Welcome to Our Practice

Welcome to Robert Arnold, DMD, Your Dentist in Marion, IL

Welcome! The dental professionals at Robert Arnold, DMD are pleased to welcome you to our practice. We want all our patients to be informed decision makers and fully understand any health issues you face. That's why we've developed a web site loaded with valuable information about dental and dental problems and treatments. We encourage you to visit this site whenever you have concern about your teeth.

Our web site also provides you with background about our, staff, office hours, insurance policies, appointment procedures, maps, directions to our office in and other useful information. We know how hectic life can be and are committed to making our practice convenient and accessible. And we want you to feel confident that when you choose , you're working with doctors and other professionals who are qualified, experienced and caring.

Please take a few moments to look through this site to get a better feel for Robert Arnold, DMD's capabilities and services. We also invite you to email or call our office at any time to request an appointment or ask any questions. Thank you.

Hometown Dental Care and Restoration

  • We love serving our patients
  • We offer many payment options
  • We provide on-call services if needed

Our staff has over 30 years of experience in Dentistry

  • We have maintained this practice in Marion since 1989
  • Our staff is highly trained and well educated
  • We treat our patients as part of our family

We take pride in the complete restoration of our office, which is a 100 year old building located in downtown Marion, IL. It serves as a symbol of what we strive for every day in our dental practice.

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Meet Your Family Dentist

  • Dr.
    Robert Arnold

    Dr. Arnold grew up in Marion, IL, graduating from Marion High School in 1981. As a child, he was an avid baseball and basketball player. After high school, he attended Murray State University. He attained his Doctor of Dental Medicine (D.M.D.) at Southern Illinois University - Edwardsville.

    Dr. Arnold opened his family practice at its current location in 1989, serving the Southern Illinois market. He has two children: a son, Kaleb, and a daughter, Rachel. When not practicing dentistry, he enjoys spending time with his family and dog, hunting, and expanding his knowledge in medicine.

Our Location

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Hours of Operation

Our Regular Schedule


By Appointment Only


By Appointment Only


By Appointment Only


By Appointment Only


By Appointment Only


By Appointment Only



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See what our patients are saying

    The staff is outstanding. It's like dealing with family only it's the dentist office. I highly recommend Doctor Arnold and his staff!

    Robert P. - Marion, IL

    Dr. Arnold has been our dentist for 20 years. He has provided dentistry on short notice many times and we are very appreciative for that as well the outstanding service over those years.

    Sharon K. - Marion, IL

    Everyone at Dr. Arnold's office is very friendly and personable. It makes the entire experience easy no matter the reason for coming.

    Mark V. - Marion, IL