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    John Samuel Woo, DDS MS

    5.0 (2 reviews)

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    4 years ago

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    Petaluma Orthodontics - Dr.Woo, Dr.Ng and Dr.DeBerardinis

    Petaluma Orthodontics

    4.7(42 reviews)
    0.0 mi

    Let me begin by saying that I may not be the average patient of Petaluma Orthodontics as I am in my…read moremiddle-ages and with no children. However, noticed just over a year ago that several of my bottom teeth had started to rearrange themselves and to my eye had become pretty unsightly. I was recommended to Petaluma Orthodontics. The entire experience, from my first consultation with Dr. DeBardinis and his treatment coordinator, Gina, to each of the follow-ups along the way have been wonderful. The office itself is friendly and cheerful with the entire building graced with an African Safari for its interior design. The staff is professional, while not overly clinical, meaning that I feel that everyone that works there is warm and friendly. Who would not want to go back for appointments? Dr. D (the shortened name that he welcomes you to use) is equally friendly and professional. He showed me what was going on with my teeth and recommended a year of Invisalign treatment. The work he did during this past year included carefully carving out additional space between some teeth, none of which was painful in the least. And he was right -- exactly a year later my teeth are straight. Actually, they are better than they were pre-treatment and I am truly grateful. I recommend Petaluma Orthodontics for your family and personal orthodontic needs. Your smile will thank you!

    Petaluma Orthodontics is the best place to have your teeth made beautiful. Efficient. Runs on time…read more Conscientious. Both my husband and I had our teeth fixed with Dr. Woo. We couldn't be happier with the outcome. You won't be sorry!

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    Petaluma Orthodontics - Marc DeBerardinis, DMD, MS

    Marc DeBerardinis, DMD, MS

    Petaluma Orthodontics - John S. Woo, DDS, MS

    John S. Woo, DDS, MS

    Petaluma Orthodontics - Our former patient showing her beautiful new smile

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    Our former patient showing her beautiful new smile

    Kirk Orthodontics

    Kirk Orthodontics

    4.4(17 reviews)
    3.0 mi
    Offers payment plans
    Free consultations

    There office staff is rude. I called them multiple times almost a year ago asking if I still owed…read moreany money towards my act. They said no I was completely paid up and that's why I wasn't receiving the blue envelope bills in the mail. Then nearly a year later they said I owe 300 which bothered me get this then they said I owed a 1000 because they had accidentally charged someone else's card for my payments. Mind you my child's braces were removed close to 4 years earlier than they said in the treatment plan. Never was I given an explanation why they were removed nearly 4 years early. You would think that the early removal would deduct from original plan price. Nope the $7000 plus price didn't change even my child on had a 4 year early removal. That makes zero sense. The price was based on the amount of check ups she was gonna have. Honestly the staff is so rude in the office and even ruder when I see them in the community. Why were my child's braces removed nearly 4 yrs early and why didn't that change the price and why should I be responsible for their billing mistakes. This place is referred thru medi-cal so we are poor and can't afford health insurance but somehow we have to foot the bill for only a year of service. Do not go here. They will be dishonest, make mistakes and treat you badly!

    Dr. Kirk is the man behind this smile. I used to have a gap so big that you could fit a number 2…read morepencil in it but now it's history! I came here because my coworker was really happy with her children's' teeth. I didn't get braces until college, but Dr. Kirk was really cool about making sure my teeth looked great without robbing me of my tuition. He gave me a bunch of options, and I chose to just get upper braces. I can't say getting them tightened was the most comfortable experience, but everyone in the office made the experience tolerable. Thanks you Dr. Kirk! I love my teeth now and get compliments pretty regularly - great confidence boost!

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    Kirk Orthodontics - Kirk New Logo

    Kirk New Logo

    Kirk Orthodontics
    Kirk Orthodontics - Michaela's smile after Dr Kirk magic.

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    Michaela's smile after Dr Kirk magic.

    Hartford Koenitzer Dental - Dr. Koenitzer & Dr. Hartford

    Hartford Koenitzer Dental

    3.8(70 reviews)
    1.4 mi

    i look forward to come here , Dr Hartford ( that includes Dr Keonitzer too of course) is the top…read morenotch best dentist office you can imagine, every time i go there i leave with happiness and gratefulness to the service and treatment i get. They are so friendly and most important listen to you to the last minute without interruption. My bridge came out today so i go there and Dr Hartford did a filling on one of the tooth underneath the bridge ( had decay on one of them )and cemented back the same bridge that fell out, i asked him whether i need a new bridge he told no this is still good and no need for a new one. ( saved me approx $4,000) . He could have easily told me i needed new bridge, but his honesty plays big part here and you can feel he is so genuine and not greedy whatsoever. My bridge feels so good and i am very comfortable. I want to thank you again for your excellent work along with the entire staff including Dr Keonitzer. Am glad we have you here to be honest you are the very best. And always feel relaxed to be treated at your dental offices, that includes my entire family of five they all feel the same way. Musa A.

    I've been coming to Dr. Hartford's office for my regular cleanings for a while now and I just have…read moreto say this place sets the bar. Every single visit the staff is thorough, friendly, and makes you feel genuinely welcome from the moment you walk in. They don't rush through the cleaning and always make sure everything is done right. But what really makes this place special is Dr. Hartford himself. He always takes the time to stop by during my visit just to check in and ask how things are going. It's a small thing, but it makes such a big difference; it never feels like just another appointment. You feel like an actual person, not just a patient on a schedule.

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    Hartford Koenitzer Dental - Dr. Koenitzer

    Dr. Koenitzer

    Hartford Koenitzer Dental - Voted 2013, 2014, 2015 and 2016 Best DDS in Petaluma

    Voted 2013, 2014, 2015 and 2016 Best DDS in Petaluma

    Hartford Koenitzer Dental - Your caring and competent DDS and staff

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    Your caring and competent DDS and staff

    John Samuel Woo, DDS MS - orthodontists - Updated August 2026

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