Dental Staff

All professionals at Robert Arnold, DMD maintain the highest levels of accreditation and pursue ongoing education to stay abreast of the latest trends in the medical field. Read on to learn more about our staff's experience and training.

  • 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 completed course work toward his Bachelor of Science at 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 dogs, hunting, and expanding his knowledge in medicine.

  • Jamie Arnold

    Jamie grew up in Marion, IL, graduating from Marion High School.  She attended Southeast Missouri University in Cape Girardeau, MO where she majored in business. She has managed Dr. Arnold's practice since its inception in 1989.  She enjoys traveling, music theater, and reading when not spending time with her family.

    If you have insurance or billing inquiries, she will provide you with the utmost reliable answer.  She has been working with dental insurance companies for several years; she understands coverages and benefits.  Jamie will be glad to provide you with explanations or information when dental claims or pre-authorizations are processed, or if you have any general questions regarding your insurance or treatment costs.  She is also available to review your out-of-pocket costs after a treatment plan has been discussed with Dr. Arnold. 

    Jamie is also available to answer any question regarding treatment plans, payment arrangements, scheduling hospital treatment, or any other concerns.

    Please feel free to contact her directly at

  • Ellen Miller
    Registered Dental Hygienist

    Ellen grew up in the Southern Illinois area and graduated from John A Logan College. She loves the summertime, vacationing, and spending time with her husband and daughter.  You can also find her teaching Sunday School at Whiteash Baptist Church. 

    Ellen works closely with Dr. Arnold to provide you the best dental treatment. She schedules patients for routine cleanings, deep cleanings, sealants, and hygiene instructions.  If you have gum or tooth sensitivity, Ellen can provide numbing so that you will be comfortable during your preventative appointment.  Ellen will provide a thorough and gentle experience for all ages.

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By Appointment Only


By Appointment Only


By Appointment Only


By Appointment Only


By Appointment Only


By Appointment Only