1. Mark L Shiu, DO, MPH, FAAFP, FACOFP

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Rancho Cucamonga, CA

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Mark L Shiu, DO, MPH, FAAFP, FACOFP

3.2 (23 reviews)
Closed • 9:00 am - 5:00 pm

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Front check in with friendly helpful staff.
Lety S.

My wonderful caring loving and compassionate Dr. recommended Dr. Mark L. Shiu, before he passed away. I've been coming here since 2015 and eventually signed up the rest of my family members, because Dr. Shiu listens, cares, looks up your previous history so that he can diagnose you himself. I'm very happy with his care he's very professional and human. If you come to him for 2nd. Opinion on medical care he will attentively, carefully give you his medical advice. I thank him sincerely always.

Entrance into the beautiful office waiting room.

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6 months ago

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5 months ago

Normal Dr office. Friendly, helpful, clean. Made an appointment, got right in. Everything went smooth.

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1 year ago

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9 months ago

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1 year ago

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3 years ago

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4 years ago

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3 years ago

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3 years ago

Slow service but decent docs. Take multiple insurance companies. Make sure you have an appt.

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3 years ago

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3 years ago

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7 years ago

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3 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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Ask the Community - Mark L Shiu, DO, MPH, FAAFP, FACOFP

Review Highlights - Mark L Shiu, DO, MPH, FAAFP, FACOFP

“Johnny Dauz is also excellent and provides high-quality care.”

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Norton Delgado Family Medicine - Front desk

Norton Delgado Family Medicine

4.2(212 reviews)
2.9 mi

I have been going to this Doctor for 12-15 years, iii don't think I could every change them. My…read morewhole family goes there from my grandparents to my adult children. They have been with this doctor since they transitioned from Pediatrician to Regular Dr. and my oldest is 28 now. The staff is amazing, Dr. Delgado, Dr. Norton are great and PA Nicholas Knowles is amazing. My kids feel comfortable with the PA and trust him 100%. I really appreciate the care and attention my family gets here.

It absolutely breaks my heart to have to write this review knowing Dr. Laura Norton is such an…read moreamazing doctor she is kind patient and really informative. However any Dr is only as good as her staff. The Lady at the front desk Angie could not have made my already in pain and stressed mother more uncomfortable. I was appalled at this women's behavior. It is common practice if you've worked a single day in your life in customer service to SERVE YOUR CUSTOMERS. If someone asks you something while your clocking in or doing something on the computer you say "One moment, we'll be right with you" not give attitude like a 13 year old girl and say "can you At least let me clock in" because it is not our fault you're coming in when you are, with a bad attitude from the jump. Maybe do your job, as a receptionist and receive people that is the root word of your job: reception which is a synonym for receive. Try to not be disrespectful, crass, combative, and full on tyrannical in a clinical setting. My elderly mother was suffering from severe pain and your actions were not what she needed when she was already having a hard time. My mother is sweet and only responds the way she needs to when another person thinks they can make her feel insignificant as a smaller older woman of color. If she wants to talk to you in English that is her right Angie don't just assume people's preferred languages based on bias and then get upset about it. Maybe just ask? Weirdo behavior. And if you need to verify something with the doctor that is fine but don't accuse the patient of lying and call them out like a entitled guardian of care. How about you learn to be the bigger person as you are the receptionist and it's literally your job. And Angie maybe spend less time gossiping on company time with your coworkers about other people and focus more of yourself and becoming a better person because you have ALOT of work to do. I hope to hear back from the clinic with an apology and assurances this matter will be dealt with. And hopefully angie can take a customer service training to learn how to handle herself like a professional.

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Norton Delgado Family Medicine - Me smiling because quality of care was pretty darn good!

Me smiling because quality of care was pretty darn good!

Norton Delgado Family Medicine
Norton Delgado Family Medicine - NDFM STAFF

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NDFM STAFF

Jin Kim, MD

Jin Kim, MD

2.4(53 reviews)
1.9 mi

Both my parents have switched to dr Kim on the recommendation of a friend. He is thorough and…read moreconscientious. I was relieved to see his compassionate bedside manner. He was able to get us connected to a treatment team and support us in getting my FMLA documentation to take leave. His office staff and efficient and knowledgeable. An excellent experience with efficient communication via phone and through electronic health record. Speaks Korean and English. Extremely competent and trustworthy in his care of patients

I have been coming for more than 15 years, and every time I come it always makes me angry and…read moreraises my blood pressure even more. This is all caused by the employees who work there. They're all just getting paid for nothing, extremely lazy. Every time I try to call, it is extremely difficult because they never pick up the phone. One time I asked one of the employees why it's so hard to reach them by phone, and she just answered, "We're busy, you're not the only one calling!!!!" But every time I come in person, I almost never hear the phone ringing, and that's because they set the phone to silent!!! I have never seen them being truly busy, except for being on their cell phones. Every time I do blood work, I am supposed to be called within at most 3 days for the results--whether it's fine or if I need to come in to see the doctor if there is something serious. But I almost never get called unless I take the initiative to call and ask for the results. And they can immediately pull up my results and read them to me. When I ask why I was never contacted, they always say, "We just got the results from the lab," and this is just bullshit!!! Even when I come before my appointment time, I still always have to wait at least 1 or 2 hours before being called in. What I can say is that all the employees there are super lazy and useless, they don't care about the patients at all. Dr. Kim is basically okay, nothing special. I actually liked PA Song more, but he no longer works there--I don't know why. And until now they still don't have another PA. I have decided to switch to another doctor because I can't take it anymore.

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Jin Kim, MD
Jin Kim, MD
Jin Kim, MD

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Sandra K Force-Obrowski, MD - How UNSANITARY is this to leave paper towels  on the counter next to the sink?

Sandra K Force-Obrowski, MD

2.4(29 reviews)
1.2 mi

We have been going to this doctors office for 6 years and absolutely love the service we get. Yes…read moreit does sometimes take a little time to get the doctor you want, and might have to wait a while in the waiting room, but doesn't that prove the point of how good they are? I personally have never waited over an hour. Bottom line is, fantastic doctors, fantastic staff, couldn't be happier. If your only health care concern is time, try Kaiser, and pray, you'll need it.

Dr. Sandra Fotce Obrowski is an outstanding physician who genuinely cares about patients and takes…read morethe time to listen, explain treatment options, and provide thoughtful, professional care. Every appointment I've had with the doctor has been positive, and I have complete confidence in their medical expertise and commitment to patient well-being. It's clear that patient care is a top priority for the doctor. Unfortunately, the experience is consistently diminished by the office staff. Communication is often poor, phone calls go unanswered or unreturned, and scheduling issues seem to be a recurring problem. While the doctor deserves high praise, the front office staff could benefit from significant improvements in professionalism, responsiveness, and customer service. It's disappointing because the quality of care provided by the doctor is not reflected in the overall patient experience.

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Sandra K Force-Obrowski, MD - Wtf kind of MEDICAL FACILITY has these nasty hand pumped soaps and sanitizer?

Wtf kind of MEDICAL FACILITY has these nasty hand pumped soaps and sanitizer?

Sandra K Force-Obrowski, MD - Getting Evolve Tite on my abdomen

Getting Evolve Tite on my abdomen

Sandra K Force-Obrowski, MD

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Mark L Shiu, DO, MPH, FAAFP, FACOFP - familydr - Updated October 2026

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