This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / MO

KAREN E JOYNT MADDOX, MD

CARDIOVASCULAR DISEASE (CARDIOLOGY)

Medical school: DUKE UNIVERSITY SCHOOL OF MEDICINE

Graduated: 2004

Also: INTERNAL MEDICINE

NPI: 1104028786

Practice Locations (1)

WASHINGTON UNIVERSITY

1 BARNES JEW HOSP PLZ

SAINT LOUIS, MO 631101003

3147473000

Source: CMS National Downloadable File, September 2026.

KAREN JOYNT MADDOX, MD | HealthCareAtlasUSA