Hellen Chiao, MDMatthew Eric Viernes, MDMark Y. Johnson, MDAdrianne LaJoie, MDJanki Patel, MDSteven DiLauro, MDJohn Duque, MDGregory J. Wiener, MDTarek I. Hassanein, MDRobert H. Goldklang, MD

Mark Y. Johnson, MD

Mark Y. Johnson, MD
*Hospital based provider only* Dr. Mark Johnson received his undergraduate degree from the University of Washington.  He attended medical school at George Washington University. Dr. Johnson then completed his residency in internal medicine at LAC-USC Medical Center; in addition he was a chief resident there.  His postgraduate training continued at the University of California at…
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Adrianne LaJoie, MD

Adrianne LaJoie, MD
Dr. LaJoie received her undergraduate degree  at the University of Miami and completed her premedical studies at UC San Diego. She then attended the Keck School of Medicine at USC in Los Angeles, California. After graduating as a Dean's Scholar, she completed her Internal Medicine residency and Gastroenterology fellowship at Scripps Clinc and Research Institute in La Jolla,…
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Janki Patel, MD

Janki Patel, MD
Dr. Patel graduated magna cum laude from UC Davis with honors in biochemistry and molecular biology. She attended UC San Diego for medical school and thereafter, completed her internal medicine residency and gastroenterology fellowship at UCSD. She has been practicing gastroenterology in the San Diego area since then. Dr. Patel is interested in all aspects of…
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Steven DiLauro, MD

Steven DiLauro, MD
Dr. Steven DiLauro is board certified in Internal Medicine and Gastroenterology.  He was raised in Carlsbad and graduated from San Dieguito High School.  Dr. DiLauro received his undergraduate degree in Physiological Sciences at UCLA and his medical degree from Michigan State University in East Lansing.  He completed residency training in internal medicine at the University of…
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John Duque, MD

John Duque, MD
Dr. Duque has been practicing medicine since 1988 and was board certified in Internal Medicine in 1984. He was also board certified in Gastroenterology in 1989. Dr. Duque received his medical degree from the University of CA at San Diego in 1981. He served his internship specializing in Medicine at the University of CA at…
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Gregory J. Wiener, MD

Gregory J. Wiener, MD
“I provide my patients the latest in state-of-the-art care, medications and treatment options.” I provide consultations on all special procedures and therapy for digestive ailments and diseases. I offer state-of-the-art diagnostic and therapeutic endoscopy, colonoscopy, hemorrhoid ligation and GERD testing. I also manage most gastroenterology conditions such as heartburn, constipation, diarrhea, IBS, colitis, swallowing problems,…
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Tarek I. Hassanein, MD

Tarek I. Hassanein, MD
Tarek Hassanein, MD, FACP, FACG, AGAF, FAASLD, is board-certified in Internal Medicine, Gastroenterology, and Transplant Hepatology. Dr. Hassanein specializes in treating viral hepatitis, fatty liver disease and cirrhosis, and in caring for patients before and after liver transplantation.
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