1. Phong Bui , MD

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Fountain Valley, CA

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Phong Bui , MD

2.5 (27 reviews)

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28

2 years ago

Helpful 3
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7 months ago

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10 months ago

Helpful 2
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2 years ago

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1 year ago

Helpful 2
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3 years ago

Helpful 3
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5 years ago

Helpful 21
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3 years ago

Helpful 3
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2 years ago

Helpful 4
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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.

Helpful 3
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Oh no 1

4 years ago

Helpful 5
Thanks 1
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3 years ago

Helpful 4
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6 years ago

Helpful 9
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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.

Helpful 4
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8 years ago

Helpful 0
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9 years ago

Helpful 8
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5 years ago

Helpful 0
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Photo of Mona B.
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203

8 years ago

Helpful 2
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11

8 years ago

Helpful 1
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Photo of N. K.
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7 years ago

Helpful 6
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9 years ago

Helpful 7
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6 years ago

Helpful 0
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6 years ago

Helpful 0
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9 years ago

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

Helpful 1
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Photo of Lynn N.
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5

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

Helpful 1
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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

My family and I have been going to Dr. Ha for over 15 years. He truly is the best! He is sweet,…read morecaring and never makes you feel rushed. He politely answers all my questions (no matter how ridiculous they may be) in great detail. He is super knowledgeable and keeps up to date on current medical issues. He takes appointments as well as "walk-in" appointments, which really makes it convenient to see him. If you are in the market for a new doc... He is the man to go see!

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.

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Waiting room

Phong Bui , MD - internalmed - Updated October 2026

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