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Meet Our Doctors

Meet Tim Video

Timothy Hanigan, DDS, MS

Dr. Hanigan began High Plains Orthodontics in Garden City in 1997. High Plains grew over the next eight years, adding locations in Liberal and Lamar and relocating the Garden City office to serve more patients in Western Kansas, Eastern Colorado, and the Oklahoma panhandle. 


Dr. Hanigan and his wife, Christina, have three daughters  and enjoy traveling, especially to new places.  He likes to spend his time skiing, biking, and fly-fishing. 


University of Iowa 

– BS in Biology 

– DDS in Dental Surgery 

University of Michigan 

– MS in Orthodontics 



American Association of Orthodontists member 

Meet Paul Video

Doi Family Picture.jpg

Paul Doi, DDS, MS 

Dr. Doi began at High Plains in 2014. Previously, Dr. Doi served in the United States Air Force as a general dentist in the Arab State of Quatar during Operation IraqiFreedom. Following his active duty commitment and orthodontic residency, his family moved to Phoenix, Arizona, where he practiced orthodontics for eight years before moving to Garden City. Dr. Doi and his wife Jillynn have four children, and they enjoy hiking, biking, and backpacking together.


Brigham Young University 

– BS in Zoology 


University of Texas Health Science Center at San Antonio 

– DDS in Dental Surgery 


United States Air Force 

– Advanced Education in General Dentistry residency 


Saint Louis University 

– MS in Orthodontics

To meet Dr. Hanigan and Dr. Doi, schedule a free initial consultation

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