Photo of Dr. Douglas  Guy, MD, FACC

Dr. Douglas Guy is a cardiologist in Sioux City, IA, offering care for conditions affecting the heart & cardiovascular system, such as coronary artery disease.


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Mercy Cardiology  


801 5th Street, Sioux City, IA 51101

Office Details

Doctor Specialty Cardiology
Practice Specialty Cardiology
Languages Spoken English

Insurance Accepted  

  • Most

About Dr. Guy
Dr. Guy



Dr. Guy has one office in Iowa where he specializes in Cardiology.

Dr. Guy works with five doctors including Dr. Frank Addo and Dr. Jerome Pierson.


Languages Spoken  

  • English