Dr. John Ellis graduated from Northwestern University Medical School in 1964.
Dr. Ellis has two offices in California where he specializes in Internal Medicine and Cardiology. Learn more.
Dr. Ellis works with two doctors including Dr. Michael Papanicolaou and Dr. Christopher Purmer.
The specialty of internal medicine is an area of primary care for adults. Dr. Ellis specializes in diagnosing and treating cross-system illnesses that may affect multiple organ systems. He may also refer patients to specialist physicians when medically needed. For instance, patients with serious heart problems could be referred to a cardiologist for further diagnostic tests or therapies.
Dr. Ellis, a cardiologist in Newbury Park, is trained to provide complete treatment for the heart and cardiovascular system. Dr. Ellis may see patients for indicators of disease like breathlessness, dizziness or chest pains, among others. Heart ailments which can be identified and treated by a cardiologist can include heart failure, heart aneurysms, coronary artery disease, rheumatic heart disease, arrhythmia, angina and congenital heart defects, to name a few.
Please Note: The information displayed below is sourced from the 2014 Medicare Physician and Other Supplier National Provider Identifier (NPI) Aggregate Report. It's important to remember that the statistics below are not inclusive of all patients treated by Dr. Ellis, but only those who participate in Medicare.