Call our Office Today at (714) 784-0163 and Schedule your Appointment


3620 S. Bristol St
Suite 307
Santa Ana, CA 92704
Phone: (714) 784-0163


Monday: 9:00am – 7:00pm
Tuesday: By Appointment Only
Wednesday: 8:30am – 5:30pm
Thursday: 9:00am – 7:00pm
Friday: 8:30am – 5:30pm

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Meet The Team

We are always welcoming new patients at Bay Dental, and we would love to have you as part of our dental family.

At Bay Dental we are truly a family practice. Dr. Shahin Mahallati works along with his wife and Dental Hygienist Brandi. All of our staff members have been with our practice for over 10 years, so you will be seeing the same friendly faces every time.

We pride ourselves in providing a state-of-the-art facility for the highest quality dental care available. It is one of our top priorities to protect the well-being of our valued patients. For this reason, our office meets and surpasses all OSHA (Occupational Safety and Health Administration) and CDC (Center for Disease Control) standards. We are confident that you will feel right at home in our office as we welcome all patients as if they were family.

We offer same day emergency and evening appointments to fit your busy schedule. Learn more about Dr. Mahallati and the staff here at Bay Dental.

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Dr. Shahin Mahallati, DDS

My name is Shahin Mahallati and you could say that I have Dentistry "in my blood". My father, brother, and three of my cousins are all dentists, and I practice dentistry along with my wife Brandi. I was born in Iran, but moved to the United States as a teenager. I graduated from USC in 1995 and moved to Orange County in 1997. I have extensive continuing education in Orthodontics and Implant Dentistry. I enjoy helping people achieve and maintain the smile that they want while providing an enjoyable work environment for my employees. My background in engineering and my love for learning has helped me stay at the forefront of technology in our practice. When I am not working, I enjoy doing Yoga and swimming or traveling with my family.

American Dental AssociationCalifornia Dental AssociationOrange County Academy of Cosmetic Detistry
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Sergio Santos
Operations Manager

I have had the pleasure of working for Dr. Mahallati at Bay Dental since 2000. I have over 20 years experience in the dental field. I take pride in helping provide a family atmosphere for our employees and patients in our office. I am married and have four children. In my spare time, I enjoy spending time with my family, and following my favorite sport teams.

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Gina Palacio
Hygiene Coordinator

My name is Gina Palacio and I live here in Santa Ana. I attended Saddleback High School and the Regional Occupation Program for dental assisting and front office. I have worked for Dr. Mahallati since 1997. I enjoy being part of a team that is committed to our patients, continuous learning and keeping up with advanced technology. I have two sons who I enjoy going to the beach with and shopping.

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Brandi Mahallati
Registered Dental Hygienist

My name is Brandi Mahallati and I was born in Los Angeles, California. I moved to Orange County in 1997 where I currently live with my husband and two beautiful daughters. I worked in different settings as a dental assistant for 3 years. My love for the profession flourished and I decided to further my career and continued on to earn an Associates of Applied Science in Dental Hygiene in 2003. I enjoy caring for my patients and strive to make them feel welcomed. I continue to further myself through continuing education courses. In my free time, I enjoy spending time with my family and traveling.

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Bonnie Diaz
Lead Dental Assistant

I am a registered dental assistant. I have 25 years of experience in all aspects of dentistry. I have had the pleasure of working with Dr. Mahallati since 2000, and I absolutely love what I do. I enjoy making a difference in our patients' lives by helping them improve their smiles. I have been married for 32 years and have six children. In my free time i enjoy hiking, swimming and vacationing with my family.

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Holly Vu
Registered Dental Assistant

I am a caring and gentle dental assistant. I've been in the dental field for over 15 years. I have a wide range of skills as I have worked in pediatrics, orthodontics and general dentistry as well. I am proud to be a part of Bay Dental. In my spare time, I enjoy running, playing sports and spending quality time with my family and friends. I feel strongly about being able to give every patient the opportunity to enhance his/her smile with the utmost care and compassion. Nothing is more rewarding than seeing the smiles of our patients when they are completed with their treatment.

Angie Santos

Angie Santos
Registered Dental Hygienist

My Name is Angie Santos and I have lived in Orange County for 15 years. I possess more than 20 years of progressive experience in the dental field. I worked as a Registered Dental Assistant for 18 years and then decided to further my career by receiving my Associate of Science degree in Dental Hygiene. I am a focused yet compassionate dental hygienist who takes pride in making patients feel comfortable. I am also enthusiastic about dental care and enjoy educating patients about personal dental care, hygiene, and preventative techniques. I am married and have two children. In my spare time I enjoy traveling and spending time with family and friends.

Angie Santos

Raquel Macias
Registered Dental Hygienist

Raquel received her goal of becoming a dental hygienist by receiving a degree in Dental Hygiene from Concorde Career College. She has been in the dental field for over ten years as an assistant prior to becoming a hygienist. Raquel strives to make every patient she works with feel comfortable and well educated on the importance of good oral health. When not at work, She loves spending time with her daughter Khyla, traveling, and trying new restaurants.

 Joel Alegria DA

Joel Alegria DA

My name is Joel Alegria and I was born in Queretaro,Mexico. I came to the United States in 20111. Ever since I was a kid , I knew the medical field was for me. After searching different options, dentistry got my attention. I started working in the dental field in 2017 and so far I'm loving it. Working with Dr. Mahallati has been awesome. I'm hoping to further my career in the future. I enjoy caring for our patients and making them happy. In my free time I enjoy hiking, working out, the beach, and spending time with my family.