
Medical School
Dr. John Lee is a Gastroenterologist in Orange 92868, Orange CA and has an experience of 36 years in this field. Dr. John Lee practices at Office in Orange 92868, Orange CA,Office in Orange 92868, Orange CA and ZAK DENTAL CORP in Long Beach 90807, Long Beach CA. He completed Medical School from University of Miami Miller School of Medicine in 1987. Some of the services provided by the doctor are: Gastroesophageal Reflux Disease (GERD),Heartburn,Retroperitoneum Cancer,Diffuse Esophageal Spasm and Congenital Anomaly Intestine etc.
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147 Surgeries & Treatments

Wireless pH Testing

VAP Lipid Testing

Ultrasound, Esophageal

Ultrasound, Endoanal

Transendoscopic Stent Placement
Sigmoidoscopy
Screening Colonoscopy

Rigid Proctosigmoidoscopy

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

pH Probe