HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / SC

JOHN DAVID WILLIAMSON, MD

FAMILY PRACTICE

Medical school: MEDICAL UNIVERSITY OF SOUTH CAROLINA COLLEGE OF MEDICINE

Graduated: 2006

NPI: 1043308661

Practice Locations (2)

24 ON PHYSICIANS OF SC LLC

2095 HENRY TECKLENBURG DR

CHARLESTON, SC 294145733

8434021006

24 ON PHYSICIANS OF SC LLC

316 CALHOUN ST

CHARLESTON, SC 294011113

8437242901

Source: CMS National Downloadable File, September 2026.

JOHN WILLIAMSON, MD | HealthCareAtlasUSA