CLIA lab

CLIA 21D2061446: Doctors First, LLC

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

CLIA number 21D2061446 belongs to Doctors First, LLC in Gaithersburg, MD.

Certificate of Waiver, effective June 28, 2025, expires June 27, 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
June 28, 2025
Certificate expiration
June 27, 2027
Status in the CMS file
Active (termination code 00)
Original participation date
June 28, 2013
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
21D2061446
Lab name
Doctors First, LLC
Address
806 W Diamond Ave, Suite 110, Gaithersburg, MD 20878
Phone
(301) 515-2902
Fax
(301) 515-5950

Annual test volume the lab reported

Waived tests
800

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 Doctors First, LLC in Gaithersburg?

21D2061446, per the CMS Provider of Services file posted October 16, 2026.

What CLIA certificate does Doctors First, LLC hold?

A Certificate of Waiver, according to the CMS file.

When does CLIA 21D2061446 expire?

The CMS file lists June 27, 2027 as the certificate expiration date; the certificate took effect June 28, 2025.

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