CLIA lab
CLIA 21D2328121: Harmony Adult Day Care LLC
Gaithersburg, MD. Certificate and address details from the CMS Provider of Services file for clinical laboratories.
CLIA number 21D2328121 belongs to Harmony Adult Day Care LLC in Gaithersburg, MD.
Certificate of Waiver, effective August 5, 2025, expires August 4, 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
- August 5, 2025
- Certificate expiration
- August 4, 2027
- Status in the CMS file
- Active (termination code 00)
- Original participation date
- August 5, 2025
- Facility type
- Other
- 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
- 21D2328121
- Lab name
- Harmony Adult Day Care LLC
- Address
- 630 E Diamond Ave Ste F, Gaithersburg, MD 20877
- Phone
- (240) 423-9197
Annual test volume the lab reported
- Waived tests
- 1,500
Volumes are what the lab reported to CMS on its CMS-116 application, as carried in the file.
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Related
Questions
What is the CLIA number for Harmony Adult Day Care LLC in Gaithersburg?
21D2328121, per the CMS Provider of Services file posted October 16, 2026.
What CLIA certificate does Harmony Adult Day Care LLC hold?
A Certificate of Waiver, according to the CMS file.
When does CLIA 21D2328121 expire?
The CMS file lists August 4, 2027 as the certificate expiration date; the certificate took effect August 5, 2025.