
Medical Registration Verified
Dr. Andrea Tieng is a General Physician,Gastroenterologist and Hepatologist in San Bernardino 92404, San Bernardino CA and has an experience of 21 years in these fields. Dr. Andrea Tieng practices at St. Bernardine Medical Center in San Bernardino 92404, San Bernardino CA and Andrea Tieng MD Inc. in Rancho Cucamonga 91730, Rancho Cucamonga CA. Some of the services provided by the doctor are: Rigid Proctosigmoidoscopy,celiac disease,Gallstones,Upper Digestive Tract Cancer and Sigmoidoscopy etc.
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114 Surgeries & Treatments

Wireless pH Testing

VAP Lipid Testing

Ultrasound, Esophageal

Ultrasound, Endoanal
Sigmoidoscopy
Screening Colonoscopy

Rigid Proctosigmoidoscopy

Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)

pH Probe

Manometry