CLIA lab

CLIA 21D1013170: ST Mary's County Health Department

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

CLIA number 21D1013170 belongs to ST Mary's County Health Department in Leonardtown, MD.

Certificate of Registration, effective April 16, 2026, expires April 15, 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

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Certificate

Certificate type
Certificate of Registration
Certificate effective
April 16, 2026
Certificate expiration
April 15, 2028
Status in the CMS file
Active (termination code 00)
Original participation date
June 3, 2003
Facility type
Community clinic
Ownership (control type)
Government, state
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
21D1013170
Lab name
ST Mary's County Health Department
Address
21580 Peabody St PO Box 316, Leonardtown, MD 20650
Phone
(301) 475-4330
Fax
(301) 475-4350

Annual test volume the lab reported

Waived tests
1,000
Other nonwaived tests
1,000
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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Related

Questions

What is the CLIA number for ST Mary's County Health Department in Leonardtown?

21D1013170, per the CMS Provider of Services file posted October 16, 2026.

What CLIA certificate does ST Mary's County Health Department hold?

A Certificate of Registration, according to the CMS file.

When does CLIA 21D1013170 expire?

The CMS file lists April 15, 2028 as the certificate expiration date; the certificate took effect April 16, 2026.

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