Meet Our Team

Harriet Rosenthal
Office Manager

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Harriet has worked with Dr. Tanaka and Dr. Leong in various capacities since she was 18 years old. The Tanaka’s are her family. In her free time, she enjoys spending time with her family, baking, cooking and hiking.

Kelly
Dental Assistant

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Kelly is a graduate of Phoenix College and has been with Drs. Tanaka and Leong for

over a year now, beginning as an extern here in October 2023. She is planning to go to hygiene school next August at Phoenix College.

Kelly loves to hang out with her best friend Shay, as well as her other half Quade. They love to enjoy time at home watching movies. They don’t have kids, but do have a fur baby named Sith, but he likes to be called Stinky Boy :).

Alli Witt, RDH
Registered Dental Hygienist

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Alli is a Registered Dental Hygienist with a focus on oral and systemic health. She started her clinical dental training at Dr. Tanaka & Leong’s office in 2005 while attending the dental assisting program at Phoenix College. Alli also has a background in oral surgery assisting as well as insurance and front office management.

Alli finds the field of dentistry very rewarding and says “My goal is to provide comprehensive oral care by educating my patients on their oral & systemic correlation to improve their overall health. I am excited to have an opportunity to establish my career in my community and serve those living life with me as my neighbors. I strive to provide the highest standard of care while maintaining a gentle technique. I continue to be grateful for the trust of my team and loyalty of my patients as I aim to serve those around me.”

In her free time, Alli is very busy with her kids’ sporting activities, attending GCU events and spending family time together. She loves to take getaways with the dogs and the kids.

Dolores
Dental Assistant / Front Office

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Dolores’ favorite time in her career is working with patients to provide excellent dental care. She has been a dental assistant for 43 years, mostly with Dr. Tanaka and Dr. Leong. According to Dolores, “It is amazing experience to meet new patients and to see familiar faces, with in the practice, and truly believes “WE ARE FAMILY”.

Dolores also had the opportunity to work at the Phoenix College Dental Programs for 12 years as a Dental Lab Coordinator. Her outside interests are going to look for treasures, such as yard sales and she loves to work in her backyard.

Mercy
Front Office/Insurance

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Mercy has been working with our office for over 3 years now. She started here with an internship and now works in the front office handling insurance, treatment plans, and finances. She absolutely loves our patients and goes above and beyond to take care of them in the best possible way. She is currently continuing her educational pursuit in business and likes to enjoy her free time with family and her furry kids.

Yuni Obregon, RDH
Registered Dental Hygienist

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Yuni’s career began as a dental assistant before graduating from Phoenix College in 2007 with an Associates Degree in Applied Science and becoming a dental hygienist – which is when she joined our team. When she is not working she enjoys family time with her husband and three children, arts and crafts or going out on a hike.