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Our Doctor
Cristina Rizza, MD FACC

Dr. Maria Cristina Rizza is board certified in Internal Medicine, Cardiovascular Diseases, and Nuclear Cardiology. She has been in practice in Orange County since 1985, as internist for the first 17 years and then as a cardiovascular specialist. She graduated Summa cum Laude from the University of Bologna School of Medicine in Italy, and completed her residency in Internal Medicine at the Long Island College Hospital, affiliated with Downstate Medical College in Brooklyn, New York. She trained in Cardiology at the West Los Angeles VA/UCLA- San Fernando Valley program in Los Angeles.

Sooraj Shah, MD

Dr Shah is an interventional cardiologist with expertise in cardiac catheterization, angiography & angioplasty (stent placement) via radial approach, evaluation and management of peripheral vascular disease and advanced expertise in heart failure treatments. Prior to joining out practice Dr Shah was serving as Faculty at Icahn School of Medicine at Mount Sinai Medical Center in New York as Assistant Professor. While at Mount Sinai Dr Shah participated in teaching of next generation and at the same time advanced the level of care at the hospital by starting multiple new program including peripheral arterial disease intervention via pedal access, pulmonary artery pressure monitoring to reduce heart failure hospitalization and outpatient diuretic infusion programs. Dr Shah has been appointed as Faculty at world renowned institutions like NYU Langone Medical Center, Albert Einstein College of Medicine and Icahn School of Medicine at Mount Sinai during his career and is one of only 66 physicians in USA to have triple board certification in Cardiovascular disease, Interventional Cardiology and Advanced Heart Failure/Cardiac Transplantation. Dr Shah has been invited to National Cardiology Conferences as Faculty for presentation and panel discussions and serves as a member of Standard Setting Committee for Board Certification Examination in Advanced Heart Failure for American College of Cardiology and American Board of Internal Medicine. Dr Shah has also published multiple articles in reputed journals and continues to advance the field of Cardiology. 

Dr Shah is currently affiliated with Hoag Hospital (Newport & Irvine), Orange Coast Memorial and Fountain Valley hospital.


Medical school : Gujarat University, India.

Internship/residency : Staten Island University Hospital, New York.

Fellowship : Mount Sinai Beth Israel, New York.

Interventional cardiology : Albert Einstein College of Medicine, New York.

Advanced heart failure & cardiac transplantation: Montefiore Medical Center, New York.  

Our Staff

Shanarah is  the manager/biller for Dr. Cristina Rizza. She has been in the medical field for over 11 years. Our goal here is to have a safe and smooth running office, that tend to our patients every need.

Our Practice


​Dr. Maria Cristina Rizza is a cardiologist in Fountain Valley, California and is affiliated with multiple hospitals in the area, including Orange Coast Memorial, Fountain Valley Regional Hospital  and Hoag Memorial Hospital Presbyterian. Dr. Rizza combines a wealth of experience and expertise with a sense of empathy and compassion. She is commited to serving the community by providing superior cardiovascular care to her patients. By treating the person, not just the disease, Dr. Rizza strives to create a relationship to ensure the health and well-being of every patient.


"I am always personally available to my patients 24/7. I visit and follow personally every patient in the hospital. When out of town,  a group of trusted colleagues covers for me. "

                                        -Dr. Maria Cristina RIzza


Heart Disease Statistics:
  • Heart disease is the leading cause of death for both men and women. More than half of the deaths due to heart disease in 2008 were in men.

  • Coronary heart disease is the most common type of heart disease.

  • In 2008, 405,309 people died from coronary heart disease.

  • Every year about 785,000 Americans have a first coronary attack. Another 470,000 who have already had one or more coronary attacks have another attack.

  • In 2010, coronary heart disease alone was projected to cost the United States $108.9 billion. This total includes the cost of health care services, medications, and lost productivity


       -Source: Centers for Disease Control and Prevention

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