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Mapping geographic proximity to cardiologists in the US (A) Map of mean distance from each census block to any cardiologist and (B) Percentage of residents within 20km of an internal medicine or family medicine (IM/FM) physician, cardiologist, and cardiologist subspecialties, including Interventional Cardiology (IC), Electrophysiology (EP), and Heart Failure (HF). Data also categorized by urban and rural areas.
