CLIA lab
CLIA 21D2350816: Willoughby Pediatrics LLC
Catonsville, MD. Certificate and address details from the CMS Provider of Services file for clinical laboratories.
CLIA number 21D2350816 belongs to Willoughby Pediatrics LLC in Catonsville, MD.
Certificate of Waiver, effective September 16, 2026, expires September 15, 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 of Waiver
- Certificate effective
- September 16, 2026
- Certificate expiration
- September 15, 2028
- Status in the CMS file
- Active (termination code 00)
- Original participation date
- September 16, 2026
- 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
- 21D2350816
- Lab name
- Willoughby Pediatrics LLC
- Address
- 2 West Rolling Crossroads Suite 112, Catonsville, MD 21228
- Phone
- (443) 300-8735
Annual test volume the lab reported
- Waived tests
- 2,000
Volumes are what the lab reported to CMS on its CMS-116 application, as carried in the file.
Other labs in Catonsville, MD
- BH Brightview Rolling Hills Opco LLCCertificate of Waiver, Assisted living facility21D2187887
- Cathy Healthcare LLCCertificate of Waiver, Other21D2256508
- Catonsville PediatricsCertificate of Waiver, Physician office21D0859031
- Catonsville Pharmacy LLCCertificate of Waiver, Pharmacy21D2049633
- Catonsville Primary Care Center PACertificate for Provider-Performed Microscopy Procedures, Physician office21D0219057
- Charlestown Care CenterCertificate of Waiver, Skilled nursing or nursing facility21D0703872
- Charlestown Employee Health and Wellness CenterCertificate of Waiver, Home health agency21D0894633
- Chesapeake Digestive AssociatesCertificate of Accreditation, Physician office21D0682052
- Dermatology Partners- CatonsvilleCertificate of Registration, Physician office21D2342229
- Ehmg of MD Charlestown Medical CenterCertificate for Provider-Performed Microscopy Procedures, Physician office21D0219018
Related
Questions
What is the CLIA number for Willoughby Pediatrics LLC in Catonsville?
21D2350816, per the CMS Provider of Services file posted October 16, 2026.
What CLIA certificate does Willoughby Pediatrics LLC hold?
A Certificate of Waiver, according to the CMS file.
When does CLIA 21D2350816 expire?
The CMS file lists September 15, 2028 as the certificate expiration date; the certificate took effect September 16, 2026.