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 the 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. Dr. Leoncio is a Silver-tier Invisalign Provider. She enjoys serving at the the Union City Pacific Clinic in their annual “Give Kids a Smile” event. In her free time, Dr. Leoncio enjoys playing volleyball, cooking, spending quality time with her family and going to sporting events (Go Niners, Go Dubs, Go A’s!!).
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
Dr. Divleen Bains was born in India and raised in Southern California, but has called the Bay Area home since 2012. She received her Bachelor of Sciences degree from the University of the Pacific Stockton campus, graduating Cum Laude. She then went on to receive her Doctorate of Dental Surgery and graduated with Honors from the University of the Pacific School of Dentistry in San Francisco. She is currently a member of the American Dental Association, California Dental Association, and the Southern Alameda County Dental Society. Dr. Bains takes pride in providing thorough and thoughtful care to all her patients, and building positive dentist-patient relationships. She values the patient’s well-being and strives to keep each patient comfortable and at ease.In her spare time she enjoys cooking, reading, hiking, traveling, and binge-watching tv shows.