
Medical Registration Verified
Dr. Samuel Willis Jr is a General Physician,Gastroenterologist and Internal Medicine in Columbia 29204, Columbia SC and has an experience of 41 years in these fields. Dr. Samuel Willis Jr practices at Columbia Gastroenterology Associates PA in Columbia 29204, Columbia SC and Columbia Gastroenterology Associates in Columbia 29212, Columbia SC. Some of the services provided by the doctor are: Nausea,Crohn's Disease,Barrett's Esophagus,Malnutrition and Esophageal Varices etc.
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91 Surgeries & Treatments

Wireless pH Testing

VAP Lipid Testing

Ultrasound, Esophageal

Ultrasound, Endoanal
Screening Colonoscopy

Rigid Proctosigmoidoscopy

pH Probe

Manometry

Liver Function Test

liver biopsy