CLIA lab

CLIA 21D0701795: Medstar ST Mary's Hospital

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

CLIA number 21D0701795 belongs to Medstar ST Mary's Hospital in Leonardtown, MD.

Certificate for Provider-Performed Microscopy Procedures, effective October 27, 2026, expires October 26, 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 for Provider-Performed Microscopy Procedures
Certificate effective
October 27, 2026
Certificate expiration
October 26, 2028
Status in the CMS file
Active (termination code 00)
Original participation date
May 19, 1993
Facility type
Hospital
Ownership (control type)
Private
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
21D0701795
Lab name
Medstar ST Mary's Hospital
Address
25500 Point Lookout Road, Leonardtown, MD 20650
Phone
(301) 475-6148
Fax
(240) 434-7019

Annual test volume the lab reported

Waived tests
3,000

Volumes are what the lab reported to CMS on its CMS-116 application, as carried in the file.

Care facility at this address

Other labs in Leonardtown, MD

Related

Questions

What is the CLIA number for Medstar ST Mary's Hospital in Leonardtown?

21D0701795, per the CMS Provider of Services file posted October 16, 2026.

What CLIA certificate does Medstar ST Mary's Hospital hold?

A Certificate for Provider-Performed Microscopy Procedures, according to the CMS file.

When does CLIA 21D0701795 expire?

The CMS file lists October 26, 2028 as the certificate expiration date; the certificate took effect October 27, 2026.

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