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Meet Our Doctors

General Dentist
Dr. Chuck Le
Dr. Chuck Le is the founder of 7 Day Dental and is a recognized leader in the field of dentistry. He immigrated to the United States in the 1970s to attain the American Dream through dedication, effort, and hard work. Following an intensive academic education in high school, Dr. Le entered the prestigious School of Dentistry at the University of Southern California (USC), where he participated in the first accelerated Doctorate of Dentistry program, and in 1989, after only six years, he graduated with his Doctor of Dental Surgery (DDS) degree. Read more…
General Dentist
Dr. Leon Ren
For over 20 years I have dedicated my practice to creating profound improvement in the quality of my client’s lives through Cosmetic Dentistry. To me, this means making a lifelong commitment to each of my clients’ happiness and wellbeing.

My conviction for fine cosmetic dentistry comes from a unique passion I share with few others in my field. I discovered my artistic talent at a very young age and have pursued the study of art ever since. Being able to combine my natural talent for painting and fine cosmetic dentistry allows me the privilege of truly enjoying my profession. For this reason, cosmetic dentistry fulfills an important component of my life’s purpose. Throughout my 20 year career in Cosmetic dentistry, I have created thousands of amazing smiles for celebrities, athletes and ordinary people who strive to improve their lives. Knowing that my artistic talent applied in cosmetic dentistry can change people’s lives is the most rewarding experience. From this inspiration, I have formed a charity foundation “Life is Beautiful Charitable foundation” to use my professional skills to help victims of abuse and hardship transform their lives through cosmetic dentistry. In addition to cosmetic dentistry, I have made a personal commitment to continuously strive for excellence in the areas of health, spirituality, and mind within my own life. I aim to help my client create the same level of excellence in theirs.

Graduated from Loma Linda School of Dentistry with Honor in 1992

Extensive training in Cosmetic Dentistry at the prestigious Las Vegas Institute

Member of American Academy of Cosmetic Dentistry

Dr. Debora Bitton
Dr. Debora M Bitton is a USC graduate with over ten years’ experience in the dental field. Originally from Brazil she got her dental degree from Federal University of Rio de Janeiro followed by a two year residency in periodontics. She worked in the Brazilian Navy, serving military families for over 4 years. Most of that time she was dedicated to treating mainly children.  Dr. Debora also worked as assistant professor in the Periodontics department in Loma Linda School of Dentistry.  Dr. Debora likes to work at 7 day dental because here we are committed to delivering the best care to our patients.  Dr. Debora has two kids and her favorite activity is spending time outdoors with them.
General Dentist
Dr. Colin Le
Graduated from UC Irvine with a double major of Psychology and Biological Sciences, Dr. Colin Le has a wide range of experiences that involve him in the medical field. As these were his first majors at UC Irvine, he began working as a paramedic in Orange County. Though, as he continued to work in this field, he realized that his heart was for dentistry. He saw the harmful effects of dental diseases upon people who had little access to dentistry. Thus, he changed his career and soon involved himself in dentistry, attending Loma Linda University School of Dentistry in which he graduated from in 1993. Read more…
General Dentist
Dr. Michael Welcome
Dr. Michael J. Welcome attended the pristigeous school of UC Irvine for his B.S. in Biology. In 1988, he graduated USC School of Dentistry. He is a married man with 5 wonderful children ages 2 ½ through 18 who he adores. Aside from being an excellent dentist, he enjoys fishing and playing different sports.
General Dentist
Dr. Kirk Hobock
Dr. Kirk Hobock graduated from the University of Southern California, otherwise known as USC. He is an extremely positive, happy doctor who loves to make his patients feel welcome and feel comfortable, especially because he wants his patients to leave receiving positive results that will make their smile better. He believes that changing smiles and beautifying them will in effect change the lives of patients, making them happier, healthier, and more positive. Thus, throughout his daily schedule at 7 Day Dental, he works to make is patients leave with a more beautiful smile. Read more…
Dr. Rabin Marfatia
Dr. Rabin Marfatia is our Pediatric Dentist, specializing in the dental care of infants to teens. Dr. Marfatia completed his undergraduate studies Molecular and Cell Biology from the University of California Berkeley followed by his doctorate degree in dentistry from the University of Southern California, School Of Dentistry in 2001.

Inspired to help young children, Dr. Marfatia went on to further his training by completing a residency in Pediatric Dentistry from the Columbia University/New York Presbyterian Hospital; one of the top Children’s Hospitals in the country.

Dr. Marfatia is board certified Pediatric Dentist, member of the California Society of Pediatric Dentists, American Academy of Pediatric Dentist, and American Board of Pediatric Dentist.

Dr. Marfatia’s goal is to provide dental care for toddlers to adolescents and make their experience at our dental office as comforting, educational, and fun as possible. He has extensive experience in behavior management, oral sedation, and IV sedation to help provide a positive experience for your child.

General Dentist
Dr. Tu Quynh Nguyen
Graduating from Northwestern Dental School, Dr. Tu Nguyen has been working in the field of dentistry for about twelve years. A third of those years were spent at 7 Day dental, where she finds is one of the best places to work at. She deems 7 Day Dental to be one of the best because she knows that patients are given quality care in all phases of dentistry at the offices. She loves how 7 Day Dental provides care in all areas of dentistry—general and specialists—making it more convenient for the patients. Thus, 7 Day Dental is the office for her.  Read more…
General Dentist
Dr. Evan Paul Georgieff
Dr. Evan Paul Georgieff completed his study of dentistry at the University of the Pacific in San Francisco in 1990. Dr Evan is extremely talented and has an amazing ability to perform his dental treatments with virtually no pain. He is certified to perform oral surgery, dental implants, and also practiced while in the U.S. Navy.  Read more…
General Dentist
Dr. Arthur Cabrera
Dr. Arthur Cabrera is one of our practicing doctors here at 7 day dental.  Not only is he a dedicated and talented doctor but he uses his skill and excellent communication skills to educate and care for his patients with the utmost attention.  He is fluent in both English and Spanish.  Dr. Cabrera attended San Jose State University, University of Colorado, Boulder, and USC School of Dentistry and graduated June 1976.  He grew up in San Jose, California as well as Boulder, Colorado.  Read more…
General Dentist
Dr. Hamlet Ong
Dr. Hamlet H. Ong has been in practice for over 20years. He grew up in Fullerton , CA having attended Servite High School, USC, and received his DDS degree from Georgetown University in 1988. He has been on staff at the USC School of Dentistry for many years, in the department of Community Dentistry. He also a member of the American Dental Association, California Dental Association, and the Harbor Dental Society.

Dr. Ong strives to provide the most professional and comprehensive dental treatment to his patients in the most gentle and caring manner. In keeping up to date on the latest in dentistry, Dr. Ong has taken many hours of continuing education in all facets of dentistry. Being a general and family dentist, he has treated patients of all ages from young children, teens, adults, and seniors. Dr. Ong believes strongly in educating the patients about their dental condition and if needed, the treatments that are necessary and beneficial for them, including cosmetic dentistry. He looks forward to providing the best dental experience for all his patients. Dr. Ong would like the opportunity to be your dentist.

General Dentist
Dr. Lisa Tran
Coming soon…
General Dentist
Dr. Vinod Rana
Dr. Rana has been practicing dentistry for over 3 decades, and has attended many continuing education seminars, as well as actively organized several dental continuing education courses. He is a caring and gentle dentist, for whom his patient’s dental health is of utmost importance. He believes prevention is better than cure. He emphasizes in a treatment plan which is comprehensive. predictable and easily maintained to achieve optimum health.

He is a member of American Dental Association, California Dental Association, Indian Dental Association and Associate Fellow American Academy of Implant Dentistry.

Dr. Rana has been married for twenty-nine years. He enjpys music, reading, hiking and watching moves.

General Dentist
Dr. Joseph Chen
Dr. Joseph Chen received his DDS degree from New York University and completed advanced training in Prosthodontics at Loma Linda University. In 2013, he received the Nobel Scholars award presented by Nobel Biocare at Loma Linda University. Dr Chen joined the staff of 7 Day Dental in 2013, practicing general dentistry and prosthodontics.

Prosthodontics is the dental specialty pertaining to the diagnosis, treatment planning, and rehabilitation of patients with clinical conditions associated with missing or deficient teeth and/or oral and maxillofacial tissues. Prosthodontists are experts in implant surgery, and restorations such as crowns, bridges, dentures, and onlays. Dr. Chen also has expertise in bone grafting and several types of oral surgery.  We are happy to have Dr. Chen on the staff of 7 Day Dental.

General Dentist
Dr. Anh Nguyen
Dr Anh Nguyen is another one of our practicing doctors here at 7 Day Dental and she is a University of California, Irvine graduate. She attended the University of the Pacific School of Dentistry and graduated Doctor of Dental Surgery in 1997. For the past twelve years Dr Nguyen has lived in the county of Sacramento and recently relocated to Orange County to be closer to her family. Dr Nguyen strongly believes in comprehensive care and preventative care with an emphasis in early childhood dental disease intervention. In February 1997, due to lack of access of dental care for underserved children six years and under across the state, Dr Nguyen has participated in an extensive training sponsored by the California Dental Association Foundation and California Society of Pediatric Dentistry through a Pediatric Oral Health Access Program. She enjoys working with the children and share with parents the ways to improve their oral health. Dr Nguyen looks forward to reconnect with the new community she is living in and would like to participate and volunteer for children in need. She enjoys spending quality time with family and friends, exploring new trails in her new community, and participating in her son’s school activities.
General Dentist
Dr. Stanley Kim
Dr. Stanley Kim grew up in the city of Orange. From an early age, he excelled among his young peers by winning spelling bees, graduating at the top of his class, and winning scholarships.  Among many aspirations in life, being a doctor in the health field was one of his primary goals. Attending UCI after high school, he realized that California was a small part of the large picture in life. With a leap of faith, Dr. Kim decided to go New York for dental school.  The adjustment period to a different culture and school proved to be a tough challenge. The maturing process took perseverance, but defined the dentist Dr. Kim would eventually become. Upon graduating from NYU Dental School, Dr. Kim went on to complete 2 years of residency in Brooklyn as well as 2 years of Geriatric Fellowship at SUNY, Downstate.  Dr. Kim has also been published in the esteemed Journal of American Dental Association. These post graduate experiences led Dr. Kim to realize the importance of oral care in the overall community.

His mantra is that oral healthcare should be accessible to all. Coming back to California, Dr. Kim has worked in private dental offices, community clinics, and even mobile dentistry for the elderly and patients with special needs. He has recently joined the excellent team of doctors at 7 Day Dental.

On his days off, Dr. Kim loves hanging out with his family. His personal hobbies include golf and “flipping” old Japanese motorcycles.