CLIA lab

CLIA 21D1099911: Medstar Urgent Care LLC Gaithersburg

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

CLIA number 21D1099911 belongs to Medstar Urgent Care LLC Gaithersburg in Gaithersburg, MD.

Certificate of Waiver, effective April 1, 2025, expires March 31, 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
April 1, 2025
Certificate expiration
March 31, 2027
Status in the CMS file
Active (termination code 00)
Original participation date
May 26, 2009
Facility type
Physician office
Ownership (control type)
Proprietary
Lab classification
CLIA laboratory
Directly affiliated labs
1

Source: CMS Provider of Services File, Clinical Laboratories (CLIA), as of October 16, 2026. Publisher page

Lab and contact

CLIA number
21D1099911
Lab name
Medstar Urgent Care LLC Gaithersburg
Address
882 Muddy Branch Road, Gaithersburg, MD 20878
Phone
(410) 772-6726
Fax
(410) 715-3809

Annual test volume the lab reported

Waived tests
6,700

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

Affiliated CLIA numbers

Other labs in Gaithersburg, MD

Related

Questions

What is the CLIA number for Medstar Urgent Care LLC Gaithersburg in Gaithersburg?

21D1099911, per the CMS Provider of Services file posted October 16, 2026.

What CLIA certificate does Medstar Urgent Care LLC Gaithersburg hold?

A Certificate of Waiver, according to the CMS file.

When does CLIA 21D1099911 expire?

The CMS file lists March 31, 2027 as the certificate expiration date; the certificate took effect April 1, 2025.

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