CLIA lab

CLIA 21D2251432: B&B Bio LLC

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

CLIA number 21D2251432 belongs to B&B Bio LLC in Gaithersburg, MD.

Certificate of Accreditation, effective January 17, 2026, expires January 16, 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 of Accreditation
Certificate effective
January 17, 2026
Certificate expiration
January 16, 2028
Status in the CMS file
Active (termination code 00)
Original participation date
February 3, 2022
Facility type
Independent
Ownership (control type)
Proprietary
Lab classification
CLIA laboratory
Accrediting organizations
College of American Pathologists (CAP)
Directly affiliated labs
3

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

Lab and contact

CLIA number
21D2251432
Lab name
B&B Bio LLC
Address
4 Professional Dr, Ste 115, Gaithersburg, MD 20879
Phone
(301) 355-4779

Annual test volume the lab reported

Waived tests
500
Tests under accreditation
1,000
Total
1,500

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 B&B Bio LLC in Gaithersburg?

21D2251432, per the CMS Provider of Services file posted October 16, 2026.

What CLIA certificate does B&B Bio LLC hold?

A Certificate of Accreditation, according to the CMS file.

When does CLIA 21D2251432 expire?

The CMS file lists January 16, 2028 as the certificate expiration date; the certificate took effect January 17, 2026.

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