CLIA lab
CLIA 52D0895947: Mercy Walworth Laboratory
Lake Geneva, WI. Certificate and address details from the CMS Provider of Services file for clinical laboratories.
CLIA number 52D0895947 belongs to Mercy Walworth Laboratory in Lake Geneva, 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
- December 21, 1994
- Facility type
- Hospital
- Ownership (control type)
- Private
- Lab classification
- CLIA laboratory
- Accrediting organizations
- The Joint Commission
- Directly affiliated labs
- 4
Source: CMS Provider of Services File, Clinical Laboratories (CLIA), as of October 16, 2026. Publisher page
Lab and contact
- CLIA number
- 52D0895947
- Lab name
- Mercy Walworth Laboratory
- Address
- N2950 State Road 67, Lake Geneva, WI 53147
- Phone
- (262) 245-2256
Annual test volume the lab reported
- Waived tests
- 700
- Provider-performed microscopy tests
- 1,000
- Tests under accreditation
- 381,129
- Total
- 382,829
Volumes are what the lab reported to CMS on its CMS-116 application, as carried in the file.
Affiliated CLIA numbers
Other labs in Lake Geneva, WI
- Aurora Healthcare Lake Geneva ClinicCertificate of Waiver, Community clinic52D2001852
- Geneva Lake ManorCertificate of Waiver, Skilled nursing or nursing facility52D0389542
- Golden Years of Lake GenevaCertificate of Waiver, Assisted living facility52D2146399
- Lake Geneva Assisted LivingCertificate of Waiver, Assisted living facility52D1018140
- Lake Geneva DialysisCertificate of Waiver, End stage renal disease dialysis facility52D1006244
- Lake Geneva Fire DeptCertificate of Waiver, Ambulance52D0991096
- Lake Geneva Joint 1 School DistrictCertificate of Waiver, School or student health service52D2226769
- Mercy Lake Geneva Medical CenterCertificate of Waiver, Physician office52D0709444
- Sage Meadow of Lake GenevaCertificate of Waiver, Assisted living facility52D2177349
- Spine and Neuro Health and Wellness Center LLCCertificate of Waiver, Ambulatory surgery center52D2254517
Related
Questions
What is the CLIA number for Mercy Walworth Laboratory in Lake Geneva?
52D0895947, per the CMS Provider of Services file posted October 16, 2026.
What CLIA certificate does Mercy Walworth Laboratory hold?
A Certificate of Accreditation, according to the CMS file.
When does CLIA 52D0895947 expire?
The CMS file lists January 2, 2027 as the certificate expiration date; the certificate took effect January 3, 2025.