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    David B Rosenfeld , MD

    4.7 (83 reviews)
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    A perfect pairing!
    David K.

    As we reach the end of Passover, I am so grateful to Dr. Rosenfeld for his amazing product "Perfect Poop". For those of us who forgo bread, we instead eat everything on Matzoh. If you look up Matzoh in the latest DSM-5, you will note that matzoh is also known as "Jewish Cement" since that what it becomes in your digestive system! Thanks to Dr Rosenfeld's patented formulation, this Passover was smooth sailing! If you have any problems with constipation, for whatever reason (medications, matzoh), just mix a teaspoon of Perfect POOP with orange juice (I prefer my daughter's fresh squeezed!) every morning and avoid that bloated feeling! Thanks again Dr Butts!

    I tsp perfect poop and 1 probiotic/day = perfect poop!! Literally ;)

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    Page 1 of 3

    Ask the Community - David B Rosenfeld , MD

    Review Highlights - David B Rosenfeld , MD

    “Rosenfeld 9 years ago after 3 other proctologists (even UCLA) could not permanently fix the fissure I had.”

    Mentioned in 5 reviews

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    Jeffrey P Lake, MD, FACS

    Jeffrey P Lake, MD, FACS

    4.7(72 reviews)
    22.3 mi•Encino

    Dr. Lake just finished surgery on close friend and I cannot speak highly enough of how this man has…read morecome through not just professionally but has gone ABOVE AND BEYOND for his patients. My Friend (AA)has been through multiple surgeon consults, he somehow found Dr. Lake and immediately after his first consult with Dr. Lake he turned to me and said " thats my fucking surgeon" Dr.Lake not only exemplifies amazing bed side manner( and I say that as a healthcare professional myself) he never gives up he always continously guides the most resistant patients( due to past bad experiences with other surgeons) and he does it with such calmness charm and finesse. HE IS THE DEFINITION OF A PROFESSIONAL. He actually cares. My friend got his surgery done on MediCal for christ sake, and the level of care was emaculate. My friends surgery was 9 hours and after the surgery you would think the surgeon would be tired or just wants to give you the news and get out of there, nope this man was smiling sat with us and joked and comforted us- true professional and good human in every senses. The nurses also at valley cedar sinai will tell you the same. He knows how to get the most apprehensive resistant patients to comply. Thats an art they dont teach in med school, you either have it or you dont. I could go on and on, all I will say is Dr. Lake we are so blessed to have found you and thank you so much for all you deligence and hard work, we are forever grateful!!!

    I have been a patient of Dr.Lake's for over 8 years. He is such a great doctor! I don't see him…read moreoften which is a great thing, but every time I do I am so happy he's my doctor. He is easy to talk to. Makes you feel comfortable. He's got a great sense of humor too (and I love that). He provides excellent care. His office staff is nice. Easy to make appointments. I always tell people to go get checked out. Colonoscopy's are easy. Prep isn't too bad. It's very important to get this screening. Cologuard is not efficient at detecting colon cancer...colonoscopy's are! Spread the word :-)

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    Jeffrey P Lake, MD, FACS
    Jeffrey P Lake, MD, FACS
    Jeffrey P Lake, MD, FACS

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    Alister A George, MD

    Alister A George, MD

    3.2(69 reviews)
    3.8 mi

    Absolutely disgusting office staff. From front desk to office manager nothing but arrogant…read moreattitude. Made appointment, waited a couple of weeks for appointment only to learn upon arrival they cancelled the appointment due to "incomplete"forms. I had a screen shot of the confirmation that the forms they sent were completed. They claimed that it was not those forms but additional forms.. No apology from them, arrogant didregard for my time, and the fact that they compromised my health by prolonging a much needed check up. I reported to referring physician, at his urging attempted yet again to provide the "missing" data and reschedule the appointment. Again, met with unhelpful and arrogant staff who could not clarify what alleged forms had yet to be completed prior to appointment or they would cancel without further notice. Requested to speak with office manager. Office manager did finally figure out which "forms" they cancelled the appointment over, instead of a humble apologetic attitude, I was met with an arrogant disregard for my experience with them. Despite the fact that I was working very hard to get to the bottom Of which forms they required, and had already been inconvenienced and any diagnosis prolonged at the expense of my health, this office manager continued to reprimand and arrogantly repeat that if I did not Complete the forms they would cancel the appointment again without any further notice! It was so unpleasant I can only imagine what moving forward with this physician's office would have entailed and chose to see a different physician. Cannot comment on the competence of the physician. Good gastro's are plentiful in the LA area I strongly do not recommend this office.

    This is long overdue. Not sure if yelp was around in 2003. Dr George wasn't at his new location…read morewhich BTW sits on an old gasoline lot. His office was at another location. Regardless I remember getting my first colonoscopy at a health south facility. Remember them, I do, from the moment of laying down and having to plead with them to give me anesthesia as they were not sure of the insurance I had would pay for it, thankfully they must have caved, as I don't remember the procedure. Which was the only thing I can be thankful that happened that fateful day. No, when I came to Dr. George came by, didn't stop and dropped off a color photo of a tumor in my colon. I remember asking "what do I do?" He responded on his way to his next procedure "you go to a general surgeon". This was my last interaction/only interaction with Dr. George. Then the nurse informed me that I would likely be wearing a "colostomy bag" going forward. This is 100% how it happened and I was so angry. I was 30 years old and coincidentally this happened on my daughter's 1st birthday. The lack of bedside manner by this POS was mind blowing. I did get my Colon resection by a stud Colon rectal surgeon and wonderful chemo care from a great Oncologist. I'm 54 now and have had dozens of clear colonoscopies and never ever have had this type of treatment. I have had other procedures as well and some that required hospital stays, anesthesia, you name it I've been very fortunate for the care that I've been given. But I'll never forget how pompous and uncaring George was, and I really would encourage you to go to Dr. Daneshagar, who is a lovely man with a local practice.

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    Alister A George, MD
    Alister A George, MD - Medical Building

    Medical Building

    Alister A George, MD

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    Oaks Surgical Specialists - Dr. Walid Arnaout

    Oaks Surgical Specialists

    4.0(12 reviews)
    0.3 mi

    My experience with the surgery coordinator, Cecilia Contreras, was very disappointing…read more I contacted the office after receiving approval for my second inguinal hernia surgery authorization to understand the next steps in the process. When I originally met with the office, I was told that if I was busy, I could schedule the surgery later and that I had flexibility regarding the timing. I also experienced difficulty reaching Cecilia directly. On multiple occasions when I called the office, she was unavailable, which made it challenging to get timely information and assistance regarding my care. For that reason, I was surprised by the way I was treated during my recent phone call. Instead of receiving guidance and support, I felt blamed for not scheduling the surgery sooner. Patients may have personal, family, work, financial, or health-related reasons for postponing a procedure, and I felt those circumstances were not taken into consideration. What concerned me most was the tone of the conversation. I felt that Cecilia Contreras was rude, dismissive, unprofessional, and unnecessarily confrontational. As someone whose primary language is not English, I was doing my best to communicate and understand the process. Rather than helping clarify the situation, the conversation left me feeling uncomfortable, pressured, and discouraged from asking questions. I was told that if I planned to continue with the office, I needed to schedule the surgery, and if not, I should say so immediately. This felt more like pressure than patient care, especially considering that I had previously been told I could schedule the procedure when my circumstances allowed. Communication was often incomplete. For example, when my follow-up appointment was scheduled, I was given the date but not the time and had to ask for it separately. The call also ended abruptly without the level of courtesy and professionalism that patients should expect from a medical office. Scheduling surgery is a significant medical decision, and patients deserve to be treated with respect, professionalism, and understanding. Unfortunately, this interaction caused me to lose confidence in moving forward with this office, and I have decided to seek care elsewhere. I hope the clinic reviews how patients are treated and improves communication with future patients.

    I usually don't leave reviews, but I feel it's important to share my recent experience. The doctor…read morehere is knowledgeable, but the front office staff member Alison I dealt with was extremely unprofessional. She is rude, dismissive, and acted as though my questions about double billing were a nuisance. This kind of treatment makes patients feel unwelcome and stressed at a time when they're already dealing with health issues. I hope management addresses this, because patients deserve to be treated with respect at there Northridge facility .

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    Oaks Surgical Specialists - Dr. Arnaout

    Dr. Arnaout

    Oaks Surgical Specialists - Dr. Walid Arnaout

    Dr. Walid Arnaout

    Oaks Surgical Specialists - Dr. Arnaout

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    Dr. Arnaout

    Moe Amadpour, MD - Yelp is unfortunately flagging our reviews as scam. We appreciate the kind words from this lovely patient of ours! Thank you for trusting us

    Moe Amadpour, MD

    2.8(43 reviews)
    7.6 mi

    Dr. Amadpour SAVED MY LIFE! I had been treated all my adult life for IBS until I got seriously…read moreill. I was hospitalized in the ICU due to large amounts of internal hemorrhaging. My GP sent Dr. Moe to take over--something that, in retrospect, saved my life. Without going into personal details, Dr Amadpour had a hunch I had a certain manageable condition while other ER docs disagreed. Had they won out, the treatment likely would have been very detrimental to me, then and into the future. My 2-star rating has NOTHING to do with Dr. A and everything to do with his miserable practice staff. With tragically few exceptions, they are ICE COLD. You can't get a friendly worker EVER. They seem unhappy to be there, unwilling to treat patients with care and compassion. Trying calling for ANY reason. It ALWAYS goes to voicemail and those calls are ignored. I tried time and again to get my records forwarded to a new GI doc where I now live. No returned calls. Period. I even FAXED the request and never heard back. I cannot more highly recommend DOCTOR Amadpour. Sadly, you have to go through his PRACTICE to reach him. For this patient, it stopped being worth the abuse.

    Had to switch Gastro Doctors, wanted one closer to home but my PC recommended Dr. Amadpour, she…read moresaid he's one of the best! My first visit went well, I had heard mixed opinions about him but my experience was really good. He was very nice and personable. The office staff is great! Very professional, prompt with scheduling, great with returning calls, and helpful with getting my authorization issues resolved. (Thank you Sunny!) I scheduled my colonoscopy for the following month and that went well (as unpleasant as they are) Dr. Amadpour was very kind and I like his bedside manner. And I loved the surgical center - great staff and location! Highly recommend!

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    Moe Amadpour, MD - We want to extend our gratitude to this very kind patient of ours. The new team at our office is working hard to improve quality of care! :)

    We want to extend our gratitude to this very kind patient of ours. The new team at our office is working hard to improve quality of care! :)

    Moe Amadpour, MD - Waiting room is clean and modern

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    Waiting room is clean and modern

    Advanced Gastroenterology - Exam Room

    Advanced Gastroenterology

    3.7(85 reviews)
    0.8 mi

    RIPOFF! Do Not trust this Doctor. I do not owe the Advanced Digestive Center of Southern…read moreCalifornia any money, yet they have sent a collections agency demanding I give them money! When I left their office many years ago, my balance was zero. Me and my Insurance Company have paid all there is to pay to the Advanced Digestive Center of Southern California. We have paid every bill and co-pay on time and in full. I have called their billing department to clear things up but the billing representative gave me incorrect information and started listing days, times and procedures that I had never been a part of. I told her she was terribly mistaken that her information was incorrect. I also told her my balance was Zero. She said ok, someone would call me back, but they never did. After reading their YELP reviews, I noticed their billing department has great difficulty with billing their clients correctly. I can see from their Yelp reviews that many, many people have the exact same complaint that I do: billing for no reason, billing incorrectly, etc. Also their employees are terribly rude to customers and could care less about everything, especially YOU. I think it is terrible this company does this same thing to other folks. Like I said, I do not owe this company any money.

    Most personable staff I've ever experienced. Clean, organized, and welcoming office. Quality care…read moreand service.

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    Advanced Gastroenterology - Waiting Room

    Waiting Room

    Advanced Gastroenterology - Surgical Suite

    Surgical Suite

    Advanced Gastroenterology - Recovery Area

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    Recovery Area

    Karen Simon, MD - Karen Simon, MD

    Karen Simon, MD

    2.6(19 reviews)
    15.7 mi

    Office stuff is very unprofessional, unfriendly, and almost creepy. From the front desk to the back…read moreend. When my name was called, I got up to follow a nurse to have the door shut almost to my face, she didn't even look if I follow her, and did not say a word while taking BP, and when leaving I said goodbye, and she totally ignored it. I don't get why I got that attitude, I go to various clinics and doctor offices, and honestly, this experience was one for the records. The last records, of course, at this location. I don't speak Spanish, but I could hear them talking about me and giving me looks while I was looking at them 5 feet away. The only nice part of the visit is that they have a nice lounge at Camarillo office. Doctor is over booked and doesn't have time to review notes which results in a lack of treatment or wrong products. Invest in people not furniture.

    I'm updating my review because level of care I have been receiving at the Camarillo office has…read moresince changed. I called the office last week and was treated extremely rudely by Sara, who said she is Dr. Simon's medical assistant. My concerns were dismissed even though I have been leaving messages in the portal for over 2 weeks and I have a medical condition that needs to be treated. It's always a chore to speak to someone at the office and being treated rudely and without compassion is unacceptable. Dr. Simon is very friendly and I believe she is a very skilled doctor but the lack of communication and her staff is making her look very bad. Currently in the process of contacting the corporate office to hopefully get some resolve.

    Photos
    Karen Simon, MD
    Karen Simon, MD
    Karen Simon, MD

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    David B Rosenfeld , MD - proctologist - Updated September 2026

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