CLIA lab
CLIA 21D2043931: Major Medical LLC
Silver Spring, MD. Certificate and address details from the CMS Provider of Services file for clinical laboratories.
CLIA number 21D2043931 belongs to Major Medical LLC in Silver Spring, MD.
Certificate of Waiver, effective August 1, 2025, expires July 31, 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
- August 1, 2025
- Certificate expiration
- July 31, 2027
- Status in the CMS file
- Active (termination code 00)
- Original participation date
- July 13, 2012
- 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
- 21D2043931
- Lab name
- Major Medical LLC
- Address
- 1300 Spring Street #122, Silver Spring, MD 20910
- Phone
- (301) 585-1833
- Fax
- (301) 448-1202
Annual test volume the lab reported
- Waived tests
- 400
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 Major Medical LLC in Silver Spring?
21D2043931, per the CMS Provider of Services file posted October 16, 2026.
What CLIA certificate does Major Medical LLC hold?
A Certificate of Waiver, according to the CMS file.
When does CLIA 21D2043931 expire?
The CMS file lists July 31, 2027 as the certificate expiration date; the certificate took effect August 1, 2025.