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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. Louis Karlen:

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Specialties & Research

  • He has special expertise in 5 areas:
  • Acute Coronary Syndrome (ACS)
  • Heart Block
  • High Blood Pressure (Hypertension)
  • High Cholesterol (Hypercholesterolemia)
  • Unstable Angina

Education & Awards

Dr. Karlen graduated from University of Kansas , Kansas City.


Dr. Karlen has 1 hospital affiliations:

  • Desmet Memorial Hospital - CAH 

> > > > Dr. Louis Karlen, MD
Additional Information
Dr. Louis William Karlen MD is a male Internist, has 48 years of experience and practices in Cardiovascular Disease.
Where does Dr. Louis W. Karlen practice?
Dr. Louis Karlen has 1 office location.
Dr. Louis Karlen practices Cardiovascular Disease near De Smet, SD.
See De Smet Cardiologists.