CLIA lab

CLIA 45D2111458: Houston Methodist Willowbrook Hospital Emergency

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

CLIA number 45D2111458 belongs to Houston Methodist Willowbrook Hospital Emergency in Spring, TX.

Certificate of Accreditation, effective March 22, 2025, expires March 21, 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
March 22, 2025
Certificate expiration
March 21, 2027
Status in the CMS file
Active (termination code 00)
Original participation date
April 7, 2016
Facility type
Other
Ownership (control type)
Religious affiliation
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
45D2111458
Lab name
Houston Methodist Willowbrook Hospital Emergency
Additional name
Care Center - Spring
Address
5303 FM 2920 Rd, Spring, TX 77388
Phone
(713) 441-7105
Fax
(713) 441-3489

Annual test volume the lab reported

Waived tests
500
Provider-performed microscopy tests
200
Tests under accreditation
1,300
Total
2,000

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 Houston Methodist Willowbrook Hospital Emergency in Spring?

45D2111458, per the CMS Provider of Services file posted October 16, 2026.

What CLIA certificate does Houston Methodist Willowbrook Hospital Emergency hold?

A Certificate of Accreditation, according to the CMS file.

When does CLIA 45D2111458 expire?

The CMS file lists March 21, 2027 as the certificate expiration date; the certificate took effect March 22, 2025.

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