CLIA lab
CLIA 21D1020556: Preston Family Physicians
Preston, MD. Certificate and address details from the CMS Provider of Services file for clinical laboratories.
CLIA number 21D1020556 belongs to Preston Family Physicians in Preston, MD.
Certificate of Waiver, effective December 23, 2025, expires December 22, 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
- December 23, 2025
- Certificate expiration
- December 22, 2027
- Status in the CMS file
- Active (termination code 00)
- Original participation date
- December 23, 2003
- 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
- 21D1020556
- Lab name
- Preston Family Physicians
- Address
- 3683 Choptank Road, Preston, MD 21655
- Phone
- (410) 673-1690
- Fax
- (410) 673-1692
Annual test volume the lab reported
- Waived tests
- 900
Volumes are what the lab reported to CMS on its CMS-116 application, as carried in the file.
Related
Questions
What is the CLIA number for Preston Family Physicians in Preston?
21D1020556, per the CMS Provider of Services file posted October 16, 2026.
What CLIA certificate does Preston Family Physicians hold?
A Certificate of Waiver, according to the CMS file.
When does CLIA 21D1020556 expire?
The CMS file lists December 22, 2027 as the certificate expiration date; the certificate took effect December 23, 2025.