CLIA lab

CLIA 21D2089740: Maximum Day Services, II, LLC

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

CLIA number 21D2089740 belongs to Maximum Day Services, II, LLC in Owings Mills, MD.

Certificate of Waiver, effective January 7, 2025, expires January 6, 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
January 7, 2025
Certificate expiration
January 6, 2027
Status in the CMS file
Active (termination code 00)
Original participation date
January 7, 2015
Facility type
Other
Ownership (control type)
Government, city
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
21D2089740
Lab name
Maximum Day Services, II, LLC
Address
9-D Gwynns Mill Court, Owings Mills, MD 21117
Phone
(443) 271-6137
Fax
(410) 560-7972

Annual test volume the lab reported

Waived tests
300

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

Affiliated CLIA numbers

Other labs in Owings Mills, MD

Related

Questions

What is the CLIA number for Maximum Day Services, II, LLC in Owings Mills?

21D2089740, per the CMS Provider of Services file posted October 16, 2026.

What CLIA certificate does Maximum Day Services, II, LLC hold?

A Certificate of Waiver, according to the CMS file.

When does CLIA 21D2089740 expire?

The CMS file lists January 6, 2027 as the certificate expiration date; the certificate took effect January 7, 2025.

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