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Rainier Guiang, MD

3.0 (16 reviews)
Closed • 8:00 am - 4:30 pm

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Review Highlights - Rainier Guiang, MD

“Guiang takes the time to explain the issues and treatments at every step in trying to control pain effectively.”

Mentioned in 10 reviews

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People searched for Pain Management 566 times last month within 15 miles of this business.

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University Pain Consultants - I jest received these results showing a tear only because Dr Kym informed me feb 8 2017 even though Dr. Chen received then Nov 27....

University Pain Consultants

2.7(75 reviews)
0.0 mi

university pain consultants are very knowledgeable and compassionate towards patients. i got a…read moreepidural injection and my back feels so much better. the office experience is amazing! they have very kind staff but have he right to deny service to anyone who does not respect the office. overall my experience is 5 stars!!..'

This is a review for the scheduling department. Dr Chen himself is amazing. His scheduling staff is…read morejust whack. I've been seeing Dr. Chen for over a year as my Dr. was not comfortable prescribing any pain medication even though I have been on it for over 19 years. My last appointment was in December. I was supposed to have one in Jan 26th, however I was called and told that I would not be able to get one until March so they gave me a refill till then. April comes and no appointments. I called twice to let them know I hadn't been seen, and my medications were nearly depleted. I was told that they best they could do was give me an appointment July 15th. I explained that one of my medications side effects was a mood booster, and that I have been warned multiple times, by multiple doctors not to stop it suddenly. Well that didn't matter to the scheduling department. July 15th was the best she would do for me. This staff happily let and my family suffer though the misery of the withdrawal symptoms that led to 2 urgent care and an emergency visit. Again Dr. Chen is amazing. Scheduling staff couldn't give a care if you died.

NewportCare Medical Group

NewportCare Medical Group

2.7(15 reviews)
0.4 mi

I called NewportCare for an appt and have to give high marks to their…read morecustomer service rep Jose T. He explained what he needed to make the appt and could not get my scanner to work. So he suggested another way to go...text my info to him and was then able to set an appt with Dr. Kim This is what customer service is about. He was always congenial and supportive. Thank yoou for caring and looking forward to my appt. with Dr. Kim.

Drs are great. The…read morebilling department is killing this practice. When you pay they will NOT give you an invoice indicating what you paid for. Even if you ask and insist. Don't be surprised if you get an unexpected bill many months after the appointment indicating you owe more money. That invoice will NOT include what it is for. There is NO way to sort out the problems respectfully because they refuse to provide a detailed invoice at the time of payment before or after the appointment. And then the bill you get in the mail will not include any information either. NO ONE would ever accept paying a bill at a store or restaurant without the total being itemized. Yet this office does this. All you get is the print out of a credit card total. Nothing else. If you insist on getting something in writing the administrative staff shrug and say "that is how it is". Billing is hiding in some remote location. I left the practice years ago for this problem and because when I changed insurance the cash price for the same exact service was way more money than what they were collecting from Insurance. Cash price should be the same or lower than what insurance is paying for because it is easy money in the sense that it does NOT require staffing to deal with insurance billing, coding, follow up and interacting with medical insurance companies. I am about ready to leave again because of the staffing and billing incompetence. patients have the right to trust doctors both with their body AND their wallet.

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NewportCare Medical Group
NewportCare Medical Group
NewportCare Medical Group

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James Rho, MD - Inland Interventional Medical Associates - Waiting room. He's worth the wait.

James Rho, MD - Inland Interventional Medical Associates

3.7(30 reviews)
12.6 mi

Expect to wait, but expect a doctor that genuinely cares. He listens and takes his time. I don't…read moremind waiting, as long as I know I'm not being pushed out the door. I've been here twice now and had good experiences with both Dr. Rho and his staff. He asks detailed questions to handle my pain management properly.

Rubbish! Believe any of the other poor review that name Debra. She is unprofessional and…read morecondescending. I've heard Dr. Rho is great, but the administration he has chosen to represent him is embarrassing. To expand on this, give you a little more on the situation, and I do mean moron, here is a brief timeline of my dissatisfaction: 2/23/26: I call for initial visit. I am informed I need to have notes and reports faxed from my referring MD so I make the arrangements and the information is faxed 2/25/26. 2/26/26: I call to confirm they have received the necessary info and attempt to schedule an appointment. To my surprise, I was told that the ONLY person that knows how to check the fax was out of the office till the next week. I was as surprised as you are to hear that there was only one person in a professional office, in 2026, that knows how to check the fax so I asked the receptionist to clarify. It was true, I had to wait till the following week for the fax specialist to return so I could schedule. 3/3/26: After much ado and having my MD re-fax all necessary information I called in attempt to schedule. After it was confirmed that they had received the original fax of 2/25 I was connected with Debra. Debra confirmed that she was Dr. Rho's administrator and, in fact, the only person in the office that knew how to receive faxes. Again, I was as surprised as you are, but I felt confident I was dealing with someone of authority now. After dismissing my concerns with the receptionist's lack of professionalism and continually speaking over me she let me know they have 7-10 days from today, not the day that they received the information, to review it before they will schedule me. She confirmed they would call me. 3/20/26: I had waited 17 days, 13 business days, but had yet to hear back so I called again. Kathy dismissed my disappointment with the reoccurring lack of professionalism and became a bit contentious defending themselves. She was able to schedule me for the end of May. 3/23/26: Inland Interventional sends a fax to my MD stating they are unable to help me. When I talked to Debra she said that the MD had to review the notes before I could be scheduled. I gave them more than the 7-10 days that was necessary for said evaluation. on 3/20 Kathy had confirmed that I was ready to be scheduled and scheduled an appointment. What gives??? Not even the professional dignity to call to let me know. The brass tacks are this, I was dismissed and disregarded for a month while waiting for treatment for severe pain while I could have been waiting for a professional pain management clinic. I have an extensive health care background and appreciate how a clinic should be run, Debra and her staff are the opposite.

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James Rho, MD - Inland Interventional Medical Associates
James Rho, MD - Inland Interventional Medical Associates
James Rho, MD - Inland Interventional Medical Associates - Chris

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Chris

Inland Pain Medicine - Eric Song you rock!!!

Inland Pain Medicine

2.1(119 reviews)
9.0 mi

I've been going to Inland Pain in Grand Terrace/Colton since 2021, although I like Doctor…read moreHesseltine, his staff has left me in the lurch several times. Waiting f ok r approvals or getting appointments has Ben ridiculous, because A) they are either severely backlogged, B) or understaffed, or C) they just don't care.. seems like I get a different answer Everytime I call. It's been over two months waiting on approval and they somehow lost my paperwork and it took over two months for them to submit request.. come January I'm outta there.

I had a very disappointing experience with Inland Pain Medicine and was frustrated by the lack of…read moreconsideration shown for patients' time and comfort. My appointment was scheduled for 8:45 a.m. I had already preregistered and arrived at 8:49 a.m. After paying my copay and waiting about 10 minutes, a front desk employee called my name to inform me that the staff wanted me to know there would be a significant wait because I was late. I was only four minutes past my scheduled appointment time, and I found the response unreasonable, especially considering that the registration process itself took additional time. The employee appeared to be new and needed assistance from another staff member, which further delayed the process. I drove through the rain and took time off work for this appointment, only to be told I would have to wait because other patients needed to be seen first. I was offered the option of returning at 2:30 p.m., which was not a reasonable solution, as it would require me to take additional time off work. I understand that delays happen in medical offices, but I would have appreciated better communication and a more compassionate approach. Another major concern is the lack of response from the billing department. I have called repeatedly over the past two to three weeks, left several voicemails requesting a return call, and have yet to hear back from anyone. This lack of communication is unacceptable. The condition of the waiting room is also concerning. The furniture is old, and the chairs sink in due to a lack of support, making it difficult for patients experiencing back pain or other pain conditions to sit comfortably and get back up. For a medical practice specializing in pain management, the seating should be appropriate for the patients being treated. Additionally, there is an unpleasant odor as soon as you walk in, which makes the environment feel unclean. Overall, my experience left me feeling that patient comfort, communication, and consideration for patients' time were not priorities. I expected a more professional and compassionate experience from a medical practice specializing in pain management. I plan to contact my referring provider to request a referral elsewhere. I hope management takes this feedback seriously and makes meaningful improvements to the patient experience.

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Inland Pain Medicine
Inland Pain Medicine - Hmm I was there at the right time something isn't right

Hmm I was there at the right time something isn't right

Inland Pain Medicine

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Rainier Guiang, MD - painmanagement - Updated October 2026

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