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Meet The Staff

  • Mary Beth Denice

    Mary Beth graduated from the University of Rhode Island in 1979 with her degree in Dental Hygiene and in 2013 received her Local Anesthesia license from CCRI. She has been with Diamond Hill Dental since 2016 and keeps current with continuing education courses and seminars. Mary Beth has also volunteered each year in the annual RI Mission of Mercy. She is a mom of 3 grown kids and calls East Greenwich home with her husband. MB is a New England sports fan, loves to travel (especially to see her kids), and chase an occasional golf ball.

  • Ruth Ann Van De Geisen

    Ruth Ann has been with Diamond Hill Dental for 22 years! She enjoys working with patients and considers many of them friends. Ruth Ann has been blessed with several beautiful grandchildren who call her Roo.

  • Julie Miller

    Julie has been a patient at this practice for over 40 years and employed here for 10 years. She enjoys sports, exercising and spending time with her family, friends and her first grandchild

  • Robyn Carvalho

    Robyn obtained an Associate Degree in Dental Hygiene from Community College in 2002. She has been with Diamond Hill Dental for over 15 years. Robyn is married with two adult children. She lives in Cumberland. Her interests are spending time with family, cooking and being outdoors.

Contact Us Today!

We look forward to hearing from you.

Our Location

2343 Diamond Hill Rd | Cumberland, RI 02864

Office Hours

Our General Schedule


9:00 am-5:00 pm


9:00 am-5:00 pm


10:00 am-6:00 pm


9:00 am-5:00 pm




8:00 am-1:00 pm

1 Saturday Per Month, Sept - May