CLIA lab
CLIA 14D2000820: Mathers Clinic LLC
Crystal Lake, IL. Certificate and address details from the CMS Provider of Services file for clinical laboratories.
CLIA number 14D2000820 belongs to Mathers Clinic LLC in Crystal Lake, IL.
Certificate of Waiver, effective December 7, 2025, expires December 6, 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 Waiver
- Certificate effective
- December 7, 2025
- Certificate expiration
- December 6, 2027
- Status in the CMS file
- Active (termination code 00)
- Original participation date
- December 7, 2009
- 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
- 14D2000820
- Lab name
- Mathers Clinic LLC
- Address
- 145 S Virginia St, Crystal Lake, IL 60014
- Phone
- (815) 444-9999
- Fax
- (815) 336-6680
Annual test volume the lab reported
- Waived tests
- 100
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 Mathers Clinic LLC in Crystal Lake?
14D2000820, per the CMS Provider of Services file posted October 16, 2026.
What CLIA certificate does Mathers Clinic LLC hold?
A Certificate of Waiver, according to the CMS file.
When does CLIA 14D2000820 expire?
The CMS file lists December 6, 2027 as the certificate expiration date; the certificate took effect December 7, 2025.