All our professionals at Dr. Larry Osborne maintain the highest levels of accreditation and pursue ongoing education to stay abreast of the latest trends in dentistry.

Larry W. Osborne
Larry W. Osborne

Dr. Larry W. Osborne was born and raised in Decatur, Illinois. He graduated Summa Cum Laude from Millikin University in 1978 and is a 1982 graduate of Southern Illinois University School of Dental Medicine. He began his general dentistry practice in Decatur and became involved in the activities of organized dentistry shortly thereafter.

Dr. Osborne is the past president of the Illinois State Dental Society, DENT-IL-PAC and is also an ADA Grassroots Legislative Team Leader and is the past Chair of the Council of Government Affairs for the ADA. Dr. Osborne is a member of the International Association of Orthodontics Tier 1, a founding member of Midwestern Society of Orthodontics for General Practice Study Club in Evansville, Indiana, an active member in the American Academy of Dental Practice Administration, an alumnus of the L.D. Pankey Institute, member of the Triple Plus Club, and a Fellow in the American College of Dentists, the International College of Dentists, and the Academy of General Dentistry.

Dr. Osborne is a lifelong member of First Lutheran Church ELCA having served on several committees. He has served on the Macon County Board of Health, chaired the March of Dimes Walk America and the Decatur Celebration Smile Contest.  Dr. Osborne is also involved in organized dentistry and is presently serving on  Governmental Affairs.

Dr. Osborne, and his wife Nancy, are proud parents of Samuel, Director of Golf at Millikin University and MacKenzie, a publicist in Nashville, TN.  In his free time he is a scratch golfer, enjoys traveling to find the best golf courses, scuba diving, snow skiing, and watching St. Louis Cardinal Baseball with his friends.


Cindy Boyle

Cindy has worked for Dr. Osborne for over 25 years. She works both as a Front Desk receptionist and a Chairside Assistant for both Dr. Osborne and Dr. Ashley. Her goal is to make patients feel comfortable and her constant upbeat conversation helps patients feel like family every time they come through the office. Cindy resides in Decatur with her husband has 2 daughters, 1 son, 4 grandkids, and 1 dog. She enjoys spending time with her family and traveling.


Mckenzie Brownlow

Mckenzie has been a member of the staff since 2016.  She is a St. Teresa alum and graduated from Midwest Technical Institute.  After completing her Dental Assisting National Boards, she is now a Certified Dental Assistant.  McKenzie is very passionate about what she does.  She is currently enrolled at Richland Community College and plans to further her career in the dental field.  Hanging out with her family, friends and busy niece and nephew are her favorite ways to spend her free time.  Giving people a reason to smile and the relationships built with our patients are only a few of the things that make what she does everyday so enjoyable.  



Nancy Morrison

Nancy is a Registered Dental Hygienist. She has been a member of our team for over 30 years.  In her free time she enjoys going to concerts with family and friends and watching sports, especially the St. Louis Cardinals. She is married, and  helps her husband Brett run his woodworking business.


Brooke Ragan

Brooke is a Registered Dental Hygienist.  She attended Parkland College in Champaign, IL and received her degree in 2001.  Brooke is married to her husband Sean and together they have a son named Penn and a dachshund names Chester.  They enjoy spending free time with family and attending music concerts.  


Tara Worsham

Tara obtained her Associate of Applied Science Degree in Dental Hygiene from Northcentral Technical College in Wausau, Wisconsin in 2006.  After graduation, she moved from central Wisconsin to Decatur with her husband, Wes.  She started subbing with Dr. Osborne in 2008 and joined the practice part-time in November 2014.  After practicing for several years, she earned her Bachelor of Science Degree in Dental Hygiene from Oregon Institute of Technology in 2017.  She loves practicing dental hygiene and strives to provide the best care possible to every patient she treats.  Tara enjoys participating in ultra-marathons, so when she isn’t at work, you can often find her running.  She and her husband also enjoy kayaking, hiking, geocaching and collecting classic cars, especially Oldsmobiles.  She has a particular love for the Hurst/Olds and has served on the Board of Directors of the Hurst/Olds Club of America as membership coordinator since 2006.


Mary Cardascio

Mary loves helping her patient’s have a healthy and sparkling smile. She is a Dental Hygienist and holds an associate’s degree from Lake Land College. She has 28 years of experience in the dental field. She is certified in CPR, dental sealants, Zoom Bleaching, and enjoys taking continuing education classes on a variety of subjects. Mary enjoys partnering with patients to help them have healthy smiles and educating patients on the importance of oral health. Her compassion for helping people is the driving force behind the love of her job. Outside of the office, Mary has been married to her high school sweetheart for 28 years. She has two wonderful children.  She also enjoys her pets, gardening, and spending time helping others.


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Send us an email at [email protected] or call 217-875-7600

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Hours of Operation

Our Regular Schedule

Primary Location


8:00 am-5:00 pm


8:00 am-5:00 pm


8:00 am-5:00 pm


8:00 am-5:00 pm


7:00 am-12:00 pm