Samantha G. - Dental Hygienist


Samantha grew up in Crestwood and is a graduate of Shepard High School. In 2012, she graduated from the Prairie State College Dental Hygiene Program, and then received her Bachelor of Science Degree in 2014 from Minnesota State University. Samantha has experience working in both general and pediatric dentistry, and loves that McNicholas Dental offers excellent care to patients of all ages! She is passionate about periodontal therapy, patient education, as well as keeping each patient relaxed during their dental appointment. Samantha also is an adjunct clinical instructor at Prairie State College and enjoys helping students learn proper dental hygiene techniques. In her free time, she is most likely watching baseball or hockey with her husband, spending time with her two daughters, or cracking up at a comedy show. 

Caity R. - Office Manager/Front Desk


Caity grew up in Palos Heights, where she attended St. Alexander's School and then Marist High School. She received her Bachelor's Degree in Accounting from Indiana University, and her Master's Degree in Information Security from Lewis University- which included courses in encryption, database management, and healthcare data privacy. She enjoys working alongside her father, Dr. Bob, and being able to continue on the McNicholas family practice on the business side of dentistry. She has worked at the office since early 2014 and has worn many hats along the way- from dental assisting, to internal marketing, to tech support, to scheduling and billing, and to now managing the office. Outside of work, Caity likes to spend time with her husband and kids, watching football, road tripping, and attending country concerts. 

Daniella C. - Dental Assistant/Front Desk


Daniella joined McNicholas Dental in the summer of 2021 as a dental assistant, as well as filling in at the front desk, and we are so happy to have her join our office! She grew up Brighton Park and moved to Oak Lawn a few years ago. She graduated from Oak Lawn High School in 2020. Daniella comes from a retail background, but she has always loved the dental field and is great with keeping our office organized and running! Her favorite part about working at McNicholas Dental is working with patients and learning more about dentistry. In her free time, Daniella likes to spend time with her kids, shop for anything pink, and go out to eat with her fiancé.

  • Dr.
    John Smith
    Dr. John Smith was born and raised in Minnesota. He received his degree from the University of Minnesota in 1990. He practiced in Minneapolis for ten years. Dr. Smith entered the Master'Degree program in at the University of Minnesota in 2000. Dr Smith enjoys spending time with his family, traveling, and exploring the wilderness of the Boundary Waters. He is a talented musician and avid reader.
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  • Dr.
    Sarah Green
    Dr. Sarah Green's practice philosophy is based on extreme excellence. When not working with her patients she enjoys baking and watching movies.
  • Danielle Harris
    Office Manager
    Danielle is a graduate of University of Illinois. She enjoys meeting new patients, and spends her spare time fostering dogs and exploring local restaurants.

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Hours of Operation

Our Regular Schedule


9:00 am-5:00 pm


9:00 am-5:00 pm


9:00 am-5:00 pm


12:00 pm-9:00 pm




9:00 am-2:00 pm