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    Tsai Mark C, MD

    3.6 (20 reviews)

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    2 years ago

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    1 year ago

    Dr. Mark Tsai professional kind and be patient special take my mother so many years we are appreciated

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    2 years ago

    would recommend anyone else but mark Tsai very rude an lacks care for his patients...

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    Linda Hsu, MD - New location!

    Linda Hsu, MD

    4.6(32 reviews)
    3.3 mi

    I've called multiple times for different reasons and have left plenty of voicemails, but they…read morerarely answer their phone and never seem to call back. Days go by without any response, and I've had to go in person just to find out what's going on. It's really frustrating because a doctor's office should be accessible to their patients. I've called at different times and on different days, and it honestly feels like their phones aren't even being monitored. It shouldn't be this difficult to get in contact with your doctor's office when you need help or have questions. You should be able to get a response in a reasonable amount of time, especially when it concerns your health.

    Not only is she an amazing reputable physician, but she is full of passion, knowledge, wisdom and…read moredependable! I used to be with Kaiser for many years along with my children until I got to know Dr Linda Hsu's care by observing her in the medical field and getting feedback from not only her patients but also from staff in the hospitals, her colleagues and the community!!! I could not wait until it was time to enroll, and without hesitation, asked her to be my primary and my children's as well. It was the best decision I've made to know that someone truly cares about my well-being, physically, emotionally, mentally! She is a passionate woman who has so much love for mankind and dedicated to serve the community! She is a blessing!!! I also have to add that her staff in her office are very delightful and helpful!

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    Linda Hsu, MD
    Linda Hsu, MD
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    Hsu Diana, MD - I bet the albino turtle is treated better than her patients.

    Hsu Diana, MD

    1.5(15 reviews)
    2.5 mi

    This has been and continues to be a disturbing and stressful experience. My mother, who has…read moredementia and is an active patient under Dr. Diana Hsu's care, was left without essential medications during a transition to a neurologist. Both neurology offices confirmed that providing a temporary refill is standard practice for primary care physicians in this situation. Despite this, Dr. Hsu refused to refill the prescriptions, stating it was outside her specialty--leaving her own patient without medication. We were forced to escalate through insurance and go to urgent care to obtain medications that are routinely managed in primary care. In addition, our experience with the office staff was extremely frustrating. We often encountered confusion around basic insurance and care coordination questions and had to repeatedly follow up ourselves to move things forward. This added unnecessary stress during an already difficult situation. For a vulnerable patient with dementia, this lack of continuity of care and coordination is extremely concerning and raises serious ethical concerns, as going without necessary medication places a dementia patient at risk. This experience raises serious concerns about the standard of care being provided, especially for vulnerable patients such as those with dementia, where continuity of care is critical. Due to the seriousness of this situation, we will be reporting this through appropriate regulatory channels. Patients should be aware of how situations like this may be handled. We are immediately seeking a primary care provider that ensures appropriate and consistent care moving forward.

    This has been and continues to be a disturbing and stressful experience. My mother, who has…read moredementia and is an active patient under Dr. Diana Hsu's care, was left without essential medications during a transition to a neurologist. Both neurology offices confirmed that providing a temporary refill is standard practice for primary care physicians in this situation. Despite this, Dr. Hsu refused to refill the prescriptions, stating it was outside her specialty--leaving her own patient without medication. We were forced to escalate through insurance and go to urgent care to obtain medications that are routinely managed in primary care. In addition, our experience with the office staff was extremely frustrating. We often encountered confusion around basic insurance and care coordination questions and had to repeatedly follow up ourselves to move things forward. This added unnecessary stress during an already difficult situation. For a vulnerable patient with dementia, this lack of continuity of care and coordination is extremely concerning and raises serious ethical concerns, as going without necessary medication places a dementia patient at risk. This experience raises serious concerns about the standard of care being provided, especially for vulnerable patients such as those with dementia, where continuity of care is critical. Due to the seriousness of this situation, we will be reporting this through appropriate regulatory channels. Patients should be aware of how situations like this may be handled. We are immediately seeking a primary care provider that ensures appropriate and consistent care moving forward.

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    Hsu Diana, MD - Such a messy outdated place reminds me of the pet stores in Chinatown.

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    Such a messy outdated place reminds me of the pet stores in Chinatown.

    Tsai Mark C, MD - internalmed - Updated September 2026

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