CLIA lab

CLIA 21D2138381: Medstar Surgery Center at Timonium

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

CLIA number 21D2138381 belongs to Medstar Surgery Center at Timonium in Timonium, MD.

Certificate of Waiver, effective October 17, 2025, expires October 16, 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 17, 2025
Certificate expiration
October 16, 2027
Status in the CMS file
Active (termination code 00)
Original participation date
October 17, 2017
Facility type
Ambulatory surgery center
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
21D2138381
Lab name
Medstar Surgery Center at Timonium
Address
2118 Greenspring Dr Suite 300, Timonium, MD 21093
Phone
(410) 252-5671

Annual test volume the lab reported

Waived tests
4,900

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

Other labs in Timonium, MD

Related

Questions

What is the CLIA number for Medstar Surgery Center at Timonium in Timonium?

21D2138381, per the CMS Provider of Services file posted October 16, 2026.

What CLIA certificate does Medstar Surgery Center at Timonium hold?

A Certificate of Waiver, according to the CMS file.

When does CLIA 21D2138381 expire?

The CMS file lists October 16, 2027 as the certificate expiration date; the certificate took effect October 17, 2025.

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