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Surgical Specialist, Neurological Surgeon
33 years of experience
Video profile
Accepting new patients
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).

Patient Reviews

Patient comments (2)

The overall average patient rating of Dr. Thorir Ragnarsson is Average. Dr. Ragnarsson has been reviewed by 2 patients who have provided 2 comments. The rating is 3 out of 5 stars.

Patient Ratings
Ease of Appointment 3.0
Promptness 3.0
Courteous Staff 4.3
Accurate Diagnosis 3.0
Bedside Manner 4.3
Spends Time with Me 3.0
Follows Up After Visit 3.0

Specialties & Research

Dr. Thorir Ragnarsson, MD is board certified in Neurological Surgery.

  • He has special expertise in 6 areas:
  • Back Injuries
  • Cancer
  • Cerebrovascular Disorders
  • Head and Neck Disorder
  • Neurosurgery
  • Neurosurgical Procedures

Education & Awards

Dr. Ragnarsson graduated from University Of Iceland, Reykjavik.


Dr. Ragnarsson has 30 hospital affiliations:

  • Sioux Valley Hospital University Medical 
  • Siouxland Surgery Center Lp 


  • English
  • Danish

> > > > Dr. Thorir Ragnarsson, MD

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Additional Information
Dr. Thorir S Ragnarsson MD is a male Neurosurgeon, has 33 years of experience and practices in Neurological Surgery.
Where does Dr. Thorir S. Ragnarsson practice?
Dr. Thorir Ragnarsson has 5 office locations.
Dr. Thorir Ragnarsson practices Neurological Surgery near North Sioux City, SD.
Additional practice locations include: Yankton, SD and Sioux City, IA.
See North Sioux City Surgeons.