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Sang Yong Ji, MD, is a board-certified adult cardiologist and cardiac electrophysiologist at COR Healthcare in Torrance, California. His board certification also includes internal medicine, nuclear cardiology, and echocardiography.

Dr. Ji was born in South Korea and moved to Paraguay during his junior high school year. He earned his medical degree from Asunción National University, Paraguay. He then moved to New York City to complete internal medicine residency and cardiology fellowship at Albert Einstein College of Medicine before completing a cardiac electrophysiology fellowship at Johns Hopkins Hospital in Baltimore, Maryland. He graduated as the Best Resident of the year and with Program director's award & Chief of Division award from internal medicine residency program and cardiology fellowship program respectively. He also served as chief fellow at both Montefiore cardiology fellowship program and Johns Hopkins University cardiac electrophysiology fellowship program. He provides state of the art care including complex ablations for different arrhythmias and implantation of cardiac electronic devices. He shares his expertise by authoring numerous publications in highly respected scientific and medical journals. He continues to stay active as current Principal Investigator in several clinical research projects at Torrance Memorial Medical Center as well.

Dr. Ji is fluent in English, Spanish, and Korean. When he’s not treating patients, Dr. Ji enjoys spending time with his wife, who is an internal medicine physician and their four children.

Nadia Jafar Curran, MD, is a board-certified internist and cardiologist at COR Healthcare Medical Associates. She specializes in women’s cardiovascular disease, general cardiology, echocardiography, and nuclear cardiology.

Dr. Curran earned her medical degree from New York University School of Medicine, where she received the Gilda Lipton Memorial Award for compassionate care and was inducted into the Alpha Omega Alpha Honor Medical Society. She then moved to San Francisco to complete her internal medicine residency and cardiology fellowship at the University of California, San Francisco (UCSF). During her training, Dr. Curran developed a curriculum that focused on women’s heart disease while researching lifestyle interventions in postpartum women with pregnancy complications. This research resulted in multiple presentations and publications, and informed the most recent guidelines on adverse pregnancy outcomes and cardiovascular disease.

Dr. Curran is excited to join COR Healthcare Medical Associates and brings her expertise in the diagnosis and treatment of cardiovascular conditions, including risk factor assessment, prevention, microvascular dysfunction, coronary artery disease, spontaneous coronary artery dissection (SCAD), valvular heart disease, heart failure and cardiomyopathies, preconception counseling, and pregnancy-related heart health.

When she is not taking care of patients, Dr. Curran enjoys spending time with her husband and exploring all that the South Bay has to offer, including swimming, surfing, and great dining.

James Matchison, MD, is an experienced physician at COR Healthcare Medical Associates who holds board certifications in internal medicine, interventional cardiology, adult cardiovascular disease, and adult comprehensive echocardiography. With a broad range of experience, Dr. Matchison is proud to serve the communities of Torrance and Redondo Beach, California.

Dr. Matchison earned his undergraduate degree from the University of Arizona in Tucson, before attending Ohio State University College of Medicine and Public Health in his hometown of Columbus, Ohio. He later completed his residency at Harbor-UCLA Medical Center in Torrance, California, and a general cardiology and interventional cardiology fellowship at Kaiser Permanente Los Angeles Medical Center in Los Angeles.

As an experienced cardiologist, Dr. Matchison specializes in the management of advanced cardiac disease, cardiac catheterization, coronary stent placement,  echocardiography, transcatheter aortic valve replacement (TAVR), and stress echocardiography.

He stays up-to-date with the latest treatments and is a member of the American Society of Cardiology and American Society of Echocardiography. Dr. Matchison has practiced in the South Bay area since 2012. Outside of work, he enjoys spending time with his family outdoors and exercising.

Gene Kim, MD, is a board-certified cardiologist at COR Healthcare Medical Associates in Los Angeles. At the practice’s locations in Torrance and Manhattan Beach, California, he treats patients of all ages and specializes in cardiac electrophysiology, general cardiology, interventional cardiology, and adult congenital heart disease.

Dr. Kim earned his medical degree at Brown University in Providence, Rhode Island, before moving to California to complete an internal medicine residency at Los Angeles County+USC Medical Center. Dr. Kim continued his advanced medical training with fellowships in cardiology at Harbor-UCLA Medical Center in West Carson, California, and cardiac electrophysiology at the Good Samaritan Hospital in Los Angeles and Harbor-UCLA Medical Center.

He maintains certification in both cardiovascular disease and clinical cardiac electrophysiology by the American Board of Internal Medicine. He is fluent in English and Korean.

When he’s not diagnosing and treating patients with heart issues, Dr. Kim and his wife enjoy spending time with their two young sons and participating in all types of sports.

Ankush Chhabra, MD, is a board-certified internist and cardiologist at COR Healthcare Medical Associates in Los Angeles. At the practice in Torrance and Manhattan Beach, California, he specializes in cardiovascular disease, nuclear cardiology, and peripheral vascular cardiology. 

Dr. Chhabra earned his medical degree at Vanderbilt University School of Medicine in Nashville, Tennessee, before moving to Michigan for his internal medicine residency, which he completed at the University of Michigan in Ann Arbor. Dr. Chhabra received advanced training at the University of California, Los Angeles (UCLA), completing a cardiology fellowship in 2004 and an interventional cardiology fellowship in 2005. Wanting to offer patients the highest level of care possible, Dr. Chhabra also completed a peripheral vascular fellowship through Harvard University at Massachusetts General Hospital in Boston in 2006.

Dr. Chhabra speaks English and Hindi.

When he’s not caring for patients at COR Healthcare Medical Associates, Dr. Chhabra enjoys reading about the history of the United States presidency, as well as traveling and playing tennis.

Wilson Kwan, MD, MS, is a board-certified internist and cardiologist at COR Healthcare Medical Associates. He specializes in general cardiology and advanced imaging. 

Dr. Kwan earned his medical doctorate at the Keck School of Medicine of USC. He completed his internal medicine residency and cardiovascular disease fellowship at LAC+USC Medical Center / Keck Hospital of USC. 

He has been certified by the American Board of Internal Medicine and Cardiovascular Disease in addition to subspecialty boards of Echocardiography, Cardiovascular CT, Nuclear Cardiology, and Vascular Interpretation. Dr. Kwan has authored multiple peer-reviewed publications in medical and basic science journals as well as contributed to several book chapters. 

Dr. Kwan is fluent in English and Mandarin and proficient in conversational Spanish. 

A SoCal native, Dr. Kwan enjoys fishing, freediving, tennis, basketball, and gardening. He is also an avid traveler and aspiring home chef. 

Salman Azam, MD, is a board-certified internist and cardiologist at COR Healthcare Medical Associates in Los Angeles. He currently sees patients at the Torrance and Redondo Beach, California, offices, where he specializes in structural heart disease and interventional cardiology diagnosis and treatment for patients of all ages.

Dr. Azam earned his medical degree from Wayne State University School of Medicine in Detroit, Michigan. After earning his medical degree, he moved to Colorado to complete an advanced interventional cardiology fellowship at the University of Colorado in Denver, and the Swedish Medical Center in Seattle, WA. 

To ensure he stays up-to-date with the latest advances in treatments, Dr. Azam is board-certified in internal medicine, cardiovascular disease, and interventional cardiology. For the convenience of his patients, Dr. Azam speaks Hindi and English.

When not treating patients at COR Healthcare Medical Associates, Dr. Azam enjoys spending time with his wife and young children, playing sports, and going to the beach.

Gaurav Banka, MD, is a board-certified cardiologist with a wide range of experience in both cardiology and internal medicine. Dr. Banka is proud to bring integrative care to the communities of Los Angeles at COR Healthcare Medical Associates in Torrance and Redondo Beach, California.

A longtime academic, Dr. Banka graduated with honors in biology and health policy from Harvard University. Before attending Stanford University School of Medicine, he spent a year building the Indian government's healthcare system with the Clinton Foundation. He later completed his internal medicine residency and cardiology fellowship at the University of California, Los Angeles (UCLA) Ronald Reagan Medical Center. Dr. Banka is trained in all aspects of cardiology but specializes in cardiac imaging. He’s currently Director of Echo at Torrance Memorial Medical Center and part of the Department of Radiology, where he interprets cardiac CTs. He is board certified in internal medicine, cardiology, echo, CT, nuclear medicine, and certified in cardiac MRI. He has served on national guideline committees for cardiac care and has published over 20 research publications and presentations at international medical conferences.

With more than eight years of experience, Dr. Banka performs several services at COR Healthcare Medical Associates, including heart disease management, heart attack treatment, valvular disease, congestive heart failure, preventative cardiac care, and treatment for hypertension (high blood pressure) and high cholesterol.

When he isn’t working with patients, Dr. Banka loves playing saxophone and guitar and spending time with his wife and daughter.

Bruce Jackson, MD, is a board-certified cardiologist and internist at COR Healthcare Medical Associates in Los Angeles. At the practice’s location in Redondo Beach, California, he specializes in diagnosing and treating cardiovascular disease and has almost 50 years of experience. 

In addition to treating patients at COR Healthcare Medical Associates, Dr. Jackson is affiliated with several area hospitals, including Harbor-UCLA Medical Center in West Carson, California, and Providence Little Company of Mary Medical Center in Torrance, California. Dr. Jackson was also an Associate Clinical Professor of Medicine/Cardiology at Harbor UCLA for 20 years and an Assistant Clinical Professor of Nursing at UCLA for 8 years

Dr. Jackson earned his medical degree from the University of California, Los Angeles (UCLA) School of Medicine. He completed an internal medicine residency at the University of California, San Diego, and a cardiology fellowship at Harbor-UCLA Medical Center. Dr. Jackson speaks English and Spanish.

When’s he’s not treating patients, Dr. Jackson is a ham radio operator with an interest in near space balloon communications. He enjoys relaxing with his wife, Susan, and spending time with their 11 grandchildren.

A triple diplomate of the American Board of Internal Medicine, Matthew Ostrom, MD, is board-certified in clinical cardiac electrophysiology, cardiovascular disease, nuclear cardiology, and internal medicine. Dr. Ostrom, who has more than 15 years of experience, serves the Los Angeles communities of Torrance and Redondo Beach, California, at COR Healthcare Medical Associates.

Born and raised in Seattle, Dr. Ostrom received his Bachelor of Science in microbiology from the University of Washington in 1999. Throughout his undergraduate studies, Dr. Ostrom was actively involved in cardiovascular research at the university and at the local biotechnology company ZymoGenetics, Inc.

Shortly after graduating, Dr. Ostrom began his medical studies at Loyola University Chicago Stritch School of Medicine. He completed an internal medicine internship and residency through the University of California, Los Angeles (UCLA) system. In addition, Dr. Ostrom pursued cardiology and electrophysiology fellowships at Harbor-UCLA Medical Center in West Carson, California, and at Kaiser Permanente Los Angeles Medical Center in Los Angeles. He is a fellow of the American College of Cardiology and the Heart Rhythm Society. 

Today, Dr. Ostrom is a practicing electrophysiologist, specializing in catheter and device-based therapies in the treatment of complex arrhythmias, syncope, sudden cardiac death, and heart failure.

His research interests include the ablation of complex arrhythmias and device-based treatments for sudden cardiac death and congestive heart failure. Dr. Ostrom has authored or co-authored numerous articles in peer-reviewed cardiology and electrophysiology journals.

In addition to his work at COR Healthcare Medical Associates, Dr. Ostrom is on staff at Providence Little Company of Mary Medical Center and Torrance Memorial Medical Center.

Away from work, Dr. Ostrom loves spending time outdoors with his wife and children.

Eric Castleman, MD, is a board-certified cardiologist and internist at COR Healthcare Medical Associates in Los Angeles. He currently sees patients at the practice’s locations in Torrance and Redondo Beach, California, where he brings more than 35 years of experience specializing in general cardiology, and adult congenital heart disease.

Dr. Castleman earned his medical degree at Mount Sinai School of Medicine in New York City before moving to California for his medical training. He completed his internal medicine residency at the University of California, Los Angeles (UCLA) Medical Center and a cardiology fellowship from UC Irvine Medical Center in Orange, California.

Dr. Castleman has many interests outside of work. He loves spending time with his wife, who is a nurse, and their four children. He loves gardening, traveling, and tinkering in the garage repairing things.

Nadia Jafar Curran, MD, is a board-certified internist and cardiologist at COR Healthcare Medical Associates. She specializes in women’s cardiovascular disease, general cardiology, echocardiography, and nuclear cardiology.

Dr. Curran earned her medical degree from New York University School of Medicine, where she received the Gilda Lipton Memorial Award for compassionate care and was inducted into the Alpha Omega Alpha Honor Medical Society. She then moved to San Francisco to complete her internal medicine residency and cardiology fellowship at the University of California, San Francisco (UCSF). During her training, Dr. Curran developed a curriculum that focused on women’s heart disease while researching lifestyle interventions in postpartum women with pregnancy complications. This research resulted in multiple presentations and publications, and informed the most recent guidelines on adverse pregnancy outcomes and cardiovascular disease.

Dr. Curran is excited to join COR Healthcare Medical Associates and brings her expertise in the diagnosis and treatment of cardiovascular conditions, including risk factor assessment, prevention, microvascular dysfunction, coronary artery disease, spontaneous coronary artery dissection (SCAD), valvular heart disease, heart failure and cardiomyopathies, preconception counseling, and pregnancy-related heart health.

When she is not taking care of patients, Dr. Curran enjoys spending time with her husband and exploring all that the South Bay has to offer, including swimming, surfing, and great dining.

Dr. Shin is board certified in cardiovascular disease, interventional cardiology and internal medicine. She received her undergraduate degree from Brown University in Providence, Rhode Island and she attended medical school at the University of Cincinnati College of Medicine in Cincinnati, Ohio. Dr. Shin completed her residency at the UCLA San Fernando Valley program, where she was chief resident, and her fellowships at Harbor UCLA Medical Center in Torrance, California and Good Samaritan Hospital in Los Angeles, California.

Dr. Shin specializes in interventional cardiology, management of advanced cardiac disease, cardiac catheterization, coronary stent placement, peripheral arterial disease and intervention, echocardiography, stress echocardiography and pacemakers.

She sits on numerous committees and is the Cardiology Subcommittee Chair for Torrance Memorial Medical Center. 

She has received multiple honors and awards including the Society of Geriatric Cardiology Research Award; the Preventative Cardiology Award Program Grant; and the American Heart Association Fellowship Research Grant. Dr. Shin has been practicing in the South Bay for over 10 years. She is fluent in English and Korean.

Gene Kim, MD, is a board-certified cardiologist at COR Healthcare Medical Associates in Los Angeles. At the practice’s locations in Torrance and Manhattan Beach, California, he treats patients of all ages and specializes in cardiac electrophysiology, general cardiology, interventional cardiology, and adult congenital heart disease.

Dr. Kim earned his medical degree at Brown University in Providence, Rhode Island, before moving to California to complete an internal medicine residency at Los Angeles County+USC Medical Center. Dr. Kim continued his advanced medical training with fellowships in cardiology at Harbor-UCLA Medical Center in West Carson, California, and cardiac electrophysiology at the Good Samaritan Hospital in Los Angeles and Harbor-UCLA Medical Center.

He maintains certification in both cardiovascular disease and clinical cardiac electrophysiology by the American Board of Internal Medicine. He is fluent in English and Korean.

When he’s not diagnosing and treating patients with heart issues, Dr. Kim and his wife enjoy spending time with their two young sons and participating in all types of sports.