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    David H. Ong, DDS

    4.8 (47 reviews)
    Closed Closed
    Updated 3 months ago

    Services - David H. Ong, DDS

    Cavity treatment

    Dental exams

    Tooth filling replacement or repair

    David H. Ong, DDS Photos

    Recommended Reviews - David H. Ong, DDS

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    11 years ago

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    11 years ago

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    8 years ago

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    15 years ago

    Best dentist I've ever had. The staff is really nice and all the procedures are quick and painless.

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    9 years ago

    I recommend going here, perfect for your family. The owner is very gentle on your teeth and really good service.

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    9 years ago

    love my pearly whites dr. ong!!! thank you staff!

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    10 years ago

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    Ask the Community - David H. Ong, DDS

    Do they accept Care Credit?

    Yes we do

    Do you accept Cigna DMO? What insurances do you accept so we can confirm if employer offers it? Thank you

    Yes we do accept Cigna.

    Would you accept a new patient, referred by Dr. Ong, OD?

    Yes please call the office at 925-778-8780 to get an appointment. Thank you

    Do you take walkins?

    Sorry we do not take walk ins. Please call the office at 925-778-8780 to make an appointment.

    Do you accept California Dental Network (covered california)?

    Please call the office at 925-778-8780 to ask Jennifer if we take it?

    Are you in network with Cigna?

    Yes we are a provider for Cigna

    Hi do u accept Delta dental and united health care?

    Yes we accept delta dental ppo plan. You can call office at 925-778-8780 to make an appointment

    Hello. Do you accept Met Life?

    Yes we are a provide for MetLife dental insurance. Please call office at 925-778-8780 to schedule an appointment.… Read more

    Do you take DeltaCare USA insurance?

    Sorry, we do not take that insurance

    Hi Doc David,how are you. I have a tooth problem and suffering this for almost 2months now,i referred to have a root canal but its very expensive. Just want to pull it out(extraction?) so that my suffering will end and treatment that i can afford.

    Please call my office at 925-778-8780 to book an appointment. Thank you

    Good evening, are you a Delta preferred dentist?

    Yes I am.

    Good morning. Do you accept Cigna?

    Yes we do. Please call the office at 925-778-8780 to schedule an appointment. Thank you and we look forward to seeing you.

    Do you accept Indemnity Dental Insurance?

    Please call the office at 925-778-8780 to find out it we take it. I’m not sure and don’t want to give you the wrong answer. Thank you

    Do you guys accept DHMO insurance plans?

    Sorry. We do not except HMO

    Do you accept Medicare?

    Sorry. We do not accept Medicare

    Hi do you accept met life?

    Yes I do.

    Do you except medi cal?

    Sorry, we do not except medi cal. Try Western Dental

    View All 18 Questions

    Review Highlights - David H. Ong, DDS

    My anxiety started to rear it's head again but Dr Ong and the wonderful staff quickly made me feel comfortable.

    Mentioned in 33 reviews

    Read more highlights

    Diablo Hills Dental Excellence - Bottom 2 teeth are were the fillings were done. Unclean work, the floss couldn't even pass through.

    Diablo Hills Dental Excellence

    4.5(65 reviews)
    0.8 mi

    Very professional staff , welcoming , friendly , efficient and on time , no waiting . Dr Palanos…read more(twins) absolutely the BEST -I HIGHLY recommend taking any dental issues to this fantastic practice. Jeff K

    I recently completed my Invisalign treatment at Diablo Hills Dental "Excellence" and I feel it's…read moreimportant to share my experience. While I had high hopes for my treatment, I encountered several serious issues that left me feeling frustrated and undervalued as a patient. My treatment began on July 12, 2021, under Dr. Charlie Palayno, but I was later reassigned to Dr. Nick. During a recent appointment, Dr. Nick acknowledged that communication needed improvement but assured me that my treatment would proceed smoothly. However, in my next visit, Dr. Charlie Palayno informed me that my treatment had been deemed too prolonged and that he would not be continuing it. When I requested to review my contract, I was met with a dismissive response. He even yelled for someone to "deal with her" when he refused to continue my treatment, which was incredibly unprofessional and left me feeling scared. Throughout this process, I never received any apologies for the distress I experienced. I attempted to explain that my delays were due to personal circumstances affecting my dental hygiene, but my concerns were met with frustration rather than understanding. Additionally, I faced issues when trying to order a new retainer after losing mine. I was initially told I couldn't place an order due to a charge on my family account that I clarified was not my responsibility. After speaking with a manager, I was eventually allowed to proceed with my order, but it felt like pulling teeth (pun intended). I also can't shake the feeling that I was treated differently during my treatment due to my age, which adds to my disappointment with this practice. I understand that being culturally competent can be challenging in today's world, but I believe it is essential for providing quality care. During a meeting with management to discuss my concerns, I clarified that I had not yelled at any employees; rather, I was expressing my frustration with how I felt I was being treated. I pointed out that the practice was charging me $485 for what seemed unjustified, and I made it clear that I found this unacceptable. After experiencing numerous issues throughout my treatment, I felt it was difficult to remain courteous. While management seemed to empathize with my situation, I left feeling perplexed by the lack of accountability for the problems I encountered. Last week marked my final appointment, and I was unaware it was my last until after leaving. Shortly after, I received a call stating that the practice would be discontinuing their services with me due to our previous conversation. I have since requested this decision in writing for my records. While I appreciate the initial care I received, the overall experience has been disappointing and distressing. I hope the practice can improve communication and treatment protocols for future patients. Plenty of places need to get shut down. They remain open. That's life. (Also a lot of these good reviews are because they offered whitening pens to guests if they left a review. I have heard terrible stories about this place from many)

    Photos
    Diablo Hills Dental Excellence - Swimming in the caves! HAVE A GREAT TIME THANKS TO DR.Nima! SMILE !!!!!!!!!!

    Swimming in the caves! HAVE A GREAT TIME THANKS TO DR.Nima! SMILE !!!!!!!!!!

    Diablo Hills Dental Excellence
    Diablo Hills Dental Excellence

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    David H. Ong, DDS - generaldentistry - Updated June 2026

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