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    Haig Minassian, MD

    3.0 (2 reviews)
    Open 9:00 am - 5:00 pm

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    Christopher J Aho, MD

    Christopher J Aho, MD

    4.1(17 reviews)
    42.1 mi

    Was referred by my pain management physician for neck surgery. No phone calls answered so I went to…read morethe office because the website says that the office is open. No one was there and the office had a lock box on the door. Went to the office next door and was told that they were not there. I did some research and found out that Dr Christopher Aho was in trouble for substance abuse and was being sued for malpractice. His license was suspended and his practice was closed. No thank you! I will go to Cedars-Sinai for the best Neurosurgeon! This page needs to be taken down because it is false advertising! Never go to any physician unless you research them first. My pain management physician had no idea what was going on! I could have been mangled or worse.

    This year my husband was diagnosed with a Meningioma. It was a fast diagnosis with an even faster…read moresurgery date. And that's where we had the unfortunate pleasure of meeting Dr Aho. From the beginning, Dr Aho was pretty amazing, he was very patient with me he explained everything to help me understand. He answered the ton of questions I had and He took his time, he didn't make me feel rushed, like some drs can. His office manager Sylvia was also very helpful and helped tremendously with all our paper work needs and appointments. If I had to say one negative thing, it would be the office can be a lil hard to get a hold of at times. They have both made our brain journey very smooth. And my husband is doing amazing!

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    Christopher J Aho, MD - Visit his new website.

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    Christopher J Aho, MD - Highly trained cerebrovascular and spine Neurosurgeon.

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    Highly trained cerebrovascular and spine Neurosurgeon.

    Fullerton Neurology Center - New Logo

    Fullerton Neurology Center

    2.6(51 reviews)
    7.8 mi

    I have been a patient here for over 13 years and it's been such a PLEASURE! Dr. FLORIN is AMAZING…read moreand now my new doctor, Dr. LONDOÑO is also AMAZING! Gives such great explanation and answers all of my questions!!! The staff is also very helpful! They take care of me! The texting service is great as I'm at work most of the time during their office hours.

    Dr. Florin was amazing. This new Dr he has Diana London is awful. She is rude and has a short…read moretemper. When I first started seeing her she would only bring in 1/4 of the medication that needed to be administered. When I said something I could tell she was annoyed. I had to repeatedly advocate for myself just to get the medication that I had been getting previously. My Botox is paid for and then sent from the pharmacy directly to their office. It is all to be administered for me. Nothing should be left over or saved for any other patient as it is my prescription. It was really weird the way she would come in and either not bring in all the medication or she would hide it under a paper. I also noticed they did not change the paper on the counter in between patients that the medication was placed on. You could see that it was visibly wet and soiled. This is very unhygienic and could spread disease and bacteria since they are doing medical procedures. On one occasion I noticed she was injecting much higher than I had had in the past and I asked about it. She got visibly upset and jammed her finger into my forehead and said this is where it's supposed to go. I told her that hurt and it was not ok to do that to me. She brushed it off. I just really wanted to get out of there. The next appointment I brought someone with me and they said that at one point she went to inject me but there was nothing left in the syringe, so she was just pretending to administer the Botox. My most recent appointment I brought somebody again and the staff said it's her new policy to not allow anyone in with patients. I said I was more comfortable with someone there. They led us to the room and shortly after Diana came in already visibly angry saying that the person I brought needs to get out. I said I want a chaperone in with me and would be ok if it was a staff member. She became even more angry and said this is a procedure and I can't have anyone in there with me. At that point she refused to administer my medication. There are many other reviews about her that talk about her rudeness and so on. They are on point. I hope Dr Florin is able to get someone else in his office. This woman is ruining his practice. It's very unfortunate. Diana London also works at Desert Neurology & Sleep. You can see more reviews about her terrible treatment of patient there also.

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    Haig Minassian, MD - neurologist - Updated May 2026

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