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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- Dhillon PediatricsCertificate of Compliance, Physician office21D0925302
- Everside Health ST Mary'sCertificate of Waiver, Physician office21D2298201
- Greater Maryland Pain ManagementCertificate of Waiver, Physician office21D2091718
- Kirit K Patel MD LLCCertificate of Waiver, Physician office21D0962034
- Leonardtown Chiropractic & Physical Therapy IncCertificate of Waiver, Other practitioner21D2230631
- Leonardtown Surgery Center, LLCCertificate of Waiver, Ambulatory surgery center21D2029564
- MMG ST ClementsCertificate of Waiver, Physician office21D2007841
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.