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We encourage you to contact us with any questions or comments you may have. Please call our office or use the quick contact form below.

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Office location:
North Sioux City
101 Merrill Avenue
P.O. Box 1010
North Sioux City, SD
Phone: (605) 232-8802

Office Hours

Monday- Thursday


Hablamos Espanol

Accepting New Patients!

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North Sioux Dentist  

Dr. Don Cork & Dr. Ryan McKenna 

Welcome to the North Sioux Dental Clinic! 

When you visit the North Sioux Dental Clinic, your smile is our top priority.  Dr. Don Cork, Dr. Ryan McKenna, and the entire dental team at the North Sioux Dental Clinic are committed to providing you with the personalized, gentle care that you deserve. We strive to provide "High Tech Dental Care with a High Touch Appeal."

When you visit our office, you will experience all that modern dentistry has to offer including a comprehensive list of general, restorative and cosmetic dental services to meet the  needs of  the whole family. Our goal is to assist each patient in achieving and maintaining long term dental health and a beautiful smile. Listed below are some of the services we provide. Click on the interactive links for more information about a particular service:

Part of our commitment to serving our Siouxland patients includes keeping you informed so you can make knowledge-based decisions about oral health needs.  This website is a resource we hope you’ll find both useful and interesting.

We genuinely hope this site is helpful to you in learning more about our Siouxland family dental practice, dental conditions, treatment options, dental recommendations, and more.

We are committed to your care! Since 1996, the North Sioux Dental Clinic has been committed to providing families in the North Sioux City area with the very finest in comprehensive dental care combining a high tech approach with a high touch appeal. Our facilities and equipment are state-of-the-art and meet or exceed ADA, OSHA and CDC guidelines for sterilization and infection control. Our friendly, high-trained staff uses the most advanced technology for early detection and treatment of dental problems. We are not a large group practice. The care and attention you receive will be personalized to your specific needs and demands. We will get to know you and you will get to know us. Our promise is to provide you with excellence you can trust.

Our newly remodeled, handicap accessible building is situated near Interstate 29 in North Sioux City; a convenient location for patients from all of the surrounding areas. We invite you to call or stop by for a visit. We're happy to serve you and your entire family. Children are especially welcome! 

Please browse through our website and be sure to call us at at  605/232-8802  if you have any questions or would like to schedule an appointment. You may also use our online appointment request form to schedule your appointment.




North Sioux Dental Clinic
Dr. Don Cork & Dr. Ryan McKenna
North Sioux Dental Clinic
101 Merrill Avenue
P.O. Box 1010
North Sioux City, SD 57049
Phone:  (605) 232-8802 
Fax: (605) 232-0973
Toll Free:  (888) 637-2811