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    Phong Bui , MD

    2.5 (27 reviews)

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    6 months ago

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    9 months ago

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    5 years ago

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    3 years ago

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    2 years ago

    He is more interested in my race than my sickness. He could be more humble and caring. Never went back there.

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    4 years ago

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    3 years ago

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    6 years ago

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    4 years ago

    I wasted 3 months trying to reach them, calling 6 different time only to be told he does not treat my issues. What a joke.

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    8 years ago

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    9 years ago

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    5 years ago

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    8 years ago

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    8 years ago

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    7 years ago

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    9 years ago

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    6 years ago

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    6 years ago

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    9 years ago

    Nothing really to say. I see him every six months for blood tests and refills for medication

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    8 years ago

    Doctor Bui is very friendly and very knowledgeable. His office is big and clean. I would definitely see him again.

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    8 years ago

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    8 years ago

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    Manish B Marolia, MD, FAAP

    Manish B Marolia, MD, FAAP

    4.5(44 reviews)
    1.6 mi

    This review is longggg overdue!…read more Love love love Dr.Marolia and his assistant Simone! When I gave birth back during the pandemic , I didn't have a pediatrician and he happened to be rounding at OC memorial . Have had all good experiences. I got pregnant with my daughter and decided to continue treatment with this doctor . Simone is very friendly and my kids are great patients because of her. Office is always clean and the wait times are almost non existent. Thank you Dr Marolia and Simone !!! - Perez family

    Dr Marolia is unfortunately no longer my son's pediatrician because we moved counties away but I…read morewanted to say that this pediatrician office was basically assigned to me at birth based off my OBGYNs recommendation. I didn't do my own research, I thought that was a later thing not an at birth thing, anyways, he was assigned to me and I never left because he was just such a great Dr. If my child had an issue like an infection or a fever and I needed guidance or to bring him in, his office always did the best to accommodate wether it was a last minute appointment or a call with the Dr himself. I always felt like he listened and I just trusted him. I'm sad we left because I haven't found a Dr yet that I trust as much as him for my son, but I felt like it was important to come and just show my appreciation for someone in healthcare for the right reasons. Thank you Dr Marolia and team

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    Manish B Marolia, MD, FAAP
    Manish B Marolia, MD, FAAP
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    John W Wang, MD - John W Wang, MD

    John W Wang, MD

    1.0(1 review)
    2.7 mi

    I have been a patient for Dr John Wang in Fountain Valley, CA for close to 20 years and have…read morefollowed him though several office changes over this time. However, since he has joined Memorial Health Care all things have gone for the worst... You now can't call his office directly and you have to go through the terrible Memorial Care screening system first. Yesterday that took me 3 hours of wasted time where I never even got the doctor's office on the phone. I am covered by Medicare plus I have a costly PPO supplement policy and I never requested to be with Memorial Care so I definitely don't want to be treated like I am with an HMO. Very frightening!! Last week due to communication problems between the doctors offices within the Memorial Care system, I almost missed a needed medical procedure due to their negligence... If that wasn't bad enough those I spoke to within Memorial Care didn't even care as if I was wasting their personal time which is horrific!!! Memorial Care makes you go through their Patient Navigators- I wouldn't trust them to navigate me to the Bathroom. THEY ARE THE WORST!! Due to these issues, I have requested for my complete records file so that I can bring these records to a new doctor and Dr Wang's office wouldn't get my records for me!!!!!!!!! I don't understand why they couldn't do this since that is a requirement of all doctor's to do when requested by a patient. I can only recommend for others to stay as far away as possible from Memorial Health Care or Dr John Wang unless you may want to be treated as I have been. I am on Medicare plus I have a very expensive PPO supplement

    From the owner: Dr. John W. Wang, who specializes in internal medicine, has relocated his successful Southern…read moreCalifornia practice to Fountain Valley. Dr. Wang is board certified in internal medicine. He received his M.D. degree from the University of Texas, San Antonio after graduating with honors from the California Institute of Technology. As a primary care physician (PCP), Dr. Wang is your personal physician, generally the first person you see for a regular physical exam or specific health problem. He will know all about your medical history, changes that have occurred over time, and your ongoing health and wellness. Dr. Wang will recommend an individual, customized treatment plan for you to begin feeling your best. He will refer you to specialists as needed and will track and monitor your specialty care as it relates to you as a whole person. Our patients enjoy service in a clean and stylishly modern office setting. Consultations are completely confidential and done in a comfortable and friendly manner.

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    John W Wang, MD - MemorialCare

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    Robert T Ha, MD - Dr. Robert Tae Ha

    Robert T Ha, MD

    3.5(12 reviews)
    2.0 mi

    I usually don't leave reviews like this, but my recent experience with Dr. Ha's office was deeply…read moredisappointing--especially due to the behavior of a staff member named Stella. From the moment she answered the phone, Stella sounded irritated and impatient. Her tone was far from professional, and throughout our conversation, she made me feel like I was bothering her just by asking basic questions. When there was a language barrier, instead of trying to clarify or assist, she became visibly frustrated--as if it was my fault that she couldn't understand. Her attitude felt dismissive and rude, almost like she didn't want to be there at all. I'm not sure how someone with such poor communication skills and such an unwelcoming demeanor ends up working in a front desk role. A medical office should be a place where patients feel heard, respected, and supported--unfortunately, my experience with Stella was the exact opposite. I sincerely hope the office takes feedback like this seriously, because the first point of contact can make or break a patient's trust in the practice.

    Dr. Ha is one of the best doctors I've seen throughout my life. His bedside manner is one that you…read morejust don't see anymore. He takes his time with you and is Thorough with everything he does. He has the ability to foresee things that haven't even happened yet based on conversations you have with him. I recommend him highly. I don't think you'll find a better doctor than him.

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    Phong Bui , MD - internalmed - Updated September 2026

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