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    United Gastroenterologists

    3.8 (9 reviews)
    Closed 8:00 am - 5:00 pm

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    14 days ago

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    1 month ago

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    2 years ago

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    3 years ago

    Staff and Dr Mara Custodio were efficient and kind. Recommend 100%

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    4 years ago

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    5 years ago

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    Inland Empire Gastroenterology - Why I have medical checkups

    Inland Empire Gastroenterology

    4.1(126 reviews)
    7.7 mi

    The service at this clinic is terrible. We saw Dr. Samantha once, and we never received any…read moreresults, neither by phone nor by mail. The four times we've been there, they never give us any information; they simply wait for us to arrive and ask what's happening with our family member. I do not recommend this clinic; the service is awful, and they are just charging for consultations without providing any kind of service. The receptionists are just sitting in front of a computer, getting paid by the hour without solving or helping the patients.

    Monday I tried calling and then Empire guest went into analogist no one answered I left a message…read moreTuesday morning I called back someone finally answered they asked me three questions my name my age and my medical then they proceeded to put me through to another phone which was the appointment area and I had to leave a message somebody finally called me back that day and asked me the same three questions my name my age oh and also where I live and my medical now this place supposedly takes Medicare and I told him my subsidiary Medical was Aflac she proceeded to tell me that she couldn't find me in Medicare I don't know what she was looking up and she didn't know what Aflac was but she said to me let me send you an email and make a copy of your medical cards front and back and send them to me so I waited for the email that was Tuesday it is now Thursday and I've got no email so apparently I'm going to have to find some other place and if you're looking for a gastroenterologist look elsewhere

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    United Medical Doctors

    United Medical Doctors

    4.4(7 reviews)
    23.8 mi

    I came in for a screening with Dr. Scott Lee, and the experience was excellent from start to…read morefinish. Dr. Lee is extremely professional, kind, and patient. He explained everything clearly, took his time to answer all my questions, and made the whole screening process feel calm and stress-free. I felt truly cared for and confident throughout the visit. It's not easy to find a doctor who is both highly knowledgeable and genuinely attentive - Dr. Lee is exactly that. Highly recommend!

    Ever since I first met him I felt a sense a calmness, immediately in his presence. He's so…read morethorough, honest and patient. Also, unbelievably knowledgeable. Always asking for consent and personal feedback such as: feelings, thoughts, unlimited of questions. Dr. Lee is genuinely out for us the patients and our best interest. I've met with multiple other GI Docs and left feeling disregarded, minimized, disrespected, confused, and quite frankly treated like a dollar sign. I honestly have never felt more seen and comfortable with Dr. Lee. I don't have one bad thing to say about him or his staff. I highly recommend him! A shout out to Yasmeen. I'm always emailing and calling her, she's so nice, very knowledgeable, patient with me, and so understanding. She works very hard and is on top of everything. I always get a fast response no matter what. Even though it's probably not necessarily her job she always helps me. Not once has she made me bad or an inconvenience to her. She's super friendly, down to earth and still professional. Thank you so much. We need more cool peeps like you and Dr. Lee respectfully of course in the medical field.

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    John J Hong, MD - John J Hong, M.D.

    John J Hong, MD

    3.1(24 reviews)
    5.0 mi

    As of now (930am) still waiting to be taken in for my procedure. I've been waiting for 3 hours in…read morethe prep area. It seems like every cubicle alongside me has gone in before me even though they were processed after me for various reasons. UNBELIEVABLE!! The nursing staff were cordial and efficient but seriously?? Previous negative reviews are all true as I am reading them while I sit here and wait. (Can't speak to anyone by phone, no answers etc...) it makes me wonder if I should have gone to Orange County for this kind of procedure. Super hungry, difficult to smell the lunches of the nursing staff. 3 hours!!!! Not happy!!!! ***Ok I'm out, loved waking up after procedure after being put out! Gina is a doll great at her job. She gets 5*****!

    Had a smooth experience with Dr. Hong for both my colonoscopy and endoscopy. Although I only spoke…read morewith him briefly before the procedure, everything was handled efficiently and professionally. The staff was courteous, and the process went well without any issues. I appreciate the care provided and would recommend him for anyone needing these procedures. Plus they were very nice to my kids when my husband came to pick me up.

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    Deborah Negusse, MD - New Office Waiting Room

    Deborah Negusse, MD

    4.0(26 reviews)
    35.8 mi

    I took my Mother to see Dr. Negusse, it was a wonderful experience. She made my mother feel very…read morerelaxed and easy to talk to. The whole staff was amazing , very nice To us. We felt right at home.

    The office staff, particularly whoever handles scheduling, does not seem to be organized or…read morecommunicate well. On one occasion, I received multiple phone calls in the same day asking why I had scheduled an appointment before my ultrasound was completed. I repeatedly explained that the appointment was to discuss the results of a previous ultrasound, which had already been completed and was in my chart. Despite explaining this several times, they continued to question me. The final issue that led me to cancel my care was when I was scheduled for an endoscopy. No one contacted me beforehand to explain what my out-of-pocket cost would be. Since my procedure was the next day, I called the office because I didn't want to be surprised by a large bill. I spoke with Maggie, and the interaction was extremely disappointing. Rather than listening to my concerns, she repeatedly talked over me while I was simply trying to understand why the office couldn't provide an estimate after obtaining the insurance authorization. It felt like the office was focused on getting paid by the insurance company but not on making sure patients understood their financial responsibility ahead of time. Instead of helping, Maggie told me to call my insurance company or the surgery center myself. I explained that I didn't understand why I had to make multiple phone calls when the procedure had been scheduled through their office. Even after I politely asked her to let me finish speaking, she continued interrupting me and eventually hung up on me. I have worked in customer service for many years, and throughout the conversation I remained respectful. There was nothing that justified ending the call that way. As a result of this experience, I canceled my procedure and will be finding another gastroenterologist. The physician may be excellent, but the office staff's communication, professionalism, and customer service need significant improvement. Based on my experience, I cannot recommend this practice.

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    United Gastroenterologists - gastroenterologist - Updated July 2026

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