
Overview
Dr. John G. Lee is a UCI Health gastroenterologist who specializes in the diagnosis and treatment of disorders of the pancreas and biliary tract using minimally invasive techniques, including interventional endoscopic ultrasound (EUS) and endoscopic retrograde cholangiopancreatography (ERCP).Lee also is skilled in the treatment of gastrointestinal bleeding and the removal of difficult and large colonic polyps. He is involved in the research of outcomes of gastrointestinal endoscopy and is the author of numerous publications.Lee earned his medical degree from the University of Miami’s Miller School of Medicine in Miami, Fla. He completed an internship in internal medicine at Jackson Memorial Hospital in Miami, followed by an internal medicine residency at Wadsworth VA Medical Center in Los Angeles. He completed a fellowship in gastroenterology at Duke University School of Medicine in Durham, N.C. Before coming to UC Irvine Medical Center, he was an associate professor at UC Davis School of Medicine.Although Dr. Lee's primary patient base is adult, he performs endoscopic retrograde cholangiopancreatography (ECRP) on pediatric patients.
Dr. Lee is highly rated in 45 conditions, according to our data. His clinical expertise encompasses Jaundice, Cholestasis, Bile Duct Stricture, Endoscopy, and Pancreatectomy.
Dr. Lee is board certified in American Board Of Internal Medicine - Gastroenterology. He is actively involved in clinical research, co-authoring 53 peer reviewed articles.
Specialties
Licenses
Board Certifications
Fellowships
Hospital Affiliations
Languages Spoken
Gender
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- MEDICARE MAPD
- MEDICARE SNP
- OTHER MEDICARE
- OTHER MEDICARE PART D
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- EPO
- INSURANCE PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER COMMERCIAL
- OTHER MEDICARE
- PPO
- HMO
- POS
- PPO
- EPO
- HMO
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
Accepted plan types not found. Please verify directly with the provider.
- HMO
- INDEMNITY
- POS
- PPO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER MEDICARE
- POS
- PPO
- OTHER MANAGED MEDICAID
- OTHER MEDICAID
- STATE MEDICAID
- HMO
- PPO
- INSURANCE PLAN
- INSURANCE PLAN
- MEDICARE MAPD
- OTHER COMMERCIAL
- PPO
- INSURANCE PLAN
- MEDICARE MAPD
- HMO
- POS
- OTHER COMMERCIAL
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
101 The City Drive South, Orange, CA 92868
1 Medical Plaza Drive, Irvine, CA 92697
Additional Areas of Focus
Dr. Lee has provided the following conditions as areas of focus. Please note that we may not have enough data to validate their experience in some of these conditions.
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
UCI Health Chao Family Comprehensive Digestive Disease Center
Dr. Jason Samarasena is a UCI Health physician who specializes in treating gastrointestinal disorders, including gastroesophageal reflux disease, esophageal disease, pancreatic cysts, biliary tract disorders, gastric intestinal metaplasia and colorectal cancer.His research interests include advanced endoscopic imaging, characterization and treatment of pancreatic cysts, confocal laser endomicroscopy, bowel preparation before colonoscopy, endoscopic mucosal resection and endoscopic submucosal dissection.Samarasena received his medical degree from Memorial University of Newfoundland, Canada, where he graduated on the Dean’s List. He completed both general gastroenterology and interventional endoscopy fellowships at UC Irvine.Press Ganey has named Samarasena as one of the top five physicians for patient satisfaction in the ambulatory surgery group at UCI Health. He was named the 2016 Teaching Attending of the Year by the UC Irvine Gastroenterology Fellowship. He is the current president of the Orange County GI Society.Nickname: Dr. Sam. Dr. Samarasena is highly rated in 50 conditions, according to our data. His clinical expertise encompasses Barrett Esophagus, Jaundice, Gastroesophageal Reflux Disease (GERD), Endoscopy, and Colonoscopy. Dr. Samarasena is board certified in American Board Of Internal Medicine - Gastroenterology.
Los Angeles-Gi Liver Clinic
Norah Terrault is a Gastroenterologist practicing medicine in Los Angeles, California. Dr. Terrault is highly rated in 23 conditions, according to our data. Her clinical expertise encompasses Hepatitis, Hepatitis C, Hepatitis B, Liver Transplant, and Hepato-Pancreato-Biliary Surgery.
Los Angeles-Gi Liver Clinic
James Buxbaum is a Gastroenterologist practicing medicine in Los Angeles, California. Dr. Buxbaum is highly rated in 42 conditions, according to our data. His clinical expertise encompasses Acute Pancreatitis, Hereditary Pancreatitis, Bile Duct Obstruction, Endoscopy, and Lithotripsy.
Frequently Asked Questions about Dr. John G. Lee
Is Dr. John G. Lee a top-rated expert for Jaundice?
MediFind is an objective health platform that identifies experts based on real-world data. Dr. John G. Lee is classified as an Distinguished expert for Jaundice, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.
What conditions does Dr. John G. Lee specialize in?
While Dr. John G. Lee is a Gastroenterology, they have specific expertise in Jaundice, Cholestasis, and Bile Duct Stricture. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Gastroenterology.
Does Dr. John G. Lee participate in research or clinical trials?
Yes. Dr. John G. Lee has published 53 articles and abstracts on conditions like Jaundice. You can view a list of Dr. John G. Lee's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.
Does Dr. John G. Lee accept my insurance?
Dr. John G. Lee accepts most major insurance plans, including Aetna and Alignment Health Plan. We recommend calling the office directly to verify that your specific plan is currently accepted before your visit.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Distinguished
- Acute PancreatitisDr. Lee isDistinguished. Learn about Acute Pancreatitis.
- Ampullary CancerDr. Lee isDistinguished. Learn about Ampullary Cancer.
- Bile Duct ObstructionDr. Lee isDistinguished. Learn about Bile Duct Obstruction.
- Bile Duct StrictureDr. Lee isDistinguished. Learn about Bile Duct Stricture.
- Childhood PancreatitisDr. Lee isDistinguished. Learn about Childhood Pancreatitis.
- Childhood VolvulusDr. Lee isDistinguished. Learn about Childhood Volvulus.
- CholedocholithiasisDr. Lee isDistinguished. Learn about Choledocholithiasis.
- CholestasisDr. Lee isDistinguished. Learn about Cholestasis.
- EndoscopyDr. Lee isDistinguished. Learn about Endoscopy.
- Familial Pancreatic CancerDr. Lee isDistinguished. Learn about Familial Pancreatic Cancer.
- Gallbladder DiseaseDr. Lee isDistinguished. Learn about Gallbladder Disease.
- GallstonesDr. Lee isDistinguished. Learn about Gallstones.
- Hereditary PancreatitisDr. Lee isDistinguished. Learn about Hereditary Pancreatitis.
- JaundiceDr. Lee isDistinguished. Learn about Jaundice.
- Pancreatic CancerDr. Lee isDistinguished. Learn about Pancreatic Cancer.
- Pancreatic PseudocystDr. Lee isDistinguished. Learn about Pancreatic Pseudocyst.
- Portal HypertensionDr. Lee isDistinguished. Learn about Portal Hypertension.
- Stomach CancerDr. Lee isDistinguished. Learn about Stomach Cancer.
- VisceromegalyDr. Lee isDistinguished. Learn about Visceromegaly.
- Advanced
- Arteriovenous MalformationDr. Lee isAdvanced. Learn about Arteriovenous Malformation.
- Benign Esophageal StrictureDr. Lee isAdvanced. Learn about Benign Esophageal Stricture.
- Cholangiocarcinoma (Bile Duct Cancer)
- CholangitisDr. Lee isAdvanced. Learn about Cholangitis.
- Chronic PancreatitisDr. Lee isAdvanced. Learn about Chronic Pancreatitis.
- CirrhosisDr. Lee isAdvanced. Learn about Cirrhosis.
- Enlarged LiverDr. Lee isAdvanced. Learn about Enlarged Liver.
- Esophageal VaricesDr. Lee isAdvanced. Learn about Esophageal Varices.
- Familial Adenomatous Polyposis
- Gardner SyndromeDr. Lee isAdvanced. Learn about Gardner Syndrome.
- Gastrointestinal FistulaDr. Lee isAdvanced. Learn about Gastrointestinal Fistula.
- Gastrointestinal Stromal Tumor
- IndigestionDr. Lee isAdvanced. Learn about Indigestion.
- InsulinomaDr. Lee isAdvanced. Learn about Insulinoma.
- Intestinal CancerDr. Lee isAdvanced. Learn about Intestinal Cancer.
- Intestinal LeiomyomaDr. Lee isAdvanced. Learn about Intestinal Leiomyoma.
- Lower Esophageal RingDr. Lee isAdvanced. Learn about Lower Esophageal Ring.
- Neuroendocrine TumorDr. Lee isAdvanced. Learn about Neuroendocrine Tumor.
- Neuroma Biliary TractDr. Lee isAdvanced. Learn about Neuroma Biliary Tract.
- PancreatectomyDr. Lee isAdvanced. Learn about Pancreatectomy.
- Pancreatic AdenomaDr. Lee isAdvanced. Learn about Pancreatic Adenoma.
- Progressive Familial Intrahepatic Cholestasis Type 1
- Progressive Familial Intrahepatic Cholestasis Type 2
- Progressive Familial Intrahepatic Cholestasis Type 3
- Sclerosing CholangitisDr. Lee isAdvanced. Learn about Sclerosing Cholangitis.
- Turcot SyndromeDr. Lee isAdvanced. Learn about Turcot Syndrome.
- Experienced
- AchalasiaDr. Lee isExperienced. Learn about Achalasia.
- AnemiaDr. Lee isExperienced. Learn about Anemia.
- Angiodysplasia of the ColonDr. Lee isExperienced. Learn about Angiodysplasia of the Colon.
- AscitesDr. Lee isExperienced. Learn about Ascites.
- Attenuated Familial Adenomatous Polyposis
- Banti's SyndromeDr. Lee isExperienced. Learn about Banti's Syndrome.
- Barrett EsophagusDr. Lee isExperienced. Learn about Barrett Esophagus.
- Bile Duct CystsDr. Lee isExperienced. Learn about Bile Duct Cysts.
- Biliary DyskinesiaDr. Lee isExperienced. Learn about Biliary Dyskinesia.
- Biliary HypoplasiaDr. Lee isExperienced. Learn about Biliary Hypoplasia.
- Bone Marrow AspirationDr. Lee isExperienced. Learn about Bone Marrow Aspiration.
- Bowel IncontinenceDr. Lee isExperienced. Learn about Bowel Incontinence.
- Chronic Erosive GastritisDr. Lee isExperienced. Learn about Chronic Erosive Gastritis.
- ColitisDr. Lee isExperienced. Learn about Colitis.
- Colonic MalakoplakiaDr. Lee isExperienced. Learn about Colonic Malakoplakia.
- ColonoscopyDr. Lee isExperienced. Learn about Colonoscopy.
- Colorectal CancerDr. Lee isExperienced. Learn about Colorectal Cancer.
- Colorectal PolypsDr. Lee isExperienced. Learn about Colorectal Polyps.
- Congenital Diaphragmatic HerniaDr. Lee isExperienced. Learn about Congenital Diaphragmatic Hernia.
- Cronkhite-Canada DiseaseDr. Lee isExperienced. Learn about Cronkhite-Canada Disease.
- DICER1 SyndromeDr. Lee isExperienced. Learn about DICER1 Syndrome.
- Diverticular DiseaseDr. Lee isExperienced. Learn about Diverticular Disease.
- EncopresisDr. Lee isExperienced. Learn about Encopresis.
- Esophageal CancerDr. Lee isExperienced. Learn about Esophageal Cancer.
- EsophagitisDr. Lee isExperienced. Learn about Esophagitis.
- Familial Colorectal CancerDr. Lee isExperienced. Learn about Familial Colorectal Cancer.
- Fibrolamellar CarcinomaDr. Lee isExperienced. Learn about Fibrolamellar Carcinoma.
- Gallbladder AdenocarcinomaDr. Lee isExperienced. Learn about Gallbladder Adenocarcinoma.
- GastrectomyDr. Lee isExperienced. Learn about Gastrectomy.
- Gastroesophageal Reflux Disease (GERD)
- Gastrointestinal BleedingDr. Lee isExperienced. Learn about Gastrointestinal Bleeding.
- GastrostomyDr. Lee isExperienced. Learn about Gastrostomy.
- GlucagonomaDr. Lee isExperienced. Learn about Glucagonoma.
- Hiatal HerniaDr. Lee isExperienced. Learn about Hiatal Hernia.
- Intestinal Pseudo-ObstructionDr. Lee isExperienced. Learn about Intestinal Pseudo-Obstruction.
- Juvenile Polyposis SyndromeDr. Lee isExperienced. Learn about Juvenile Polyposis Syndrome.
- LithotripsyDr. Lee isExperienced. Learn about Lithotripsy.
- MacroamylasemiaDr. Lee isExperienced. Learn about Macroamylasemia.
- Morning SicknessDr. Lee isExperienced. Learn about Morning Sickness.
- ObesityDr. Lee isExperienced. Learn about Obesity.
- Painful SwallowingDr. Lee isExperienced. Learn about Painful Swallowing.
- Pancreatic Islet Cell TumorDr. Lee isExperienced. Learn about Pancreatic Islet Cell Tumor.
- PancreaticoduodenectomyDr. Lee isExperienced. Learn about Pancreaticoduodenectomy.
- ProctitisDr. Lee isExperienced. Learn about Proctitis.
- Squamous Cell Carcinoma of the Anal Canal (SCAC)
- Stent PlacementDr. Lee isExperienced. Learn about Stent Placement.
- Swallowing DifficultyDr. Lee isExperienced. Learn about Swallowing Difficulty.
- Ulcerative ColitisDr. Lee isExperienced. Learn about Ulcerative Colitis.
- Viral GastroenteritisDr. Lee isExperienced. Learn about Viral Gastroenteritis.
- Watermelon StomachDr. Lee isExperienced. Learn about Watermelon Stomach.
