CLIA lab

CLIA 52D0388660: Ascension Columbia ST Mary's Hospital Ozaukee

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

CLIA number 52D0388660 belongs to Ascension Columbia ST Mary's Hospital Ozaukee in Mequon, WI.

Certificate of Accreditation, effective January 3, 2025, expires January 2, 2027.

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

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Certificate

Certificate type
Certificate of Accreditation
Certificate effective
January 3, 2025
Certificate expiration
January 2, 2027
Status in the CMS file
Active (termination code 00)
Original participation date
September 1, 1992
Facility type
Hospital
Ownership (control type)
Religious affiliation
Lab classification
CLIA laboratory
Accrediting organizations
The Joint Commission

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

Lab and contact

CLIA number
52D0388660
Lab name
Ascension Columbia ST Mary's Hospital Ozaukee
Address
13111 N Port Washington Rd, Mequon, WI 53097
Phone
(262) 243-7402
Fax
(262) 243-7407

Annual test volume the lab reported

Waived tests
500
Tests under accreditation
484,436
Total
484,936

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

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Related

Questions

What is the CLIA number for Ascension Columbia ST Mary's Hospital Ozaukee in Mequon?

52D0388660, per the CMS Provider of Services file posted October 16, 2026.

What CLIA certificate does Ascension Columbia ST Mary's Hospital Ozaukee hold?

A Certificate of Accreditation, according to the CMS file.

When does CLIA 52D0388660 expire?

The CMS file lists January 2, 2027 as the certificate expiration date; the certificate took effect January 3, 2025.

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