CLIA lab

CLIA 21D2291001: Walgreens #19471

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

CLIA number 21D2291001 belongs to Walgreens #19471 in Leonardtown, MD.

Certificate of Waiver, effective October 4, 2025, expires October 3, 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
October 4, 2025
Certificate expiration
October 3, 2027
Status in the CMS file
Active (termination code 00)
Original participation date
October 4, 2023
Facility type
Pharmacy
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
21D2291001
Lab name
Walgreens #19471
Address
40955 Merchant Ln, Leonardtown, MD 20650
Phone
(301) 475-7212
Fax
(301) 475-5420

Annual test volume the lab reported

Waived tests
12,775

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 Walgreens #19471 in Leonardtown?

21D2291001, per the CMS Provider of Services file posted October 16, 2026.

What CLIA certificate does Walgreens #19471 hold?

A Certificate of Waiver, according to the CMS file.

When does CLIA 21D2291001 expire?

The CMS file lists October 3, 2027 as the certificate expiration date; the certificate took effect October 4, 2025.

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