CLIA lab
CLIA 50D0941135: Mason Clinic
Shelton, WA. Certificate and address details from the CMS Provider of Services file for clinical laboratories.
CLIA number 50D0941135 belongs to Mason Clinic in Shelton, WA.
Certificate of Waiver, effective May 1, 2025, expires April 4, 2028.
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 Waiver
- Certificate effective
- May 1, 2025
- Certificate expiration
- April 4, 2028
- Status in the CMS file
- Active (termination code 00)
- Original participation date
- February 20, 1998
- Facility type
- Rural health clinic
- Ownership (control type)
- Unknown
- Lab classification
- CLIA exempt laboratory
Source: CMS Provider of Services File, Clinical Laboratories (CLIA), as of October 16, 2026. Publisher page
Lab and contact
- CLIA number
- 50D0941135
- Lab name
- Mason Clinic
- Address
- 1701 N 13th St, Shelton, WA 98584
- Phone
- (360) 426-2653
- Fax
- (360) 569-4124
Annual test volume the lab reported
- Waived tests
- 1,000
Volumes are what the lab reported to CMS on its CMS-116 application, as carried in the file.
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- Aop DBA Vista OncologyCertificate of Accreditation, Physician office50D2033377
- Care Net Pregnancy Center of Mason CountyCertificate of Waiver, Other50D1041440
- Carlstrom Comfort Living LLC AfhCertificate of Waiver, Other50D2337307
- Claret Afh LLCCertificate of Waiver, Other50D2351096
- Fir Lane CareCertificate of Waiver, Skilled nursing or nursing facility50D0637245
- Fred Meyer Pharmary #603Certificate of Waiver, Pharmacy50D0951633
- Fresenius Kidney Care SheltonCertificate of Waiver, End stage renal disease dialysis facility50D1049468
- Maple Glen Assisted Living CommunityCertificate of Waiver, Assisted living facility50D2350181
- Mason County Community Services - Public HealthCertificate of Waiver, Other50D2205037
Related
Questions
What is the CLIA number for Mason Clinic in Shelton?
50D0941135, per the CMS Provider of Services file posted October 16, 2026.
What CLIA certificate does Mason Clinic hold?
A Certificate of Waiver, according to the CMS file.
When does CLIA 50D0941135 expire?
The CMS file lists April 4, 2028 as the certificate expiration date; the certificate took effect May 1, 2025.