AboutNuvo Dental
Nuvo Dental is a Union City based family dentist practice that treats patients of all ages. We are committed to delivering the highest quality dental care and do so using advanced dental equipment. We are a cosmetic dentist that offers services like checkups, teeth cleaning, veneers and more.
We also perform emergency dentist services that include bonding, root canals, crowns, and bridges. As a local dentist, we create lifelong relationships with our patients and their families and work to ensure that they receive treatments in a comfortable and relaxed environment. Dr. Mercedes Leoncio and our team invite you to schedule an appointment by calling 510-402-2049 and experience why our patients think Nuvo Dental is the best dentist in Union City.
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Dr. Leoncio, DDS
Dr. Leoncio, DDS
Dr. Mercedes Leoncio was born and raised in the Bay Area. She attended college at the University of the Pacific Stockton campus in the advanced pre-dental program. During her time at Pacific, Dr. Leoncio served as President of Tri-Beta, the National Biological Honors Society and earned her Bachelor of Sciences degree, graduating Cum Laude. She then went on to the University of the Pacific School of Dentistry where she earned her Doctorate of Dental Surgery. During her time at the Dental School, she served as President of the Delta Sigma Delta Fraternity. She is currently a member of the American Dental Association, California Dental Association, Southern Alameda County Dental Society, California Center for Advanced Dental Studies and the American Academy of Clear Aligners, SF Study Club Chapter. Dr. Leoncio loves working on children and has a passion for her Invisalign cases as a Gold-Plus tier Invisalign provider. She enjoys participating in the annual “Give Kids a Smile” event at UOP’s Union City Clinic. In her free time, Dr. Leoncio enjoys spending quality time with her family and watching local sporting events. (Go Niners, Go Giants, Go Warriors!)
Dr. Nguyen, DDS
Dr. Nguyen, DDS
Dr. Nguyen is a Bay Area native who grew up in Cupertino and graduated cum laude from UC San Diego with a bachelor’s degree in Biochemistry and Cell Biology. Loving her time and the weather in Southern California, she went on to receive her DDS from UCLA School of Dentistry. Dr. Nguyen then embarked on an adventure and moved to New York City to complete a rigorous General Practice Residency at Lincoln Hospital in South Bronx where she gained further exposure to all aspects of dentistry and fell in love with the Big Apple. Dr. Nguyen’s favorite part of being a dentist is getting to meet new patients and developing the patient dentist relationship. She is a member of the Santa Clara Dental Society, California Dental Association and American Dental Association. In her free time Dr. Nguyen loves being active, hiking, trying out new restaurants and spending time with family and friends. Dr. Nguyen has a sweet tooth and loves baking and drinking boba.
Dr. Amun Rattan, DDS
Dr. Amun Rattan, DDS
Dr. Amun Rattan is a lifelong resident of the Bay Area who studied at University of the Pacific for his advanced general dentistry residency, Doctorate of Dental Surgery, and Bachelor’s degree in Biology. He is a current member of the American Dental Association, California Dental Association and the Southern Alameda County Dental Society. Dr. Rattan is known for patiently educating his patients with anything from tips to care for their oral health at home to detailed discussions of the risks and benefits of same-day treatment options, and he says that his favorite thing about dentistry is building long term relationships with his patients based on compassion and mutual trust. Outside of the office, Dr. Rattan can often be found cooking or baking, making music, watching movies and relaxing with family.
Dr. Doreal Onea, DDS, MS
Dr. Doreal Onea, DDS, MS
Dr. Onea received his Doctor of Dental Surgery degree from the University of Pacific San Francisco, and completed a three year post-doctoral periodontal program at the University of Oklahoma Health Sciences Center, where he received a Master of Sciences degree in Periodontics. His educational background also includes pre-doctoral studies completed at California State University, Hayward, where he received a Bachelor of Science degree in General Biology, and prior to that a Biology teaching degree from the College of Baia Mare, Romania.
He is a member of the Alpha Epsylon Lambda Honor Society , American Academy of Periodontology, California Periodontal Society, American Dental Association, California Dental Association and Sacramento Dental Society.
Dr. Onea’s knowledge and experience in the field of Periodontics were tested and endorsed by the American Board of Periodontology of which he is a diplomate – a significant accomplishment for a periodontist. He has Advanced Cardiac Life Support certification, he is a provider of Continuing Education courses for dentists, and a California state inspector for IV sedation certifications.
His active lifestyle and hobbies include dentistry and its gadgets, nature photography, skiing, kayaking, motorcycles and traveling .
Meet Our Team
Alondra Soto Hurtado
Registered Dental Hygienist
Rosswell Liongson
Registered Dental Assistant
Wendy Pluth
Registered Dental Hygienist
Anali Munoz
Dental Assistant
Flora Mostamondi
Dental Assistant
Rowena Zamora
Treatment and Financial Coordinator
Samantha Cabrera
Schedule Coordinator
Normalicia Cervantes
Insurance Coordinator
Michael Wonder Asanji
Office Manager