CLIA lab
CLIA 21D2212398: A1 In-Home Primary Care, LLC
Baltimore, MD. Certificate and address details from the CMS Provider of Services file for clinical laboratories.
CLIA number 21D2212398 belongs to A1 In-Home Primary Care, LLC in Baltimore, MD.
Certificate of Waiver, effective April 15, 2025, expires April 14, 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
- April 15, 2025
- Certificate expiration
- April 14, 2027
- Status in the CMS file
- Active (termination code 00)
- Original participation date
- February 4, 2021
- Facility type
- Other practitioner
- 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
- 21D2212398
- Lab name
- A1 In-Home Primary Care, LLC
- Address
- 1120 N Charles St #109, Baltimore, MD 21201
- Phone
- (443) 345-6009
- Fax
- (877) 720-3447
Annual test volume the lab reported
- Waived tests
- 50
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 A1 In-Home Primary Care, LLC in Baltimore?
21D2212398, per the CMS Provider of Services file posted October 16, 2026.
What CLIA certificate does A1 In-Home Primary Care, LLC hold?
A Certificate of Waiver, according to the CMS file.
When does CLIA 21D2212398 expire?
The CMS file lists April 14, 2027 as the certificate expiration date; the certificate took effect April 15, 2025.