CLIA lab

CLIA 52D0394239: Mayo Clinic Health System Ellsworth

Ellsworth, WI. Certificate and address details from the CMS Provider of Services file for clinical laboratories.

CLIA number 52D0394239 belongs to Mayo Clinic Health System Ellsworth in Ellsworth, WI.

Certificate of Waiver, effective January 1, 2025, expires December 31, 2026.

Active in the CMS Provider of Services file posted October 16, 2026.

Source: CMS Provider of Services File, Clinical Laboratories (CLIA), as of October 16, 2026. Publisher page

Run it in Rivvi

Map your lab's test names to LOINC codes

Open in Rivvi

Free to start. Opens Rivvi, the AI workspace for healthcare teams.

Certificate

Certificate type
Certificate of Waiver
Certificate effective
January 1, 2025
Certificate expiration
December 31, 2026
Status in the CMS file
Active (termination code 00)
Original participation date
September 1, 1992
Facility type
Physician office
Ownership (control type)
Private
Lab classification
CLIA laboratory
Directly affiliated labs
2

Source: CMS Provider of Services File, Clinical Laboratories (CLIA), as of October 16, 2026. Publisher page

Lab and contact

CLIA number
52D0394239
Lab name
Mayo Clinic Health System Ellsworth
Address
530 W Cairns St, Ellsworth, WI 54011
Phone
(715) 792-5331

Annual test volume the lab reported

Waived tests
4,662

Volumes are what the lab reported to CMS on its CMS-116 application, as carried in the file.

Affiliated CLIA numbers

Other labs in Ellsworth, WI

Related

Questions

What is the CLIA number for Mayo Clinic Health System Ellsworth in Ellsworth?

52D0394239, per the CMS Provider of Services file posted October 16, 2026.

What CLIA certificate does Mayo Clinic Health System Ellsworth hold?

A Certificate of Waiver, according to the CMS file.

When does CLIA 52D0394239 expire?

The CMS file lists December 31, 2026 as the certificate expiration date; the certificate took effect January 1, 2025.

Try it on your own data today.

Free to start. Most teams are using it the same day.