Meet Our Overland Park DENTAL TEAM
Blue Valley Smiles is committed to providing patients in Overland Park and the Kansas City metro area with the excellent dental care that they need and deserve. Our team is always excited to teach patients the importance of dentistry and help them achieve and maintain optimal oral health. Dentistry is not just a job to us—it’s our true passion!
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Rachel Karabas, DDS
Dr. Rachel Karabas, a St. Louis native, has established her home in Kansas City with her husband, Clint, and has been practicing dentistry in the area since completing her studies at the University of Missouri-Kansas City School of Dentistry.
Dr. Karabas is passionate about comprehensive dentistry and building long-term patient relationships based on trust and quality care. She focuses on providing a comfortable experience for patients that centers on their individual goals. She is also a member of the American Dental Association, Academy of General Dentistry, the American Academy of Facial Esthetics, and the Kansas and Missouri Dental Associations. She is committed to continued education and to community outreach.
Dr. Karabas loves participating in events such as Team Smile, providing dental care for children in the Kansas City area.
Todd O’Neil, DDS
A native of Salina, KS, Dr. Todd O’Neil has been practicing dentistry in Overland Park and serving the Johnson County area for more than 25 years. Dr. O’Neil received his undergraduate degrees from Kansas State University and his Doctorate of Dental Surgery from the University of Missouri-Kansas City School of Dentistry.
Having retired, Dr. O’Neil remains a dedicated partner to the practice. He has consistently demonstrated a commitment to excellence throughout his career. Dr. O’Neil has studied alongside many “masters” in cosmetic dentistry and high-tech dentistry. As a result, he has helped create numerous bright smiles in Overland Park, the Kansas City metro area, and literally across the country.
Dr. O’Neil resides in Overland Park with his wife, Lynn, children Ellie and Bryan, and Cairn terrier, Willie.
Graham Naasz, DDS
Dr. Graham Naasz is a proud KC native with a deep-rooted connection to the community. Born and raised right here in Overland Park, Dr. Naasz grew up in the Blue Valley school district and is a proud graduate of Rockhurst High School. He continued on to the University of Kansas, where he graduated with Highest Distinction and Phi Beta Kappa honors. From there, he pursued his passion for dentistry at UMKC School of Dentistry, where he graduated Summa Cum Laude.
During his time in dental school, Dr. Naasz didn’t just focus on academics; he also embraced leadership roles and garnered recognition from his mentors for his outstanding achievements in Periodontics and Prosthodontics. His dedication to continuous improvement led him to one of the nation’s top residency programs in San Antonio, Texas, where he served our nation’s proud veterans. Here, he honed his skills in various areas, including dental implants, cosmetic dentistry, and Invisalign.
Beyond the dental office, Dr. Naasz is deeply involved in giving back to the community that has given him so much. As a dedicated sports enthusiast and avid Jayhawk basketball fan, he loves staying active and supporting philanthropic causes that mean so much to him. Currently, he proudly serves on the Board of Directors for the Myasthenia Gravis Association and is a passionate advocate for Big Brothers Big Sisters of Kansas City.
Dr. Naasz is known for his genuine connection with patients, recognizing that every smile has its own story. He takes the time to listen, understand, and build meaningful relationships, ensuring each treatment is tailored to individual needs. With a focus on comfort, trust, and lasting results, Dr. Naasz provides personalized care that goes beyond dentistry—it’s about creating confident, healthy smiles that last a lifetime.
With Dr. Naasz, you’re not just getting a dentist – you’re gaining a caring neighbor and community member who is committed to making Kansas City smile, one patient at a time.
Our Staff
Allison Dental Hygienist
Allison began her career as a hygienist in 2006 and joined our team the following year. She has a bachelor’s degree in dental hygiene from the University of Nebraska Medical Center College of Dentistry. The best part of her job is her patients! When she’s not busy helping you have a more fantastic dental appointment, Allison enjoys spending time with her family and her two boys, Silas and Jett.
Andrea Dental Hygienist
Andrea has been a part of our practice since 1999, though she actually began her dental career in 1993. The best part of her job is getting to know our patients and helping them with their oral hygiene needs. When she’s not doing that, Andrea likes to spend time with her two sons, Samuel and Simon, and her husband, Scott. Andrea enjoys going to her boys’ sporting events, working out, and spending time outside near water or a golf course.