Dr. Karen Joynt Maddox, MD

With 19 years of practice, Dr. Karen Joynt Maddox is an established cardiovascular disease (cardiology) provider, MD, after earning their medical degree at Duke University School Of Medicine in 2004. Dr. currently practices across 10 facilities, including Washington University in Saint Louis, Missouri. Their National Provider Identifier (NPI) is 1104028786, and the profile below combines data from CMS NPPES, Medicare billing records, the HHS OIG exclusion list, and — where available — CMS Open Payments, Medicare Utilization, and Part D prescriber summaries.

Dr. Karen Joynt Maddox's practice is located in ZIP 63110 (Saint Louis, Missouri), which has an overall CartoChrome Healthcare Access Score of 97/100 (Healthcare Paradise). Patients in this area have comparatively strong access to primary care, specialists, and hospital services.

CMS Medicare data shows Dr. Karen Joynt Maddox as a lower-volume cardiovascular disease (cardiology) provider, treating approximately 88 Medicare beneficiaries and delivering 221 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.