CLIA lab

CLIA 45D2052243: The Emergency Room at Katy Main Street

Katy, TX. Certificate and address details from the CMS Provider of Services file for clinical laboratories.

CLIA number 45D2052243 belongs to The Emergency Room at Katy Main Street in Katy, TX.

Certificate of Accreditation, effective September 18, 2025, expires September 17, 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
September 18, 2025
Certificate expiration
September 17, 2027
Status in the CMS file
Active (termination code 00)
Original participation date
January 8, 2013
Facility type
Other
Ownership (control type)
Proprietary
Lab classification
CLIA laboratory
Accrediting organizations
COLA

Source: CMS Provider of Services File, Clinical Laboratories (CLIA), as of October 16, 2026. Publisher page

Lab and contact

CLIA number
45D2052243
Lab name
The Emergency Room at Katy Main Street
Address
25765 Katy Freeway, Katy, TX 77494
Phone
(281) 395-9900
Fax
(281) 392-9103

Annual test volume the lab reported

Waived tests
2,000
Tests under accreditation
14,000
Total
16,000

Volumes are what the lab reported to CMS on its CMS-116 application, as carried in the file.

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Questions

What is the CLIA number for The Emergency Room at Katy Main Street in Katy?

45D2052243, per the CMS Provider of Services file posted October 16, 2026.

What CLIA certificate does The Emergency Room at Katy Main Street hold?

A Certificate of Accreditation, according to the CMS file.

When does CLIA 45D2052243 expire?

The CMS file lists September 17, 2027 as the certificate expiration date; the certificate took effect September 18, 2025.

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