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    Jonathon M Weisz, MD

    5.0 (2 reviews)

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    12 years ago

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    Castellanos Family Practice - The front of the office

    Castellanos Family Practice

    3.9(156 reviews)
    0.8 mi
    Established in 2003
    Available by appointment

    This place is awesome! Came 3 times the staff is always friendly. I go to Maria and any problem I…read morehad she had a solution or suggested to help. I had trouble finding a care provider who can help with my PCOS but she sent me to get lab work and ran some tests. I'm truly happy with the results and felt taken care of!

    I used to see Dr. Castellanos when I was a kid with my mom, roughly between the ages of…read more12-15(2004-2007). Now as an adult I've realized how horrendous of a doctor he was. Our family eventually stopped seeing him after 3 years of being under his care. We went to him because it was hard to find doctors who spoke Spanish in our area at the time. I'll start with the worst. My mom used to be really concerned for her health. Over time we realized her concerns were signs of what she's now developed, diverticulitis and other digestive issues. She often came in with pain and explained her concerns. Dr. Castellanos would tell my mom that she was fine and to take ibuprofen. Any time she came in it was the same thing even though her symptoms progressed - continue to take ibuprofen. Eventually she told my mom she was too worried and was a bother. We finally stopped going to see him when she used the restroom and found blood in her stool. She developed ulcers in her throat and stomach that were very painful when eating. After we stopped going to see him we found out all of her symptoms were the beginning of diverticulitis. In 2009 she ended up going to the ER because she was heavily bleeding when she used the bathroom. A diverticula had burst open and it was discovered she has 3 total that had developed. She was taken to emergency surgery. She's suffered through diverticulitis ever since with multiple ER visits. Dr. Castellanos was negligent as a doctor when presented with symptoms. He could have referred her to a gastroenterologist but never did. We had HMO at the time and eventually switched to PPO but it was after dealing with him. For my own case, I developed gastro issues around 12 and realized I had sensitivity to certain foods that lead to a lot of gas and odd noises in my intestines. I felt shy about it as a kid but was worried because I didn't want to sit in class having those noises come from my intestines because well... it was awkward. My side of the classroom could hear my gas issues and I didn't understand what was causing it. When I told him he blew me off and told me to eat more fiber. I didn't bother more about it or ask because I was too ashamed to ask more. Years later I realized I had food sensitivities and that I need to be careful to avoid dairy. All of this to say - I would absolutely NEVER recommend anyone to see Dr Castallanos. My mom could have sued him for negligence but decided not to. Seeing him still in practice now and talking to family about health made me 20 years later have to go back to write this.

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    Tanchoco Imelda, MD

    Tanchoco Imelda, MD

    4.7(42 reviews)
    3.1 mi

    Dr Tanchoco is a wonderful pediatrician! She and her nursing staff have taken great care of our…read morefirst born.

    Our family first met Dr. T and staff in January 2019 when I needed a pediatrician for my 3 year old…read morethen. We just moved back in the area and needed a new dr as our old pediatrician at that time was located in Woodland Hills. Just wanted to say how much Dr. T and her staff has been like a family to us. My kids have never received care like the type of care we get at this clinic. For instance, there isn't ever a time where I couldn't reach out to Dr. T if I felt something was urgent. She always answers every concern, every question via text if I deem something important and needs her guidance or advice and yes, even when she's on vacation, which I appreciate so much more than she could ever know. The staff really makes us feel cared for and I feel like they are my "Titas". Tita Vangie and Tita J.Lo as I refer to them, who have answered my dozen calls for the past 2 weeks when my 2 year old came down with RSV and needed to be seen at the ER- from seeing us even before clinic hours to make sure we get seen on short notice, to setting up lab work at the hospital. They go beyond any expectations. We're so lucky and grateful for everyone at this clinic. To Dr. T and Titas, thank you for all the guidance and care this past couple of weeks. We are still not out of the woods with RSV, but I have peace of mind knowing they are just a call away if needed.

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    Tanchoco Imelda, MD - Thank You!

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    Tukaj Joanna MD

    Tukaj Joanna MD

    4.2(16 reviews)
    1.9 mi

    Hi hate to give Dr. Tukji a one star, as she was an amazing pediatrician, but the doctor that took…read moreover is horrible and will not treat you if you don't have insurance. My daughter has been sick for over six months. I've paid for her to see the doctor to get medicine and the doctor has refused to give my Daughter medicine, claiming she has allergies. I told her the last time that I can't keep paying her not to get medicine. She said I can just call in and she will proscribe my daughter medicine. After my daughter getting sick again and again with a fever, I called the Doctor yesterday and the nurse said the Dr called in the medicine. I waiting for the pharmacy to call and found out this morning, on a Saturday, she never sent it in. I called the Dr and she stated she sent the allergy medicine to the pharmacy in our last visit, which we already picked up and have been using. At that point, the doctor told me I would have to pay for my daughter to see the Dr. again. I told her I can't keep paying her to not treat my daughter and got into an argument with her, because her solution was for me to get a different Doctor. Now, after six months, I'm in the ER with my daughter who has a fever, high blood pressure for the infection and ex rays to make sure this continued non treatment has not cause pneumonia. As I told the Dr. over the phone, she is a terrible human to take peoples money and refuse to treat them. I will be making a written complaint against her license to n Monday.

    I would like to know how the hell this place has 4+ stars?!…read more Switched over my insurance because of the reviews, and were they far from the truth. Wait time was AN HOUR AND A HALF. Then when we finally get in to see the doctor, he confirms the diagnoses we had received from Foothill Presbyterian two days before -- Croup. Then this friggin' guy goes on to tell me that we need to go back to the ER, because he "can't in good conscience send us home" because the baby "could stop breathing and he didn't want that on his hands." He said we needed an xray of his throat and chest immediately or he could die. SERIOUSLY? We go back to Foothill and they immediately start questioning what the hell this dude was talking about. We are in the ER for an hour and they were able to do 10x more than this doctor did. They confirmed he was NOT AT THE RISK OF DYING, and not to worry. Seriously? I am done with all these damn scare tactic doctors and these false doctor reviews. What a JOKE!! Don't go here! PLEASE!! I am changing doctors immediately.

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    Waiting room is small but clean

    Jonathon M Weisz, MD - pediatricians - Updated May 2026

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