CLIA lab
CLIA 42D1015043: David Seignious MD LLC
Johns Island, SC. Certificate and address details from the CMS Provider of Services file for clinical laboratories.
CLIA number 42D1015043 belongs to David Seignious MD LLC in Johns Island, SC.
Certificate of Waiver, effective July 22, 2025, expires July 21, 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
- July 22, 2025
- Certificate expiration
- July 21, 2027
- Status in the CMS file
- Active (termination code 00)
- Original participation date
- July 22, 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
- 42D1015043
- Lab name
- David Seignious MD LLC
- Address
- 3312 Maybank Higway, Suite A, Johns Island, SC 29455
- Phone
- (843) 557-1111
- Fax
- (843) 557-1050
Annual test volume the lab reported
- Waived tests
- 1,500
Volumes are what the lab reported to CMS on its CMS-116 application, as carried in the file.
Other labs in Johns Island, SC
- Angel Oak Family Medicine LLCCertificate of Waiver, Community clinic42D0995075
- Angel Oak PediatricsCertificate of Waiver, Physician office42D2298461
- Barrier Islands Free Medical ClinicCertificate of Waiver, Rural health clinic42D2169986
- Charleston Direct Primary CareCertificate of Registration, Physician office42D2323822
- Dayspring of Johns IslandCertificate of Waiver, Assisted living facility42D2110154
- Forefront Dermatology, SCCertificate of Compliance, Physician office42D2288627
- John's Island Family Health CenterCertificate for Provider-Performed Microscopy Procedures, Federally qualified health center42D1086619
- Johns Island Post Acute, LLCCertificate of Waiver, Skilled nursing or nursing facility42D0875669
- Johns Island Urgent CareCertificate of Registration, Physician office42D2323824
- Musc Health Primary Care - MaybankCertificate of Waiver, Physician office42D2327311
Related
Questions
What is the CLIA number for David Seignious MD LLC in Johns Island?
42D1015043, per the CMS Provider of Services file posted October 16, 2026.
What CLIA certificate does David Seignious MD LLC hold?
A Certificate of Waiver, according to the CMS file.
When does CLIA 42D1015043 expire?
The CMS file lists July 21, 2027 as the certificate expiration date; the certificate took effect July 22, 2025.