CLIA lab
CLIA 14D2147020: Oak Street Health
Chicago Heights, IL. Certificate and address details from the CMS Provider of Services file for clinical laboratories.
CLIA number 14D2147020 belongs to Oak Street Health in Chicago Heights, IL.
Certificate of Waiver, effective April 11, 2026, expires April 10, 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
- April 11, 2026
- Certificate expiration
- April 10, 2028
- Status in the CMS file
- Active (termination code 00)
- Original participation date
- April 11, 2018
- Facility type
- Physician office
- Ownership (control type)
- Proprietary
- Lab classification
- CLIA laboratory
Source: CMS Provider of Services File, Clinical Laboratories (CLIA), as of October 16, 2026. Publisher page
Lab and contact
- CLIA number
- 14D2147020
- Lab name
- Oak Street Health
- Address
- 1401 Western Ave, Chicago Heights, IL 60411
- Phone
- (844) 808-8262
Annual test volume the lab reported
- Waived tests
- 5,000
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 Oak Street Health in Chicago Heights?
14D2147020, per the CMS Provider of Services file posted October 16, 2026.
What CLIA certificate does Oak Street Health hold?
A Certificate of Waiver, according to the CMS file.
When does CLIA 14D2147020 expire?
The CMS file lists April 10, 2028 as the certificate expiration date; the certificate took effect April 11, 2026.