CLIA lab
CLIA 35D0409305: Mercy Medical Center of Williston
Williston, ND. Certificate and address details from the CMS Provider of Services file for clinical laboratories.
CLIA number 35D0409305 belongs to Mercy Medical Center of Williston in Williston, ND.
Certificate of Accreditation, effective August 17, 2025, expires August 16, 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
- August 17, 2025
- Certificate expiration
- August 16, 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
- Directly affiliated labs
- 1
Source: CMS Provider of Services File, Clinical Laboratories (CLIA), as of October 16, 2026. Publisher page
Lab and contact
- CLIA number
- 35D0409305
- Lab name
- Mercy Medical Center of Williston
- Address
- 1301 15th Ave W, Williston, ND 58801
- Phone
- (701) 774-7432
- Fax
- (701) 774-4184
Annual test volume the lab reported
- Waived tests
- 4,200
- Tests under accreditation
- 254,500
- Total
- 258,700
Volumes are what the lab reported to CMS on its CMS-116 application, as carried in the file.
Care facility at this address
- CHI ST Alexius Health WillistonCMS Care Compare ratings for the facility at the same street address
Affiliated CLIA numbers
Other labs in Williston, ND
- Bakken Onsite Screening LLCCertificate of Waiver, Mobile lab35D2344595
- Basin Health & Spine CenterCertificate of Waiver, Physician office35D2034082
- Bethel Lutheran Nursing & Rehabilitation CenterCertificate of Waiver, Skilled nursing or nursing facility35D0724200
- Chatter Pediatric Walk-In ClinicCertificate of Waiver, Independent35D2184037
- Chi Health Connect at Home - FargoCertificate of Waiver, Home health agency35D2095137
- Conservative Care Occupational HealthCertificate of Waiver, Physician office35D2058643
- G & G PharmacyCertificate of Waiver, Pharmacy35D2233940
- Guardian Flight LLCCertificate of Waiver, Ambulance35D2019281
- Mckenzie Health Laboratory - WillistonCertificate of Compliance, Community clinic35D2298302
- Medscan Laboratory, IncCertificate of Registration, Independent35D0991209
Related
Questions
What is the CLIA number for Mercy Medical Center of Williston in Williston?
35D0409305, per the CMS Provider of Services file posted October 16, 2026.
What CLIA certificate does Mercy Medical Center of Williston hold?
A Certificate of Accreditation, according to the CMS file.
When does CLIA 35D0409305 expire?
The CMS file lists August 16, 2027 as the certificate expiration date; the certificate took effect August 17, 2025.