CLIA lab
CLIA 45D2020399: David W Michalak, MD
The Woodlands, TX. Certificate and address details from the CMS Provider of Services file for clinical laboratories.
CLIA number 45D2020399 belongs to David W Michalak, MD in The Woodlands, TX.
Certificate of Waiver, effective February 17, 2025, expires February 16, 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
- February 17, 2025
- Certificate expiration
- February 16, 2027
- Status in the CMS file
- Active (termination code 00)
- Original participation date
- February 17, 2011
- 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
- 45D2020399
- Lab name
- David W Michalak, MD
- Address
- 4840 West Panther Creek #101, The Woodlands, TX 77381
- Phone
- (281) 367-1720
- Fax
- (281) 681-3311
Annual test volume the lab reported
- Waived tests
- 250
Volumes are what the lab reported to CMS on its CMS-116 application, as carried in the file.
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- Alliance Hospice, LLC, DBA Three Oaks HospiceCertificate of Waiver, Hospice45D2124437
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Related
Questions
What is the CLIA number for David W Michalak, MD in The Woodlands?
45D2020399, per the CMS Provider of Services file posted October 16, 2026.
What CLIA certificate does David W Michalak, MD hold?
A Certificate of Waiver, according to the CMS file.
When does CLIA 45D2020399 expire?
The CMS file lists February 16, 2027 as the certificate expiration date; the certificate took effect February 17, 2025.