CLIA lab
CLIA 21D2259559: Doctors First LLC
Rockville, MD. Certificate and address details from the CMS Provider of Services file for clinical laboratories.
CLIA number 21D2259559 belongs to Doctors First LLC in Rockville, MD.
Certificate of Waiver, effective May 9, 2026, expires May 8, 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
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
- May 9, 2026
- Certificate expiration
- May 8, 2028
- Status in the CMS file
- Active (termination code 00)
- Original participation date
- May 9, 2022
- Facility type
- Physician office
- Ownership (control type)
- Proprietary
- Lab classification
- CLIA laboratory
- Directly affiliated labs
- 3
Source: CMS Provider of Services File, Clinical Laboratories (CLIA), as of October 16, 2026. Publisher page
Lab and contact
- CLIA number
- 21D2259559
- Lab name
- Doctors First LLC
- Address
- 9601 Blackwell Rd #210, Rockville, MD 20850
- Phone
- (301) 515-2901
- Fax
- (301) 515-5950
Annual test volume the lab reported
- Waived tests
- 8,000
Volumes are what the lab reported to CMS on its CMS-116 application, as carried in the file.
Affiliated CLIA numbers
Other labs in Rockville, MD
- A Plus Adult Medical Day Center CorporationCertificate of Waiver, Other21D2079734
- A Plus Pediatrics LLCCertificate of Waiver, Physician office21D2190322
- A Rajvanshi MD DBA Universal Hlth CareCertificate of Waiver, Physician office21D0938055
- Abdow Friendship PediatricsCertificate of Waiver, Physician office21D0894866
- Adult and Pediatric Clinic PCCertificate of Waiver, Physician office21D1037671
- Advanced Dermatology of MarylandCertificate of Accreditation, Physician office21D2027263
- Advanced Dermatology of MarylandCertificate of Accreditation, Physician office21D2091714
- Advanced Dialysis Center CollingswoodCertificate of Waiver, End stage renal disease dialysis facility21D2004976
- Advanced Surgery Center LLCCertificate of Waiver, Ambulatory surgery center21D1088661
- Adventist Healthcare Shady Grove MedicalCertificate of Accreditation, Hospital21D1020366
Related
Questions
What is the CLIA number for Doctors First LLC in Rockville?
21D2259559, per the CMS Provider of Services file posted October 16, 2026.
What CLIA certificate does Doctors First LLC hold?
A Certificate of Waiver, according to the CMS file.
When does CLIA 21D2259559 expire?
The CMS file lists May 8, 2028 as the certificate expiration date; the certificate took effect May 9, 2026.