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David D Dang, MD

3.4 (46 reviews)
Closed 9:00 am - 5:00 pm

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1 month ago

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1 year ago

Very good care. Thorough exam and bloodwork. Great bedside manner. Nice staff. Clean facilities.

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1 year ago

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3 years ago

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1 year ago

loved the staff and the doctor was excellent. thank you again................. the best service i have ever

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4 years ago

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3 years ago

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4 years ago

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8 years ago

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8 years ago

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Gina T.

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8 years ago

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6 years ago

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7 years ago

Thank you Dr. Dang for TV program 57.4 every Wed. from 6:30-7:00pm.

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10 years ago

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8 years ago

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10 years ago

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6 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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7 years ago

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9 years ago

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8 years ago

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Gina T.

Love it when we get positive review. Wish we could read Vietnamese.

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7 years ago

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8 years ago

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9 years ago

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10 years ago

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8 years ago

Dr.đang is very caring helpful. All staffs are nice and friendly. Thank you for your sevice.

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11 years ago

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David D.

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10 years ago

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7 years ago

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8 years ago

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9 years ago

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8 years ago

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8 years ago

Nhân viên rt nhit tình, hoà nhã và d thng. Bác sĩ rt tn tâm và gii thích cn k thc mc ca bnh nhân

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12 years ago

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12 years ago

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11 years ago

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Ask the Community - David D Dang, MD

Review Highlights - David D Dang, MD

Dang and his staffs are by far the most gentle, knowledgeable, patient and kind physicians I've met.

Mentioned in 19 reviews

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Precision Rheumatology

Precision Rheumatology

4.0(8 reviews)
2.8 mi

Sudden unprofessional behavior and poor communication from provider Christian Luafau…read more I've seen provider Christian Luafau at Precision Rheumatology twice before without any problems, which is why my most recent visit shocked me. This time, the interaction was extremely unprofessional. I was never informed that my lab orders were sent electronically. Previously, I was given paper forms and told I could take them to any Quest. No one called, emailed, or communicated that the process had changed. When I tried to explain this, Christian Luafau repeatedly cut me off and labeled me "hostile," even though I was just trying to understand what happened. Instead of helping resolve the miscommunication, he abruptly switched me to another provider with a much longer wait time and said, "Now you'll have to wait longer." I left the appointment with no refill plan, no guidance, and the feeling that I was being punished rather than supported as a patient. Patients with chronic conditions deserve respect, patience, and clear communication. The way this situation was handled caused unnecessary stress and left me without timely care. I hope the clinic reviews how this encounter was handled to prevent this from happening to others.

It was my first time seeing Christian and he was great!! I asked a lot of questions. Had me do…read moreblood for a ton of tests.. Looking to see if I my diagnosis of Fibromyalgia is all that's going on. He's also checking to see if there is anything else I may have. I've seen a lot of rheumatologists and he is the very first one who has listened to me and taken action!!

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Precision Rheumatology - Medical Sign No Relevance other than address.

Medical Sign No Relevance other than address.

Precision Rheumatology
Precision Rheumatology

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UCI Medical Center - The Neuropsychiatric Center at UCI Medical Center.

UCI Medical Center

2.3(848 reviews)
2.6 mi

On Friday night, January 30, 2026, during an incredibly stressful situation involving my father's…read moreskilled nursing facility, the ER team at UCLA Medical Center in Orange stepped up in a way I will never forget. It was a busy Friday night, yet the staff treated my father with urgency, dignity, and genuine compassion. What could have been a chaotic and impersonal experience instead felt human and attentive. After we arrived, the ER team worked tirelessly -- not just medically, but administratively -- coordinating with insurance, social workers, and case management. When my father became stuck in the ER due to complications with his prior facility refusing readmission, the UCLA team did not give up on him. They continued advocating, communicating, and ultimately helped secure placement in a better facility after nearly a week in limbo. That level of follow-through meant everything to our family. I especially want to recognize Nurse Claire in the ER. Her kindness and humanity were extraordinary. She gave my father blankets, made sure he was comfortable, and even offered me blankets, food, and water during a long and emotional night. She cleaned my father up with such care and dignity. After 10 hours of uncertainty, she brought calm, reassurance, and genuine bedside compassion that I will never forget. I also want to thank Dr. Carson Dangberg for advocating for my father during a very unfortunate situation. His professionalism and willingness to step in made a real difference. In one of the hardest moments for our family, this ER team reminded us that healthcare can still be compassionate and patient-centered. We are deeply grateful.

This is today's ER visit. So disappointing since I was a proponent of UCI and felt they were very…read morevery good. Went to the ER at around 6:00 AM. Had woke at 1AM with chest pressure(not pain), horrible nausea that was not relieved by my zofran at home. And just felt awful in general. Met with doctor and explained I had a history of tachycardia but it didn't feel like that was more like a heaviness and said nausea is very bad. Said I had a history of GERD. Also said I have been fighting a case of SIBO also. Said in addition I have lung disease. Tests were then performed (blood work) and chest xray to rule out any heart issues. Perfectly needed. Was sent to wait for results. Waited several hours. No one came to start an IV for hydration or any pain meds or GERD meds. One would think if you mentioned you woke at 1am and it's hours after and you've been nauseated, you MIGHT be dehydrated. I kept watching people being put on IV's and nothing yet for me. My test results came back (saw them on my chart) indicating no heart involvement. So still no move to address my nausea. I had been trying not to vomit for 6 hours. Then a nurse came out and said I was being discharged. I then said I have received nothing for my nausea! She said do you want to talk to the doctor? well duh yeah don't they come and say what the diagnosis is upon discharge? So she sent a message to him. An hour passed and I threw up bile in the bathroom and felt a little better. I told nurse I may just leave as I guess I'm not going to get any meds. she called the doctor and he came and said I didn't have a heart attack. I repeated I didn't get anything for my nausea. He says he will send a prescription to pharmacy for Zofran. I told him at check in I had them at home and they didn't work this time. At that point they wanted me to wait yet again going on my 7th hour there but I left. I could not believe this. So weird. I should have gone to my primary doctor but at 5 am his office isn't open. anyway I'm never going there again.

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UCI Medical Center - Welcome desk at the Chao Family Comprehensive Cancer Center.

Welcome desk at the Chao Family Comprehensive Cancer Center.

UCI Medical Center
UCI Medical Center - Valet services at UCI Medical Center.

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Valet services at UCI Medical Center.

St Joseph Heritage Medical Group

St Joseph Heritage Medical Group

3.2(19 reviews)
1.0 mi

This is my main office that whenever I need to see a doctor. The appointment as I was on time and…read morethe location is easiest for parking and the office is clean.

My husband and I have been going here for years with Dr. Clark who was amazing. Now that we've been…read moreseeing Dr. Nguyen I have found the entire system and staff to be very unaccommodating to say the least. Everything is extremely slow and requires an appointment for a simple response on test results etc. but it's fine we followed the process. Now that I am disabled and unable to walk, I found it to be beyond upsetting that they would not provide me with a virtual appointment to discuss my test results where I was physically in office to provide the sample the previous day. The results were emailed to me by the lab the previous night, and the medical assistant told me that I wouldn't need to come in again just to hear my results from the doctor. She made a mistake and scheduled an in-office visit instead, and when I didn't receive a phone call, I called in. They said that I would need to schedule another appointment for another day to hear from a doctor. They wasted my time when I should've just gone to urgent care. I expressed my hardships and pain I was experiencing, but there was no sense of empathy or flexibility. They already know about my recent knee surgery, yet they were unwilling to accommodate. I find that to be extremely sad that we would call this healthcare.

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St Joseph Heritage Medical Group
St Joseph Heritage Medical Group
St Joseph Heritage Medical Group

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Rumotologest

Rumotologest

1.0(1 review)
3.3 mi

To whom it may concern:…read more We arrived at the Doctors office 2min. before our appointment with all our paperwork filled out. After presenting 6 pages of paperwork we asked for a copy. The receptionist responded as if we had NO right to the information on the papers. For some strange reason she was under the impression that sharing the information with the patient would breach some confidentiality or at least that was her attitude. Later after we had left the office I was informed Papa's Care Giver had paid 20 cents a page for the documents we had provided the Office. We sat down and waited. 1 and 1/2 hours we waited. Then we were asked to go to the exam room. Again we waited, another 1/2 hour. 15min of this time the doctor sat with a Sales Lady who had brought salad for the Doctor's lunch. I do not know if the Sales Lady had an appointment, but I do know she did not wait. Food appears to be a priority with the Doctor. On the wall of the waiting room is a sign asking clients to be patient as the Doctor will provide the same attention to each client in turn. The Doctor finally entered the exam room, not reading any of the 6 pages we had submitted, she began asking questions of her brand new Spanish only speaking client. The Doctor does not speak Spanish. Her Nurse was called to translate. She asked where the pain was. I pointed out to her that her client was 87 years old and has many pains from his stroke some 3 years earlier, he has many doctors who treat his many pains, and she may want to explain the kind of Doctor she is so her client might have a better idea how to answer her question. (Quite frankly I was not sure what kind of pain a Rheumatologist would be looking for either. Apparently she wants to treat his joint pain.) After asking many of the questions provided in the paperwork she had not looked at, she asks her client to get into a gown. Once gowned and on the exam table the Doctor proceeds to bend and twist her clients joints with little consideration for him wincing in pain each time she pushes him beyond his limits. The Doctor decides he needs injections in his shoulder and ankle. After the injection the Doctor says he can get dressed and the Doctor leaves the room. A short while after leaving and while I'm helping my Father-in-law with his clothes I notice a lot of blood on his foot and the floor. A pool of about 3" x 6" has accumulated on the floor. I called for the Doctor and she starts to clean it and them calls for the Nurse to clean the rest. I wanted to tell the Doctor how incompetent I found her, but she left the room while I was distracted by a phone call from my wife. The Nurse had remained and so I told her of my disappointment in waiting and the lack of preparation and care taken with my 87 year old Father-in-law. She informed me that we were free to find another doctor. Given her response and the sign on the wall of the waiting room I concluded the Doctor had a chronic problem keeping a schedule. If your having joint pan and you like being ignored, please go and see the Doctor.

Dr. Frank Yu - Well HealthCare One

Dr. Frank Yu - Well HealthCare One

3.0(2 reviews)
5.7 mi

-------------- Update 3/3/10 ---------------------------------------------------------…read moreDr. Yu has gone back to China. I have not seen anyone else at this clinic. But based on Glenda's review, it's worth a try. -------------- Original Review ------------------------------------------------------- I am not sure who is harder to find; a good doctor, a good mechanic, or a good husband! I was lucky enough to have found an excellent doctor, Dr. Frank Yu! As for the husband........., we'll talk about that later! For now I am very lucky to have the most wonderful fiance in the world! I've been suffering from neck/shoulder pain and rotator cuff tendonitis for over a year. Gone to numerous doctors from Chiropractor, Orthopedic Surgeon, Internist, Family Physician, Rheumatologist, to Acupuncturist. I've had 2 X-Ray's and 1 MRI taken and was told there was nothing wrong with me structurally (duh!). Physical therapy was prescribed, cortisone shoots were given, and I am all doped up with muscle relaxer and NSAID pills, but still no relief in sight!!! Refusing to poison my body with more chemicals, I continue my quest for another Acupuncturist. Through my PPO directory, I called Well HealthCare One. After asking some questions, Rosie, the Front Office Manager, recommended Dr. Frank Yu (listed on the PPO directory as Feng Yu), so I made the 1st appointment for 10/26/07. Dr. Yu holds a Ph.D. degree from Nanjing University of Traditional Chinese Medicine and is a certified OMD (Oriental Medical Doctor). He is a professor at China International Acupuncture Training Center, Nanjing University of Traditional Chinese Medicine, and Deputy Chief Physician at the Nanjing Government Hospital, currently teaching as a visiting professor at South Baylo University. He is very well-known in his native Country, China, and other Asian countries; Japan, Taiwan, Hong Kong, just to name a few. His patients include many high government officials and high profile celebrities. Although well-accomplished and respected, Dr. Yu never comes across as arrogant or hastened. He is extremely patient in listening to your problems. After some careful diagnosis, he explains to you what your ailment is and then proceeds with acupuncture and heat therapy followed by Tuai Na (similar to acupressure massage therapy). He will also recommend herbal medicine to speed up the recovery if you're open to it. It's rare these days to find a doctor who is truly in it for the welfare of the patients instead of money. Dr. Yu is passionate about helping his patients and sharing his knowledge and experience with his students. I feel truly blessed to have met him!

This place looks nice, but did not do a thing for my lower back. The "doctor" gave me some basic…read moreadvice that I could've got from googling "lower back pain." I walked back out into the lobby and receptionist was already asking me if I would like to come back for another appointment. I felt ripped off, and not a bit better. Maybe it works for some people, not for me I guess.

Dr. Hiep Dang, DO - Very Clean Office

Dr. Hiep Dang, DO

4.1(60 reviews)
2.0 mi

Lucy - nhân viên văn phòng tuyệt vời tại phòng khám của bác sĩ Hiệp Đặng…read more Tôi muốn dành lời khen chân thành nhất đến Lucy, người ngồi ở bàn tiếp tân phía trước tại văn phòng bác sĩ Hiệp Đặng. Cô ấy thật sự là một nhân viên tuyệt vời và rất có tâm với công việc. Mỗi lần tôi đến phòng khám, Lucy luôn chào đón bằng một thái độ rất dễ thương, tận tình và chuyên nghiệp. Cô ấy luôn kiên nhẫn giải thích, hướng dẫn từng bước cho bệnh nhân -- từ giấy tờ, hẹn lịch, bảo hiểm, cho đến những câu hỏi nhỏ nhất. Không phải ai đến phòng khám cũng hiểu hết quy trình, và đôi khi bệnh nhân còn lo lắng hoặc bối rối. Nhưng với Lucy, mọi thứ trở nên dễ dàng và thoải mái hơn rất nhiều. Cô ấy luôn sẵn sàng giúp đỡ, không bao giờ tỏ ra khó chịu hay vội vàng. Bác sĩ Hiệp Đặng thật may mắn khi có một nhân viên như Lucy -- một người làm việc bằng cái tâm, bằng sự chu đáo và đạo đức nghề nghiệp. Tôi rất biết ơn sự giúp đỡ của cô, và chắc chắn rằng những bệnh nhân khác cũng có cảm nhận giống tôi. Cảm ơn Lucy vì luôn làm cho bệnh nhân cảm thấy được tôn trọng, được quan tâm và yên tâm khi đến phòng khám. Lucy - A Truly Outstanding Front Office Staff Member at Dr. Hiep Dang's Office I would like to express my sincere appreciation for Lucy, who works at the front desk at Dr. Hiep Dang's office. She is truly exceptional and a wonderful asset to the clinic. Every time I visit, Lucy always welcomes patients with kindness, professionalism and patience. She takes the time to explain everything clearly -- from paperwork and insurance to appointment scheduling and any other questions patients may have. Not every patient knows the process or feels comfortable when visiting a clinic, especially when they're worried or unsure. But Lucy makes everything easier, calmer and more comforting. She is always willing to help and never shows frustration or impatience. Dr. Hiep Dang is extremely fortunate to have someone like Lucy -- someone who works with care, dedication, and a genuine heart. I truly appreciate her help, and I'm sure many other patients feel the same way. Thank you, Lucy, for making patients feel respected, supported, and welcomed every time we walk into the office.

My husband and I have been patients for years, we love Dr. Dang and his staff. My husband's a…read morestoryteller and the doctor is always so patient. My husband went thru a bad health crisis a few years ago and we were in their office and calling them quite a bit and the they were always so helpful, we never felt any frustration from their team. I work in the medical field and appreciate the fact that the doctor requests regular check ups for med refills, it's important to touch bases with your patients. I would recommend Dr. Dang to anyone searching for a caring physician.

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Dr. Hiep Dang, DO - Hallway of clinic

Hallway of clinic

Dr. Hiep Dang, DO - Very clean office and even has a Check in kiosk and hand sanitizer

Very clean office and even has a Check in kiosk and hand sanitizer

Dr. Hiep Dang, DO

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David D Dang, MD - rhematologists - Updated June 2026

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