
Medical Registration Verified
Dr. Diana Yao is a General Physician,Gastroenterologist and Internal Medicine in Long Beach 90808, Long Beach CA and has an experience of 31 years in these fields. Dr. Diana Yao practices at Unavail in Long Beach 90808, Long Beach CA and Office in Huntington Beach 92647, Huntington Beach CA. Some of the services provided by the doctor are: Dehydration,Gastroesophageal Reflux Disease (GERD),Colon Polyp,Intestinal Prolapse and Duodenal Polypectomy etc.
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116 Surgeries & Treatments

Wireless pH Testing

VAP Lipid Testing

Ultrasound, Esophageal

Ultrasound, Endoanal
Screening Colonoscopy

Rigid Proctosigmoidoscopy

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

pH Probe

Percutaneous Edoscopic Gastrostomy (PEG)

Manometry