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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.

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.

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.

Ray Wyman, MD, is a board-certified cardiologist specializing in general cardiology, internal medicine, interventional cardiology, and adult congenital heart disease. An experienced cardiologist with more than 20 years in his field, Dr. Wyman serves the community of Los Angeles at COR Healthcare Medical Associates in Torrance, California.

Dr. Wyman earned his medical doctorate from Johns Hopkins University School of Medicine in Baltimore before completing his internal medicine residency at Johns Hopkins Hospital in the same city. Dr. Wyman developed an interest in cardiology early in his career and later completed dual cardiology fellowships through Boston’s Beth Israel Hospital and Harvard Medical School in Cambridge, Massachusetts.

In addition to heart disease and heart attack treatment, anticoagulation management, and high blood pressure treatment, Dr. Wyman performs ongoing research in coronary artery stenting.

Dr. Wyman has many interests and hobbies outside of work. When he isn’t spending time with his wife and four children, he loves playing outdoor sports and cooking gourmet meals at home.

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.

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.

As a triple diplomate with the American Board, Erol Kosar, MD, holds board certifications in clinical cardiac electrophysiology, cardiovascular diseases, and internal medicine. At COR Healthcare Medical Associates in Los Angeles, Dr. Kosar proudly brings his 30 years of experience to patients of all ages at the practice’s location in Torrance, California.

He is also certified by the International Board of Heart Rhythm Examiners (IBHRE). 

After earning his medical doctorate at Sidney Kimmel Medical College, Thomas Jefferson University, in Philadelphia in 1989, Dr. Kosar completed an internal medicine internship and residency at the University of Pittsburgh in 1992. He later received additional training through a cardiology and electrophysiology fellowship at the University of Southern California (USC) in Los Angeles. After completing his fellowship, Dr. Kosar served as a full-time assistant professor of medicine at USC.

Continuing education is a top priority for Dr. Kosar, who is a Western regional trainer for excimer laser lead extraction — developed by Spectranetics® — which uses laser technology to remove permanent pacemaker lead.

Dr. Kosar is highly trained in all aspects of cardiology and cardiac electrophysiology, but his special research interests include cardiac resynchronization, sudden cardiac arrest, lead extraction, and atrial fibrillation.

As a leader in his field, Dr. Kosar has authored numerous publications in Circulation, Journal of the American College of Cardiology, and Cardiac Electrophysiology Review.

Not only does Dr. Kosar work with patients at COR Healthcare Medical Associates in San Pedro, CA, but he is also on staff at Providence Little Company of Mary Medical Center in Torrance, and Torrance Memorial Medical Center

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.

Brenton Bauer, MD, is a board-certified internist and cardiologist at COR Healthcare in Los Angeles. He sees patients at the Torrance, Redondo Beach and El Segundo offices in addition to the cardiology department at Torrance Memorial Medical Center.  He specializes in general cardiology, cardio-oncology, and advanced cardiac imaging.

Dr. Bauer completed his medical education and advanced training at the University of California, Los Angeles (UCLA). In addition to earning his Doctor of Medicine with honors, Dr. Bauer completed an internal medicine internship and residency, serving as chief resident, and a cardiovascular disease fellowship serving as chief fellow. He has been certified by the American Board of Internal Medicine in addition to subspecialty boards of Echocardiography, Cardiovascular CT, and Nuclear Cardiology. Dr. Bauer has written extensively for medical journals and other publications.

An award-winning physician, Dr. Bauer has been named to the American College of Cardiology’s (ACC) national conference program faculty, as an ACC National FIT (Fellows in Training) Jeopardy Competition finalist, as a finalist for the UCLA Most Outstanding Fellow Teaching Award, and won the best poster presentation in congenital heart disease at the American College of Cardiology’s 2015 conference, among others.

In his leisure time, Dr. Bauer loves traveling the world with his wife and junior high sweetheart.  They particularly enjoy experiencing different cultures, trying amazing food, and learning different languages (to which he is fluent in English and Spanish and working on others including Italian). 

Syed Bokhari, MD, is a cosmetic specialist offering various medical aesthetic services to patients at The Beauty Medics in Riverside, California. 

Dr. Bokhari is an expert in the latest and greatest advanced techniques and technologies. He is among Southern California’s top-rated physicians and is an esteemed and highly sought-after certified master injector. 

He has won multiple awards, including "Best Doctor" by the US News, Castle Conolly, ZocDoc, WebMD, Vitals, Healthgrades, and the Inland Empire Magazines, several years in a row. 

Dr. Bokhari has proudly offered top-level aesthetic care to patients and the Southern California community for the last five years at The Beauty Medics. He loves helping his patients regain and maintain healthy, youthful, and joyful lives. In fact, Yelp and Google are full of raving reviews by many of his happy patients.

If you want to receive comprehensive and effective care with a compassionate doctor, look no further than Dr. Bokhari.

Past & Current Appointments:

• President, American Heart Association of the Inland Empire
• Presinet, Medical Staff, Riverside Community Hospital
• Chairman, Department of Medicine, Riverside Community Hospital
• Chairman, Section of Cardiology, Riverside Community Hospital
• Assistant Clinical Professor of Medicine, Cardiology UC Riverside
• Assistant Clinical Professor of Medicine, Cardiology UC Irvine

Board Certifications:

• Endovascular Medicine
• Interventional Cardiology
• Cardiovascular Diseases
• American Board of Internal Medicine
• Aesthetic Medicine

Fellowship, Coronary & Peripheral Interventions:

• University of Chicago-Hospitals, Chicago, Illinois

Fellowship, Cardiovascular Diseases:

• University of California-Irvine, Orange, California

Internship & Residency, Internal Medicine:

• Los Angeles County-University of Southern California, Los Angeles, California

Medical School (MD):

• King Edward Medical University

Primary Interests:

• Peripheral Arterial Disese (PAD)
• Varicose Vein Treatments
• Non-surgical Treatments for Valve disorders - Aortic (TAVR) and Mitral (TEER)
• Coronary angioplasty and stenting
• Carotid stenting

Professional Affiliations:

• Society of Vascular Medicine (SVM)
• The American College of Cardiology (ACC)
• The American Medical Association (AMA)

Has a multicultural and comprehensive approach to his practice. • Received medical education at Sackler School of Medicine, Tel Aviv University, Israel. • Completed residency training at Cedars-Sinai Medical Center. • Additional training: Women’s Heart Disease and Heart Failure-Heart Transplant at Cedars-Sinai Heart Institute. • Successfully finished one of the busiest programs in the country in both Cardiovascular Disease and Interventional Cardiology specialties at Hofstra North Shore – LIJ School of Medicine, New York. Treating wide range of diseases: Arrhythmias, coronary artery disease, heart failure, hyperlipidemia, hypertension, peripheral vascular disease involving arterial and venous systems, valvular heart disease Special skills and interests in complex coronary and peripheral vascular interventions.

Dr. Shaun Daneshrad, MD, FACC, is a leading internist and cardiologist in the Greater Los Angeles area, providing adults in and around Beverly Hills, CA, with skilled and compassionate care in all areas of internal medicine. With board certifications in both internal medicine and cardiology, Dr. Daneshrad provides care for medical issues in multiple areas, including diseases and conditions of the digestive tract, lungs and airways, blood disorders, cancer, and both chronic and acute diseases and conditions.

Dr. Daneshrad earned his bachelor's degree in microbiology at the University of California Los Angeles (UCLA) and his MD from the University of Pittsburgh School of Medicine. He completed his internship and residency in internal medicine at Loma Linda University before becoming an instructor at Riverside General Hospital, and soon after, completing a cardiology fellowship at Loma Linda University Medical Center and Loma Linda VA hospital.

After practicing in a group practice for several years, Dr. Daneshrad began his solo practice in the Los Angeles area where he enjoys being able to provide one-on-one personalized care for each individual patient.

As a double board-certified physician, Dr. Daneshrad has extensive experience in both internal medicine issues and cardiology. He maintains professional relationships with several area hospitals including Cedars-Sinai Medical Center and Olympia Medical Center, and has served as the clinical chief of cardiology at both Brotman Medical Center and Olympia Medical Center. He has been an active member of Cedars-Sinai's Performance Improvement Committee too.

At Cedars-Sinai, Dr. Daneshrad provides advanced cardiac care and intervention including treatments for atrial fibrillation, valve disorders and dysfunctions, mitral valve regurgitation, atrial septal defect and patent foramen ovale.

With an unflagging commitment to learning and implementing novel medical techniques and technology, Dr. Daneshrad has become known as a trusted provider of skilled, compassionate care for men and women in the Beverly Hills, CA area.

Dr. Sarsam received his medical education at the University of Baghdad / College of Medicine in Iraq. Following the second Gulf War, he moved to the United States and attended the Wayne State University / Detroit Medical Center where he completed his Internal Medicine Residency. He then completed his fellowship in General and Interventional Cardiology at Michigan State University / Providence Providence-Park Hospitals in Detroit, MI. Dr. Sarsam also specializes in advanced heart failure.