Adult Medicine in Sioux City, IA

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Each team member has been hand-selected and chosen for their passion, specialist training, and years of experience. We are all totally committed to you, your well-being and ensuring you get the very best treatment available. 

Our aim is to make sure that each and every client feels special from the moment they enter the door. Sometimes people are slightly nervous if it’s their first visit - they might not know what to expect, so if you haven’t been to us before, we will talk you through what will happen and help you feel at ease. We really do value everyone who comes to us and want the whole experience to be relaxed and a pleasure from start to finish. We are focused on the safety of our clients and offer affordable products to help you achieve total confidence.


Located on the lower level of Siouxland Adult Medicine is an internal medicine doctor’s office with a doctor on site - Dr. Mark Carlson.

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Internal Medicine Specialist in Sioux City, IA

Dr. Mark Carlson

Dr. Mark Carlson, a board-certified Internal Medicine specialist, has provided medical care to “Siouxlanders” since completing his training at the University of Minnesota, Abbott Northwestern, and Minneapolis Heart Institute. He has practiced medicine in Sioux City, Iowa, for the past 23 years.

He has served in numerous hospital clinic-based leadership roles. He regularly lectures on the topics of Internal Medicine with expertise in Cardiovascular risk prevention, advanced lipid management, osteoporosis, diabetes, and hypertension. 

Dr. Carlson is committed to improving the health and welfare of the citizens of the community while emphasizing the importance of lifestyle choices and the prudent administration of clinical guidelines in medication management. Dr. Carlson founded Sioux City Hospitalists at St. Luke’s Regional Medical Center and has served as its Medical Director. 

He currently serves as Medical Director of the Siouxland Adult Medicine clinic and the St. Luke’s Executive Wellness Center. Dr. Carlson is dedicated to providing his patients with the very best in preventive and primary care through his personalized medicine program.

Meet Our Staff

Internal Medicine in Sioux City, IA

Deb Carlson

Office Manager


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