CLIA lab
CLIA 21D0888672: Simmonds Martin & Helmbrecht LLC
Gaithersburg, MD. Certificate and address details from the CMS Provider of Services file for clinical laboratories.
CLIA number 21D0888672 belongs to Simmonds Martin & Helmbrecht LLC in Gaithersburg, MD.
Certificate for Provider-Performed Microscopy Procedures, effective July 12, 2026, expires July 11, 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 for Provider-Performed Microscopy Procedures
- Certificate effective
- July 12, 2026
- Certificate expiration
- July 11, 2028
- Status in the CMS file
- Active (termination code 00)
- Original participation date
- July 12, 1994
- Facility type
- Physician office
- 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
- 21D0888672
- Lab name
- Simmonds Martin & Helmbrecht LLC
- Address
- 555 Quince Orchard Rd Ste 410, Gaithersburg, MD 20878
- Phone
- (301) 948-3600
Annual test volume the lab reported
- Waived tests
- 3,000
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 Simmonds Martin & Helmbrecht LLC in Gaithersburg?
21D0888672, per the CMS Provider of Services file posted October 16, 2026.
What CLIA certificate does Simmonds Martin & Helmbrecht LLC hold?
A Certificate for Provider-Performed Microscopy Procedures, according to the CMS file.
When does CLIA 21D0888672 expire?
The CMS file lists July 11, 2028 as the certificate expiration date; the certificate took effect July 12, 2026.