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    Byron A Knowles, M.D. Ph.D

    3.3 (4 reviews)
    Closed 8:00 am - 5:00 pm

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    8 months ago

    No in-person exam, limited explanation of side effects, and issues I brought up weren't really addressed.

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    Sutter Health

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    11 months ago

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    Sutter Health

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    2 years ago

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    5 years ago

    FYI: His page says he is open to new patients. In fact, he is not open to new patients unless your primary doctor is a Sutter Doctor.

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    Skin and Cancer Institute - Product for hyperpigmentation

    Skin and Cancer Institute

    3.5(212 reviews)
    2.4 mi
    $$

    Love love my provider Maggie! I am suffering from severe scalp psoriasis and bad alopecia which has…read morebeen absolutely devastating and painful. She has been SO compassionate and doing everything she absolutely can for me to get better. She finally found a medication that is showing great results after years of different meds that never worked, I only got worse. This new med is showing improvement with every dose. Unfortunately it's very difficult to get coverage for the medication and Maggie is going above and beyond for me to stay on this course of treatment that's actually working! Since the improvement, she has also been able to start treating my alopecia which is so huge! I've been suffering for many years, seen multiple dermatologists, tried so many different meds and now I finally feel like I'm getting proper treatment. For the first time I feel like I matter and am starting the healing process! Thank you for everything Maggie, you rock and I love you!!!

    I've been a patient at Skin and Cancer Institute - I've been a patient at Skin and Cancer Institute…read more- Modesto for several years and have always paid my copays and any out-of-pocket costs at the time of service. At my most recent visit, I checked in as usual and was then called back to the front desk and told-- for the first time--that they now require a credit or debit card to be kept on file. I was not informed of this policy in advance when scheduling my appointment. I explained that I do not have a card on file, but I was fully prepared to pay my copay at the time of the visit, as I always have. Despite that, I was refused care. What was most concerning was not just the policy itself, but how it was handled: - No prior notice of the change - Being told only after check-in - No accommodation offered, even for a long-time patient in good standing I later confirmed this is a corporate policy and no exceptions are made. Patients should be aware that even if you are willing and able to pay at the time of service, you may be denied care if you do not provide a card on file. I recommend asking about this policy before scheduling. and have always paid my copays and any out-of-pocket costs at the time of service. At my most recent visit, I checked in as usual and was then called back to the front desk and told-- for the first time--that they now require a credit or debit card to be kept on file. I was not informed of this policy in advance when scheduling my appointment. I explained that I do not have a card on file, and I don't use debit/credit cards but I was fully prepared to pay my copay at the time of the visit, as I always have. Despite that, I was refused care. What was most concerning was not just the policy itself, but how it was handled: - No prior notice of the change - Being told only after check-in - No accommodation offered, even for a long-time patient in good standing I later confirmed this is a corporate policy and no exceptions are made. Patients should be aware that even if you are willing and able to pay at the time of service, you may be denied care if you do not provide a card on file. I recommend asking about this policy before scheduling.

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    The Skin Liaison Integrative Skincare & Acne Clinic

    The Skin Liaison Integrative Skincare & Acne Clinic

    4.8(62 reviews)
    43.9 mi
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    After the rave reviews on here, I took my daughter to get a facial with Denyse. Unfortunately, we…read moredidn't have the experience that the others had. We found her to be very nice but overpriced, over talkative, and not professional. Our appointment was at 1:30pm and she arrived at 1:35 with her lunch in hand. We had to wait outside until she unlocked the door. Her desk was a mess and she had trouble finding the intake form. We had to wait longer while she set up. It might just be my standards, but I think it shows professionalism and seriousness when the workspace is clean, clear and ready for business when your client arrives, especially to make a good first impression. Then, during the facial, while the mask was setting, she made a personal phone call where we could overhear her discussion. The extractions were quite painful and my daughter winced and moved her feet quite a bit to get through it. The appointment itself was close to 2 hours long. Once again, Denyse was friendly and I like her integrative approach but overall we do not recommend nor will be returning.

    Dynese's work is simply magic. As a young girl growing into my adulthood, I've struggled with…read morehormonal acne off and on for years. Before finding Dynese, I had lost all hope and confidence because of my stubborn acne. Not only do I see results immediately after going in for a facial, but Dynese's products that I use at home have consistently proven to be effective. If you struggle with acne, you know how vulnerable it can feel. What sets Dynese apart from others is this: she never pushes you to spend unnecessary money on products or treatments. She also kindly offers advice on other potential factors (diet, hygiene, stress levels, etc.) that could be effecting your skin to get to the root cause of your unique acne, instead of only offering temporary solutions. She is extremely personable, GENUINE, kind, and incredibly dedicated to her practice and clients. In my experience-- nothing, and I mean not a single product on the market, can out perform Dynese's. She's truly the best and I could not recommend her more. :)

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    Byron A Knowles, M.D. Ph.D - dermatology - Updated July 2026

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