Angela A. Chang, MDJohn Davidson, DPMSonia Ponce, MDJill M. Meyer, MDJohn S. Videen, MDAdam K. Horeish, MDKathy Khaing, MDRicardo Soltero, MDElizabeth Lozada-Pastorio, MDGregory J. Wiener, MD

Angela A. Chang, MD

Angela A. Chang, MD
Dr. Chang received her medical degree at the University of California, Los Angeles School of Medicine.  She continued her medical training by completing her residency in Otolaryngology, Head and Neck Surgery at the University of California, San Diego. Dr. Chang’s extensive knowledge and training in otolaryngology and head and neck surgery allows her to treat…
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John Davidson, DPM

John Davidson, DPM
Dr. John 'Jack' Davidson III is a native San Diegan, born and raised in La Jolla. He earned his bachelor's degree in Cellular and Molecular Biology with a minor in Psychology from San Diego State University. He then went on to graduate with his Doctorate in Podiatric Medicine from the California School of Podiatric Medicine…
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Jill M. Meyer, MD

Jill M. Meyer, MD
Dr. Meyer joined Balboa Nephrology Medical Group in 2009. She practices in the Chula Vista area; specializing in kidney diseases which includes hemodialysis patients at both FMC and DaVita Dialysis units. Dr. Meyer attended medical school at the American University of the Caribbean in Coral Gables, Florida, where she obtained her Doctor of Medicine degree.…
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John S. Videen, MD

John S. Videen, MD
Dr. Videen joined Balboa Nephrology Medical Group in 2011. He practices in the Chula Vista area; specializing in kidney diseases which includes hemodialysis patients at both FMC and DaVita Dialysis units. Dr. Videen attended medical school at the University of Arizona where he obtained his Doctor of Medicine degree. He completed both his residency and…
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Adam K. Horeish, MD

Adam K. Horeish, MD
Dr. Horeish joined Balboa Nephrology Medical Group in 2015. He practices in the Chula Vista area; specializing in kidney diseases which includes hemodialysis patients at both FMC and DaVita Dialysis units. Dr. Horeish attended medical school at Ross University School of Medicine where he obtained his Doctor of Medicine degree. After completing his residency at…
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Kathy Khaing, MD

Kathy Khaing, MD
Dr. Khaing joined Balboa Nephrology Medical Group in 2018. She practices in the Chula Vista area; specializing in kidney diseases which include hemodialysis and Peritoneal dialysis patients at both Fresenius and DaVita Dialysis units. Dr. Khaing attended medical school at University of Medicine 1 Yangon where she obtained her Medicine degree in 2006.She completed her…
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Ricardo Soltero, MD

Ricardo Soltero, MD
Dr. Soltero joined Balboa Nephrology Medical Group in 2003. He practices in the Chula Vista area; specializing in kidney diseases which includes hemodialysis patients at both FMC.
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Elizabeth Lozada-Pastorio, MD

Elizabeth Lozada-Pastorio, MD
Dr. Lozada joined Balboa Nephrology Medical Group in 2005. She practices in the Chula Vista area; specializing in kidney diseases which includes hemodialysis patients at both FMC and DaVita Dialysis units. Dr. Lozada attended medical school at the University of California Los Angeles where she obtained her Doctor of Medicine degree. She completed both her…
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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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