National City

655 Euclid Ave Suite 303  |  National City, CA 91950

Phone 619-475-4900  |  Fax 619-475-8373

Juan Calderon, M.D.
Dr. Calderon Molina joined Balboa Nephrology Medical Group in 2016. He practices in the National City area; specializing in the management of chronic kidney disease with an emphasis on diabetic kidney disease and glomerular diseases. Dr. Calderon Molina’s practice includes the management of hemodialysis patients at both FMC and DaVita Dialysis units.

Dr. Calderon Molina attended medical school at the Pontificia Universidad Javeriana School of Medicine in Bogotá, Colombia, where he obtained his Doctor of Medicine degree. Dr. Calderon Molina completed both his Internal Medicine Residency and Nephrology Fellowship training at the Yale New Haven Hospital/Yale School of Medicine in New Haven, Connecticut. Dr. Calderon Molina is also a Fellow of the American Society of Nephrology (FASN). Dr. Calderon Molina is interested in quality outcomes and patient experience satisfaction.

Dr. Calderon Molina enjoys sports like tennis and soccer in his spare time and he is learning to play piano.
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Fharak Maa Chip, M.D.
Dr. Maa joined Balboa Nephrology Medical Group in 2014. He practices in the National City area; specializing in kidney diseases which includes hemodialysis patients at both FMC and DaVita Dialysis units.

Dr. Maa attended medical school at Universidad Autonoma de Baja California in Mexicali where he obtained his Doctor of Medicine degree. After completing his residency at Alameda County Medical Center, he completed his Nephrology fellowship at UCLA Harbor Medical Center.
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Tagumpay Sacamay, M.D.
Dr. Sacamay joined Balboa Nephrology Medical Group in 1997. He practices in the National City area; specializing in kidney diseases which includes hemodialysis patients at both FMC and DaVita Dialysis units.

Dr. Sacamay attended medical school at the University of Santo Tomas in Manila, Philippines. After completing his residency at Maimonides Medical Center in New York, he went on to complete his Nephrology fellowship training at the University of Virginia.
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