Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

David Seignious, MD

Individual provider Internal Medicine Physician · NPI 1891726287

David Seignious, MD is an Internal Medicine in Johns Island, South Carolina. Graduated from Medical University of South Carolina College of Medicine in 1984, 42 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in South Carolina.

Years since qualifying
42
Trained at
Medical University of South Carolina College of Medicine
Licensed in
SC
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3312 Maybank Hwy Ste A
Johns Island, SC 29455-4818
Phone: (843) 557-1111
Fax: (843) 557-1050
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 13235 (SC)

Record details

NPI number1891726287
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 5, 2006
Last updated in NPPESApril 10, 2012

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolMEDICAL UNIVERSITY OF SOUTH CAROLINA COLLEGE OF MEDICINE
Graduated 1984 (42 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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