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Meet The Doctors



Dr. Mike Randall

I am originally from Ankeny, Iowa. I attended the University of Northern Iowa where I majored in Biology and Business/Finance, Northern Arizona University, University of Aalborg, Denmark and the University of Iowa Dental School. My endodontic specialty training was completed at the University of Maryland.

I enjoy history and politics, reading, gentleman farming, hunting, fishing, and coaching my children’s sports teams. We are incredibly blessed to have four children and recently celebrated 25 years of wedded bliss.

I am a founding partner of Cornerstone Endodontics (1998) and truly enjoy the technical and personal aspects of practicing endodontics. I cherish my relationships with our patients and partner offices and look forward to helping you.


Dr. Joon Kim

I am from Albuquerque, New Mexico. I attended the University of New Mexico on a music scholarship by playing violin and viola. My undergraduate dental training was here in Kansas City at the University of Missouri-School of Dentistry. After graduation, I was blessed to practice general dentistry for over 8 years, and continued onto specialty training at the Baylor College of Dentistry in Dallas, Texas. It has been a privilege to have presented numerous lectures at the annual American Association of Endodontists meetings, as well as, various civic and professional organizations.

I grew fond of the Midwest and the lifestyle here in Kansas City. Faith, family and friends are what I hold dear. My hobbies are cycling, hunting, fishing, and camping. I enjoy spending time outdoors with my family, being a cub scout den leader and Sunday school teacher. I consider myself an avid barbeque chef in search of the 'perfect' brisket.

In 2004, I had the opportunity to join Cornerstone Endodontics. I am grateful to be associated with this practice. I look forward to providing you compassionate, caring endodontic therapy.


Dr. Mark Holman

Having grown up in Wheaton, Illinois, I received my Bachelors degree in Biology from Illinois Benedictine College. I attended dental school at the University of Iowa and obtained my D.D.S. degree in 1994. I then served in the United States Navy Dental Corps for three years. My interest in endodontics was piqued while I was stationed with the Marine Corps at Camp LeJeune, North Carolina. I completed my endodontic specialty training in Baltimore at the University of Maryland. I practiced endodontics in Naperville, Illinois for fourteen years before joining Cornerstone Endodontics in January, 2014.

When not in the office, I am honored to help my wife raise our seven children. My wife and I recently returned from China after adopting the newest addition to our clan: a darling three year old boy. Now the poor girls are outnumbered by a 5 to 2 margin. Our family is close-knit and enjoys spending time together. When time permits, I prefer to be outdoors. My wife and my children are among the richest blessings that the Lord has given me. I wouldn’t be who I am without them in my life.

It has proven to be a genuine privilege to care for patients alongside such trustworthy and gifted colleagues. I am eager to meet you and make your visit with us comfortable and beneficial.


Dr. Amy Vermeer

I grew up on a farm outside of Orange City, Iowa, located in the northwest corner of the state.  I attended Northwestern College (Orange City, IA), where I majored in biology and ran track and cross country.  I received both my undergraduate dental degree and my specialty training in endodontics from the University of Iowa College of Dentistry.  
 
I still love to run, and my husband and I enjoy exploring new trails and competing in road races from 5Ks to marathons.  I also enjoy outdoor activities of any kind, including hiking, biking, skiing, and camping.  I enjoy music and trying new recipes in my free time.  
 
I am truly blessed with the opportunity to serve others through the practice of endodontics.  I value the relationships I create with patients and colleagues, and I look forward to meeting you.


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