CLIA lab
CLIA 21D0663504: Concentra - Gaithersburg
Gaithersburg, MD. Certificate and address details from the CMS Provider of Services file for clinical laboratories.
CLIA number 21D0663504 belongs to Concentra - Gaithersburg in Gaithersburg, MD.
Certificate of Waiver, effective August 19, 2025, expires August 18, 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
Run it in Rivvi
Map your lab's test names to LOINC codes
Open in RivviFree to start. Opens Rivvi, the AI workspace for healthcare teams.
Certificate
- Certificate type
- Certificate of Waiver
- Certificate effective
- August 19, 2025
- Certificate expiration
- August 18, 2027
- Status in the CMS file
- Active (termination code 00)
- Original participation date
- September 1, 1992
- Facility type
- Community clinic
- Ownership (control type)
- Proprietary
- 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
- 21D0663504
- Lab name
- Concentra - Gaithersburg
- Address
- 733 S Frederick Avenue, Gaithersburg, MD 20877
- Phone
- (301) 869-0700
- Fax
- (301) 948-1758
Annual test volume the lab reported
- Waived tests
- 3,763
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
- A M Gohari MDCertificate for Provider-Performed Microscopy Procedures, Physician office21D0212893
- Act Health Integrated Services, LLCCertificate of Waiver, Physician office21D2170476
- Adh Inc DBA Rainbow of MCCertificate of Waiver, Other21D0984154
- Adh, Inc DBA Rainbow Gardens AdhsCertificate of Waiver, Other21D1101032
- Advanced Functional Health and WellnessCertificate of Waiver, Other practitioner21D2227757
- Adventist Healthcare Lifework StrategiesCertificate of Waiver, Health fair21D2172539
- Ahc-Adventist Med Grp-Montgomery VillageCertificate of Waiver, Physician office21D0943315
- Alan E Gober MDCertificate of Compliance, Physician office21D0212976
- American Health Associates LLCCertificate of Waiver, Physician office21D2332529
- Autumn Health Inc DBA Interim Home HealthCertificate of Waiver, Home health agency21D2301411
Related
Questions
What is the CLIA number for Concentra - Gaithersburg in Gaithersburg?
21D0663504, per the CMS Provider of Services file posted October 16, 2026.
What CLIA certificate does Concentra - Gaithersburg hold?
A Certificate of Waiver, according to the CMS file.
When does CLIA 21D0663504 expire?
The CMS file lists August 18, 2027 as the certificate expiration date; the certificate took effect August 19, 2025.