Michael Siu, DDS

334 Dutton Ave, 94577, San Leandro

When you visit our office, you can sit back and relax in the care of our team. We hold ourselves to the highest of standards to provide the most gentle quality care. Our goal is to create a compassionate and empathetic atmosphere, where all patients are involved in the decision making of their health. Rest assured you and your family will be in good hands. Please reach out to us anytime at (510) 632-6654 to make an appointment, or to ask any questions you may have.

Opening hours

  • sunday: (closed)
  • monday: 8h-17h
  • tuesday: 8h-17h
  • wednesday: 8h-17h
  • thursday: 8h-17h
  • friday: 9h-13h
  • saturday: (closed)

Photos of Michael Siu, DDS

Michael Siu, DDS

Michael Siu, DDS: Reviews

5/5 (330 Reviews)

Reviews are the opinions of their authors. We do not verify that the author was a customer.

Reviews on Google

5,0 out of 5 from 330 reviews

Juan Alonso Published on Google

Fantastic experience: Dr. Siu and staff are very friendly and knowledgeable. Dr. Siu walked me through a procedure and answered all of my questions thoroughly. I recommend his services to anyone looking for a dentist.

Elena McDonald Published on Google

Fantastic experience: My appt time was honored in a punctual manner and services during appt. were consistant and respectful. I would recommend M. Siu.

Carla Jacobs Published on Google

Fantastic experience: Staff is always pleasant when I come to my appointments...Dr is nice and attentive

Tammy Hagans Published on Google

Fantastic experience: Great customer service and treatment. Would highly recommend.

Frank Torres Published on Google

Fantastic experience: Great service!

C C Published on Google

Fantastic experience: Nice experience

Veronica Montiel Published on Google

Fantastic experience: I love how friendly the staff is. Dr. Michael is so nice and answers any questions you may have. My son and I love coming here!

Nathan Castro Published on Google

Fantastic experience: Great work and friendly staff. Highly recommend and will be back. Have already recommended them to several colleagues and friends

Noe Gonzalez Published on Google

Fantastic experience: I had a great experience today at clinic. Everyone is very friendly and attentive to my needs. Thank you for your support.

Todd Petersen Published on Google

Fantastic experience: This is a fantastic dental practice!!! We are so pleased with the care and service for our entire family.

michelle banks Published on Google

Fantastic experience: My experience at Dr. Siu’s dental office is always great. Dr. Siu explains the process step by step and always asks if you have any questions before and afterwards. The friendly atmosphere is a definite plus too so for me, a dedicated doctor along with a friendly staff goes hand in hand. Keep up the great work.

kyoshiko60 Published on Google

Fantastic experience: Friendly and knowledgeable staff. They always do good work.

Nigell Osorio Published on Google

Fantastic experience: Michael is an absolute legend. I had the worst pain I have ever had in my gums and his clinic set up an Emergency Appointment for the next day. He fixed me right up and I left painless. I live an hour away and I still come here. Molar Mike over here is the GOAT.

Nayeli Bernal Published on Google

Fantastic experience: Dr. Siu is hands down the best dentist our family has ever had. He sees all three generations of our family (grownups, kids, older adults), and every single one of us actually looks forward to our appointments. He's thorough, patient, and takes the time to explain everything without ever making us feel rushed. Whether you just need a cleaning or you're coming in with a lot of work to be done, he meets you where you are, with zero judgment or shaming. Just honest care and a clear plan. His staff deserves just as much praise, especially the front desk. Everyone is warm, organized, and genuinely kind. Scheduling for a family could be challenging, but they make it so easy. If you're looking for a dentist for the whole family, this is the place. We can't recommend them enough!

Tera Hankins Published on Google

Fantastic experience: Dr. Siu is great. He and his staff are always professional. I love that Dr.Siu actually cleans your teeth. He is an honest dentist that cares for your teeth.

Tricia Walsh Published on Google

Fantastic experience: Thankful for a dental office who never keeps me waiting beyond 5 minutes. Staff are friendly, helpful and kind. Dr. Michael Siu is so efficient, professional and attentive. Best dental office experience I've ever had. I look forward to my dental cleanings and that’s saying a lot for someone who has white coat hypertension. I have been a patient for over 4 years. Grateful to have a dental team I can always rely upon. Thanks so much Dr. Siu and Staff! You're the best.

Judy Rowan Published on Google

Fantastic experience: Dr. Siu has a comfortable, clean clinic with easy parking. His staff is efficient and friendly. He is aware of my dental history and checks my teeth carefully. I’m glad we found him!

Kimberly Mc Published on Google

Fantastic experience: Love my dentist and the staff. Everyone super friendly and knowledgeable. I highly recommend Michael Siu DDS

Greg Griffin Published on Google

Fantastic experience: “I’ve been going to Dr. Siu for a few years and I have no complaints. He’s a great dentist and a nice person.

Ed Jones Published on Google

Fantastic experience: Today, I had a dental appointment with Dr. Siu, DDs, and as usual, it was a pleasant event. The staff as always were courteous, professional and easy to communicate with!

KD M Published on Google

Fantastic experience: I have no complaints just praises. Dr. Siu and staff are professional and the atmosphere is amazing. From our experiences thus far, you're in and your problem is acknowledged, then you follow up (come back), and the problem is addressed. We wanted an OG in the field and found one. Dr.Sui has the knowledge, skill, and experience to get the job done. No upsell, no b.s., just consistent 5 star service in a tranquil and welcoming environment. Shout out to Zuleika, she does her thang! and to all the dental assistants, you are all so kind and treat my children very well. Thank you so much

William Wei Published on Google

Fantastic experience: Have been with Dr Siu for a couple years and he's been really attentive and caring with all of my cleaning. Would highly recommend anyone looking for a good neighborhood dentist!

Adrienne Yarbor-Blacksher Published on Google

Fantastic experience: I was a new patient and needed several services.. I was nervous and scared, Dr. Siu did an exam and performed emergency services. I want to receive future care from him and the staff!

Marcus Reynolds Published on Google

Fantastic experience: Transferred to Dr. Siu when my dentist decided I would have to pay upfront for dental cost. Dr. Sui's prices are reasonable and you are not left feeling like you got robbed. You are seen on time and he gets straight to work. I would recommend him to anyone with Delta Dental insurance.

snake510ful Published on Google

Fantastic experience: Amazing experience! Michael Siu was very kind and an amazing person and his helper was super kind too!

Oscar Scott Published on Google

Fantastic experience: The front desk greets you with a smile, then a pleasant "good morning"! Always professional. The Dental Assistant always pleasant and professional! Dr. Siu, very professional, engaging, and gentle! Best dental office selection decision since moving from Oregon!!

Matt Calvert Published on Google

Fantastic experience: No wait, friendly and efficient care. Easy parking, easy scheduling, timely reminders. Pretty perfect.

Rosie Joiner Published on Google

Fantastic experience: He was really perfessional. I enjoyed going to him.

Denise Vega Published on Google

Fantastic experience: Great Dentist and super nice staff/assistants. Location is close to home which I like.

Jennifer Manuel Published on Google

Fantastic experience: Dr. Siu is the gentlest dentist I have ever had. My 6-month cleaning are seamless, quick, and no pain or discomfort whatsoever. He is also the dentist of my kids now. I appreciate the numerous appointment reminders (since they only happen every 6 months), via email and phone. I highly recommend Dr. Siu.

Barbara Cox Published on Google

Fantastic experience: Great service. Very gentle when cleaning my teeth and answered my questions very quickly.

Lisa Gutowski Published on Google

Fantastic experience: I wouldn't go anywhere else ! Doctor Siu is thorough, informative and personable. He takes the time needed, doesn't rush and listens to what your experiencing upon your visit. His approach is long term care not one stop shop. I am very grateful he is my dentist. His team also is top notch just love the girls ! If you need to visit a dentist I highly recommend Dr. Siu !!!!

Chrismarie Sanchez Published on Google

Fantastic experience: Dr. Siu is thoughtful and caring. He addresses my concerns quickly and thoroughly, and communicates clearly. His staff is kind and helpful. I’m so glad we found him after moving to the East Bay area in 2022. Appointments are easy to make and the text message reminders are appreciated.

Ryan Munoz Published on Google

Fantastic experience: Always a 5 Star experience whenever I visit Michael Siu, DDS and staff.

Zachary Bernard Published on Google

Fantastic experience: I’m so grateful I found Dr. Siu. After my last dentist retired, I tried a couple of different dentists before landing on Dr. Siu. I chose his practice because of their honesty and straightforward business practices. Highly recommend.

Fran Warmerdam Published on Google

Fantastic experience: Dr. Siu and his assistants are always timely, listen and respond to my concerns and my teeth look great! My teeth cleaning took less than 30 minutes and was completely thorough!

Raquel Morales Published on Google

Fantastic experience: Dr. Siu was very kind to see me today for a painful tooth. His office was technically closed but he was able to see me and take care of the issue. He explains things very thoroughly and answered my questions. I was impressed at my first visit and I’m glad I sound this dentist after I moved to the area.

Vicki Breitinger Published on Google

Fantastic experience: I could not be happier with Dr. Siu and his practice! Dr. Siu is awesome! He is kind, professional, informative and goes out of his way to listen , share what he is doing and why and answers any questions you have, with patience. He takes seriously any issues you may have or be concerned about so you are seen and heard :) He cultivates a partnership in care. He is gentle and does not rush any procedures. His front office manager, Zuleika , and all of his assistants are just as awesome! I would say that every visit is more like seeing family and friends and you can trust you are in good hands :). So glad to have such a great dentist!

Siobhan Cushing Published on Google

Fantastic experience: Everyone is very helpful and always professional.

Juanita Gonzalez Published on Google

Fantastic experience: Dr. Michael Siu, Donna & staff are very professional, very positive experience.

Erica Brooks Published on Google

Fantastic experience: Just had a cleaning and Dr. Siu and his staff are always great! They also use new technologies which make your visits easier and more effective.

Esther Johnson Published on Google

Fantastic experience: Staff is very kind and professional. Very warm atmosphere. I’m always satisfied when I leave

Sara Stone Published on Google

Fantastic experience: Dr. Siu is thorough and caring. I love that he does the cleanings himself. I highly recommend him!

ditto dianto Published on Google

Fantastic experience: Just had my dental cleaning with Dr. Michael Siu and it was such a great experience! The whole team is super friendly and professional. Dr. Siu is gentle, thorough, and takes the time to explain everything, which I really appreciate. The cleaning was comfortable and my teeth feel amazing afterward. The office is clean and welcoming, and I never feel rushed. Definitely recommend Dr. Siu if you’re looking for a dentist who really cares about his patients!

Cynthia Lakes Published on Google

Fantastic experience: Dr. Siu and his staff are great. Hygienists provide very thorough and professional cleaning. State of the art equipment. Highly recommend.

Marcia Hecht Published on Google

Fantastic experience: Dr Siu was able to see me when I had an emergency, even though I was here visiting. He was gentle and thorough, and his front desk help was pleasant and friendly. I’m now a patient of his and will see him when I’m in town.

Matt Bigler Uhl Published on Google

Fantastic experience: Excellent dental care by Dr. Siu and his staff. He fitted me with a new crown for my dental implant, and my endodontist couldn’t tell which was the real tooth, the match was so good!

Sue Tang Published on Google

Fantastic experience: The office staffs are friendly. Dr Siu is very professional and gentle with the cleaning.

Sr. Patrick Elizabeth, AF Published on Google

Fantastic experience: Really nice staff and great dentist

Thooraya Mused Published on Google

Fantastic experience: I really appreciate how straightforward and professional this dental office is! I recently applied for Blue Shield Dental and Vision PPO, and since I live nearby, I decided to give them a try. Before that, I went to my old dentist from my university days to check on a chipped tooth — but the experience was overwhelming. They seemed more focused on upselling electric toothbrushes and pushing me into a strange membership plan, rather than actually addressing the issue. I was panicking, thinking if I didn’t do something right away, they’d extract my tooth — and I’m only 26! The nerve was inflamed, and the pressure made it worse. This new dentist, though, is a breath of fresh air — simple, smart, and genuinely professional. No gimmicks, no pressure — just honest care and clear communication. It’s rare to find a dentist who’s truly there to help, not hustle. Highly recommend!

Kyle Lei Published on Google

Fantastic experience: I have been going to this dental office for years. Dr. Siu and his staff are always professional and friendly. Most importantly, Dr. Siu is very trustworthy, and he won't recommend any procedures that are not needed, and I can trust that he will give me an honest opinion.

Betty Peterson Published on Google

Fantastic experience: After hearing all positive reviews about Dr Siu from family and friends, I decided to switch from my previous long time dentist. I’m so glad that I did, and only wish I had done this sooner! I had an excellent experience with Dr Siu and everyone in his office. He is thorough, thoughtful, highly skilled and honest. After a complete exam, cleaning and analysis of the x-rays, he gave recommendations and options for next steps that were reasonable and well thought out. I look forward to working with Dr Siu for all of my dental needs.

ivan sham Published on Google

Fantastic experience: Professional, honest, transparent, friendly service. I've been a customer for many years.

charles grace Published on Google

Fantastic experience: Great experience, I would recommend everyone who fears dentist to Dr Michael. He is the best!

Beatriz Castillo Published on Google

Fantastic experience: Dr. Siu and staff are very friendly and very profesional, he is super gentle I always have good experience I really appreciate your service

William Kearney Published on Google

Fantastic experience: Helpful and efficient. This was an initial assessment so the real work will come later.

Jacob Chi Published on Google

Fantastic experience: As a dentist myself, I can say that Dr. Siu genuinely cares and doesn't try to upcharge or oversell things. He is sincere and would treat you as he would be treated. Dr. Siu also actively keeps up with the latest learnings and skills, which shows his passion and enthusiasm for the art of dentistry. Also, the front staff is very accomodating and flexible, which is a huge plus. Though the office might not be the latest and greatest in terms of decor and design, they definitely bring back the "family" in family dentistry. Highly recommend!

Leslie Robertson Published on Google

Fantastic experience: Friendly. State of the art tools. Best cleaning I’ve ever had.

Kelly Brady Published on Google

Fantastic experience: Consistently great experience !

Andrew Metzger Published on Google

Fantastic experience: Dr. Siu was great! I will definitely be back.

Maria-Ines Carrera Published on Google

Fantastic experience: Dr. Siu's office is wonderful. The staff is kind, friendly, and efficient, always able to get me scheduled quickly, and they provide me with useful information up front about insurance coverage and estimates. Dr. Siu and his assistants are also very friendly and gentle, and explain things thoroughly. Prices with in-network Delta PPO are very reasonable. So glad I switched to Dr. Siu!

R C Published on Google

Fantastic experience: Friendly staff and great service.

Davis Koenig Published on Google

Fantastic experience: Always kind, gentle, and professional. Top notch care.

Elaine Wallace Published on Google

Negative experience: I found out today after I had service that The office has stopped taking my insurance. That gives me concern because I have no idea what they are going to charge me for the four x-rays and the cleaning. The charges are not on their website so I would be able to know in advance. They waited until today after the service to tell me they will be billing me. I have been going to that office with all the prior dentist since I was eight years old and I am now 76 so I have a long history with that office. I am not happy

R S Published on Google

Fantastic experience: just have to say everyone here is welcoming and nice. Highly recommended! You’re in good hands.

Michael Aquino Published on Google

Fantastic experience: Love Dr. Siu. He’s attentive and runs a great practice.

Timothy Rhee (Network Staff - Bangkok/Blacksburg/...) Published on Google

Fantastic experience: I went to Dr. Siu for check up and cleaning. He was professional and thorough. I would recommend him whole heartedly!

Maria Segura Published on Google

Fantastic experience: The dr is very friendly also the personnel very happy been at these practice for over 10 years

Gina Christopher Published on Google

Fantastic experience: Love this practice - Dr. Siu is kind and efficient. Highly recommend

Fishing with Steph Published on Google

Fantastic experience: I loved my experience with this Dentist office. The front desk lady and the dental assistant (sorry I forgot your names) were the best. There calm sweet demeanor made the experience even better. Then I met Dr.Siu and I knew then and there I was at the right place. I have not been to a dentist in a while and I would say who ever reads this you should for sure come here. They will make you comfortable and feel like family. Thank all of you for the hospitality see you Thursday.

Pooran Panwar Published on Google

Fantastic experience: He is my all time fave!

Genesis Nambo Published on Google

Fantastic experience: I switched my dentist to this place and have been very satisfied. They fixed my crown and clean my teeth regularly. The staff is very nice and the doctor is wonderful.

David Lucero Published on Google

Fantastic experience: Wonderful doctor and staff. Level of service and care are professional and very competent.

Vince S. Published on Google

Fantastic experience: I'm a first time patient and was thoroughly impressed by office staff, dental assistant and Dr. Siu. I'd definitely recommend to others.

Delafayette Detoles Published on Google

Fantastic experience: Tip Top Service From Start To Finish

Aaron Scott Published on Google

Fantastic experience: Great staff! Dr Siu answers questions that concern you regarding your dental care, in detail. A wonderful dental experience.

monica rodriguez Published on Google

Fantastic experience: After going to many different dentist, I finally found my home dentist. Welcoming, efficient and honest.

susanna lopez Published on Google

Fantastic experience: Staff is friendly and attentive. They are up to date with technology and send text message remainders when it’s your next visit or you can always ask for the little card with the date. Dr. Michael Siu is very friendly and always makes sure one is comfortable during their visit. I highly recommend Dr. Siu and staff they get the job done and will explains things in a professional and attentive manner. I’ve been coming to this location for a very long time and always leave satisfied and content. Thank you all for taking care of me and my family after all these years!

Ruth Lumley Published on Google

Fantastic experience: Appt went well, and on time. Tooth feels good today.

Tom Stone Published on Google

Fantastic experience: Dr. Siu and his staff are wonderful! My family and I actually enjoy going to the dentist :)

Ianet Dalida Published on Google

Fantastic experience: I’m so happy to see Dr Siu again after 3 years .I moved to Roseville 3 years ago and I’m back again in the Bay Area the first thing I did is to make appt for my Dental checkup and I’m really pleased the care I got from Dr Sui he is gentle in doing my prophylaxis I am very sensitive I usually get numbed first before doing it but with Dr Siu is painless and his office doesn’t charged too many extras like other dental office . I always tells my family He is the best Dentist I ever had . I can always recommend him .

Yu-Ting Chen Published on Google

Fantastic experience: Thorough teeth cleaning . Clean and professional facility and service!

Lena Korn Published on Google

Fantastic experience: I hadn’t been to the dentist in an embarrassingly long time and was super anxious but Dr. Siu came highly recommended. Every single person from the customer service rep at the front counter to the dental hygienist to Dr. Siu was so kind, patient, and non-judgemental. Dr. Siu explained everything every step of the way, showed me my X-rays and pictures and was so responsive. I appreciated the care and time Dr. Siu put into my appointment. I will definitely be going back!!!

Vicente Roman Published on Google

Fantastic experience: Staff was friendly and prompt, appointments were well scheduled and thorough.

Carl LaRue Published on Google

Fantastic experience: The doctor did a great job with the cleaning. He always does a great job!!

Dian Johnson Harrison, MPA, MSW Published on Google

Fantastic experience: I did and appreciate the office staff, hygiene assistant and Dr. Siu’s professionalism and skill! Glad I found y’all and my husband may be coming your way. See you soon!!

Lisa Taylor Published on Google

Fantastic experience: Great dentist and office experience. Dr. SIU is very accurate with the cleaning and care of my teeth and knows the history of my teeth. He's on time with appointments and has great office staff to help with clients. A great dentist to go to for dental services.

Padgitt Houston Published on Google

Positive experience: I'm a new patient ro Dr. Siu but the process was very painless. When I made my appointment, the receptionist was nice and professional explaining my insurance options. The dental assistant was gentle and explained everything she was doing. Dr. Did was down to earth and realistic with treatment options and care. I'm very satisfied with the service I received and would highly recommend this office if you are looking for a great dental experience!

Terri Lucero Published on Google

Fantastic experience: Professional, gentle and just a really good dentist. leading tech (but not crazy) and they took my insurance. yay!

Tom Skjervheim Published on Google

Fantastic experience: Dr. Siu and his team made it easy to schedule and come for a first visit. The team was efficient and did an excellent job. I would recommend to others.

Sharon Weinberg Published on Google

Fantastic experience: Dr. Siu is an excellent dentist who is sensitive and responsive to a patient’s needs. Thank you.

A B Published on Google

Fantastic experience: Dr. Siu is always gentle and patient caring. I haven't had a bad experience to date.

Lorine Bakowsky Published on Google

Fantastic experience: Dr. Siu is very friendly and professional and listens to my concerns.

Michele IDIART WALSH Published on Google

Fantastic experience: Dr. Siu is very good. His assistant is especially attentive to my special needs. I recommend them highly.

Decode Published on Google

Fantastic experience: Excellent in providing dental care, very thorough and cleans my teeth very well during my visit. Office is very clean and on time with my appointment. Definitely recommend him.

Andrea Ceballos-Lee Published on Google

Fantastic experience: I recently visited Dr. Siu's office for a tooth extraction, and the entire procedure was seamless! Dr. Siu's attention to detail and gentle approach exceeded my expectations. Additionally, the staff, especially Zuleika, is incredibly kind and professional. She always greets me and others with a warm welcome. I highly recommend Dr. Siu's office! :)

Kenny Ly Published on Google

Fantastic experience: New patient. Had a standard check up with Dr. Siu. Staff was super friendly, and the check up and cleaning were smooth and painless. Would describe doctor as meticulous and confident.

LeChelle Marbley Published on Google

Fantastic experience: I look forward to my dentist appointments because of the great service that I get. From the very first appointment, Dr. Siu and his staff have been wonderful. I recommend anyone who is looking for a dentist to go to him. You will not be disappointed.

Justin Moore Published on Google

Fantastic experience: Best dentist ever. Always on time. Very efficient.

Tomoyo Kitazawa Published on Google

Fantastic experience: Staff is very friendly and helpful, and doctor is very kind and caring.

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