CLIA lab
CLIA 50D2333735: Arthritis Northwest, PLLC
Spokane Valley, WA. Certificate and address details from the CMS Provider of Services file for clinical laboratories.
CLIA number 50D2333735 belongs to Arthritis Northwest, PLLC in Spokane Valley, WA.
Certificate of Waiver, effective November 10, 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
Run it in Rivvi
Map your lab's test names to LOINC codes
Open in RivviFree to start. Opens Rivvi, the AI workspace for healthcare teams.
Certificate
- Certificate type
- Certificate of Waiver
- Certificate effective
- November 10, 2025
- Certificate expiration
- April 4, 2028
- Status in the CMS file
- Active (termination code 00)
- Original participation date
- November 10, 2025
- Facility type
- Community clinic
- Ownership (control type)
- Proprietary
- 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
- 50D2333735
- Lab name
- Arthritis Northwest, PLLC
- Address
- 12509 E. Mission Ave Suite 102/202, Spokane Valley, WA 99216
- Phone
- (509) 838-6500
- Fax
- (509) 838-6561
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.
Other labs in Spokane Valley, WA
- #1all4besthomecare, LLCCertificate of Waiver, Other50D2348679
- 1integratedcare, LLCCertificate of Waiver, Other50D2318007
- A Fabulous Place Afh, LLCCertificate of Waiver, Assisted living facility50D2326771
- A Marvelous Place Afh LLCCertificate of Waiver, Other50D2338874
- A Plus Quality Adult Family HomeCertificate of Waiver, Other50D2338664
- Adiani Adult Family Home IICertificate of Waiver, Other50D2342684
- Aging Well Homes 2Certificate of Waiver, Other50D2338653
- All Comforts AfhCertificate of Waiver, Other50D2326764
- Amalaika Adult Family Home LLCCertificate of Waiver, Other50D2319399
- Amani Place AfhCertificate of Waiver, Other50D2260318
Related
Questions
What is the CLIA number for Arthritis Northwest, PLLC in Spokane Valley?
50D2333735, per the CMS Provider of Services file posted October 16, 2026.
What CLIA certificate does Arthritis Northwest, PLLC hold?
A Certificate of Waiver, according to the CMS file.
When does CLIA 50D2333735 expire?
The CMS file lists April 4, 2028 as the certificate expiration date; the certificate took effect November 10, 2025.