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    Greiner John B Dr DDS

    5.0 (1 review)

    Services - Greiner John B Dr DDS

    Cavity treatment

    Dental exams

    Tooth filling replacement or repair

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    5 years ago

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    Downtown Dental Care

    Downtown Dental Care

    4.1(14 reviews)
    3.1 mi

    Great care, and understanding staff. 10/10 for friendliness, cleanliness, attitude, communication…read more(billing, procedure, and care options) and willing to work with us financially and mentally. LGBTQIA+ friendly, and reccomended by One Iowa. If you are up front with dental anxiety or the amount of money you can spend, Downtown Dental Care bends over backwards to do what they can for you. Anecdote/Example time: My partner has had many teeth degrade due to depression/fear of dentists, so much so that another dentist told her she'd lose all her teeth. However, when my partner was in incredible tooth pain, we went to Downtown Dental Care as it was recommended by One Iowa. We explained that she had dental anxiety, and when we arrived, everyone (from Joni at the front desk to Dr. Riley himself) was kind, understanding, and patient with my partner. No guilt or blame were given for the state of her teeth. There was only a focus on "get you better" and looking to the future-- no shame or chiding! Prodecures were explained to us step-by-step, all matter of fact without judgement. All tooth care has been presented with options and explanations of each option for us, like the cost physically vs financially for a root canal vs a tooth pulling. Not only have we been given options for treatment, but when Dr. Riley cannot do something himself (either due to his practice (like pulling teeth) or due to cost (root canal), he recommends the best place to go- a surgeon who also understands dental anxiety, or Iowa City Dentistry School for cost. One additional thing to add: My partner has Delta Dental, and the staff, hygienists, and Dr. Riley, have all helped her navigate her insurance and pointed out the next steps she needs to do when they cannot do something for her. It is incredible, personal care. Needless to say, despite my partner's dentist anxiety, she loves the team at Downtown Dental Care!

    Did five fillings all of them had cavities underneath I found this out because one broke off and I…read morewent to a different dentist.

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    Andrew W Chan, DDS

    Andrew W Chan, DDS

    5.0(1 review)
    2.7 mi

    I was referred to Dr Chan by my dentist. I was a little concerned when I looked at his plaque on…read morethe wall graduating from a school other than the University of Iowa, my alma mater. But he turned out to be this cute little funny doctor. He overexplains everything. Tells you everything he's doing every step of the way and sings to you. I was finagling appointments between the endodontist and dentist office. The dentist numbed me up for the endodontist office because my procedure at the dentist office made me slightly late for Dr. Chan. Dr. Chan was still overly concerned to make sure that I wouldn't experience any pain. This is an endodontist that thoroughly checks, rechecks, and rechecks again his work. It's too bad that I'm his first reviewer, but if it makes you feel any better I am an RN who has worked in over 60 hospitals across the USA. I know the good from the bad doctors. He must be a great endodontist anyway because he gave up a life in NYC to serve the people of the DMI, right?

    From the owner: Procedures:Root Canal TherapyEndodontic RetreatmentApicoectomyCracked TeethTraumatic InjuriesDr…read more Andrew W. Chan was born and raised in New York City, NY. He earned his Bachelor of Arts in Economics from New York University in 1991. From there he worked as a Research Associate/Fund Accountant in a capital management firm in New York City. In 1994, Dr. Chan attended Columbia University, College of Dental Medicine and graduated in 1998 with his Doctor of Dental Surgery. He then completed a one year General Practice Residency at Long Island Jewish Medical Center in New Hyde Park, NY. He then went on and completed his two year Endodontic Residency at Temple University in Philadelphia, PA in 2001. Afterwards he then joined a group practice in Jenkintown, PA practicing until March 2003 when he moved to Iowa and opened his own practice, Central Iowa Endodontics in Des Moines and Marshalltown, IA.

    Greiner John B Dr DDS - oralsurgeons - Updated August 2026

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