS Care Compare.

Mayo Clinic Health System Oakridge

Critical Access Hospitals · Osseo, WI
OwnershipVoluntary non-profit - Other
CMS Certification Number521302
Location13025 8th StOsseo, WI 54758 · Trempealeau County · (715) 597-3121
Emergency services Meaningful use of EHRs

Complications & Deaths 5

Death rate for heart attack patients
Cases too small to report
Death rate for COPD patients
Cases too small to report
Death rate for heart failure patients
10.2% No different than national
Death rate for pneumonia patients
Cases too small to report
Death rate for stroke patients
Cases too small to report

Infections 1

Clostridium Difficile (C.Diff)
1 observed case · 1.333 predicted · 3,986 patient days
0.750 No different than national

Unplanned Hospital Visits 10

Hospital return days for heart attack patients
Cases too small to report
Hospital return days for heart failure patients
31 days per 100 discharges
Hospital return days for pneumonia patients
Cases too small to report
Rate of inpatient admissions for patients receiving outpatient chemotherapy
Cases too small to report
Rate of emergency department (ED) visits for patients receiving outpatient chemotherapy
Cases too small to report
Acute Myocardial Infarction (AMI) 30-Day Readmission Rate
Cases too small to report

Timely & Effective Care 9

Emergency department volume
Low
Percentage of healthcare personnel who are up to date with COVID-19 vaccinations
23.6%
Hospital Harm - Severe Hypoglycemia
2
Hospital Harm - Severe Hyperglycemia
14
Healthcare workers given influenza vaccination
83%
Average (median) time patients spent in the emergency department before leaving from the visit A lower number of minutes is better
124 minutes

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 1912958026. It was assigned to this organization in the NPPES registry on May 13, 2006. The provider is doing business as Mayo Clinic Health System-Oakridge, Inc. 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) 838-5270.

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

The primary specialty registered for this NPI is General Acute Care Hospital, specializing in Critical Access, with taxonomy code 282NC0060X.

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), 352 clinicians in 38 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 Nurse Practitioner (71), Emergency Medicine (56) and Hospitalist (48). Of these, 11 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Is Mayo Clinic Health System-Northwest Wisconsin Region, Inc. a Medicare-certified hospital?

Yes. Mayo Clinic Health System Oakridge is a Medicare-certified hospital (Critical Access Hospitals). The hospital provides emergency services.

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.