CLIA lab
CLIA 21D0857865: Chase Brexton Health Care Security Square Center
Windsor Mill, MD. Certificate and address details from the CMS Provider of Services file for clinical laboratories.
CLIA number 21D0857865 belongs to Chase Brexton Health Care Security Square Center in Windsor Mill, MD.
Certificate for Provider-Performed Microscopy Procedures, effective March 1, 2026, expires February 29, 2028.
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
Run it in Rivvi
Map your lab's test names to LOINC codes
Open in RivviFree to start. Opens Rivvi, the AI workspace for healthcare teams.
Certificate
- Certificate type
- Certificate for Provider-Performed Microscopy Procedures
- Certificate effective
- March 1, 2026
- Certificate expiration
- February 29, 2028
- Status in the CMS file
- Active (termination code 00)
- Original participation date
- January 22, 1993
- Facility type
- Federally qualified health center
- Ownership (control type)
- Other
- 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
- 21D0857865
- Lab name
- Chase Brexton Health Care Security Square Center
- Address
- 6901 Security Blvd Suite 200, Windsor Mill, MD 21244
- Phone
- (410) 837-2050
- Fax
- (410) 752-1374
Annual test volume the lab reported
- Waived tests
- 500
- Provider-performed microscopy tests
- 750
- Total
- 1,250
Volumes are what the lab reported to CMS on its CMS-116 application, as carried in the file.
Other labs in Windsor Mill, MD
- Access Family Practice and Walk-In ClinicCertificate of Waiver, Physician office21D2008751
- Butler Medical Transport LLCCertificate of Waiver, Ambulance21D0992837
- Center for Social Change, Inc Rising Sun AssistedCertificate of Waiver, Assisted living facility21D2343822
- Clearway Pain Surgery Center of Windsor Mill LLCCertificate of Waiver, Ambulatory surgery center21D2293386
- Ejemeh Okojie MD PA IncCertificate of Waiver, Physician office21D1082713
- Expedient Health Solutions LLC DBA Gameday Men's HCertificate of Accreditation, Physician office21D2308175
- Foundations Inpatient LLCCertificate of Waiver, Other21D2144624
- Friends and Family Ads IncCertificate of Waiver, Ambulance21D1034183
- Health Solution Diagnostic Services LLCCertificate of Waiver, Mobile lab21D2239613
- Heartland Hospice (Baltimore)Certificate of Waiver, Hospice21D2029873
Related
Questions
What is the CLIA number for Chase Brexton Health Care Security Square Center in Windsor Mill?
21D0857865, per the CMS Provider of Services file posted October 16, 2026.
What CLIA certificate does Chase Brexton Health Care Security Square Center hold?
A Certificate for Provider-Performed Microscopy Procedures, according to the CMS file.
When does CLIA 21D0857865 expire?
The CMS file lists February 29, 2028 as the certificate expiration date; the certificate took effect March 1, 2026.