1. Roger Kao, MD

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San Carlos, CA

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Roger Kao, MD

4.6 (79 reviews)
Open • 8:00 am - 5:00 pm

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The best Doctor one could hope for considering the circumstances. A really great person also!

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Review Highlights - Roger Kao, MD

“Kao regarding a bleed which had been continuing longer and with other symptoms than had occurred in the past.”

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Redwood Naturopathic Medicine

Redwood Naturopathic Medicine

4.8(37 reviews)
0.1 mi
Free consultations
Locally owned & operated

This is an overdue review. I saw Dr. Raphael during the pandemic. She was my first naturopathic…read moredoctor and the first doctor I had seen completely virtually. She took detailed information and concerns of mine. She was able to put in bloodwork I needed to the lab but I was able to take her recommended lab work to have my doctor put it in so that some of the lab work would be covered by insurance. The lab work is much more extensive than the basic lab work your traditional doctor does for you. Her lab work was able to have her give you recommendations on supplements and diet. The lab work is an eye opener to seeing how unbalanced my body was. Just before having the vaccine, she instructed me on what tinctures to take prior to having the vaccine so that wouldn't have any or mild side effects. The first two vaccines I took the tinctures and I barely had any symptoms. When the booster came out and I completely forgot about taking the tinctures, I had a headache and was tired for two days. I won't forget to take this going forward now. If you're looking for a naturopathic doctor, I highly recommend Dr. Kizzy Raphael where ever you are located. She does a wonderful job working with patients virtually. Her attention to detail and her eagerness to want to resolve your health issues makes her a vital part of your wellbeing.

Dr. Kizzy has helped me obtain a quality of life I didn't think was possible. I had lost faith in…read moretraditional doctors, having been told countless times from more doctors than I can remember that "I'm fine". I'd been through Kaiser, PAMF, Sutter Health; nobody would listen and nobody would help. I felt so hopeless, defeated and truly sick. I was experiencing debilitating fatigue, excruciating pain in my tailbone, extreme nausea, issues with overactive bladder, blood in my stool, a swollen abdomen, weight that I couldn't lose no matter what I tried ...the list goes on. Every day was a struggle and every day I felt so unwell, and there was no explanation. The nausea has been affecting me for over 30 years. The final straw that pushed me to find help outside of what my insurance would cover, was testing positive for colon cancer at 46. I didn't really have the money to seek alternative care, but feeling like I was on the brink of death motivated me to reprioritize my life and figure it out. I found Dr. Kizzy out of sheer desperation. I chose her because of the reviews I read. I could write pages and pages about how wonderful she is, but to summarize, I feel amazing! I don't have colon cancer. I was completely misdiagnosed by Kaiser. They kept running the same tests over and over. They refused to deviate and expand the parameters of their testing even though I wasn't getting better. They told me my ailments were all in my head. Dr. Kizzy was able to determine I had SIBO (small intestine bacterial overgrowth), H.pylori (very common, from food poisoning) and that my adrenal gland function was extremely low. I've been a patient of Dr. Kizzy for a little over a year now and for the first time in my entire life, I'm ok. I will be forever grateful for her help! She actually listened and cared. · Debilitating Fatigue - Dr. Kizzy treated my adrenal gland function, and I have so much energy now! · Excruciating Tailbone Pain - It was from chronic stress, which led to pressure and muscle tension in my pelvic floor muscles. She recommended an amazing therapist (Taryn Weinkam, PhD) who helped me release the trauma I've been holding onto for so many years. My pain is gone! · Overactive Bladder - It was my body's response to being in a constant state of "fight or flight". The therapy helped with this as well, it's no longer an issue. · Extreme Nausea - It was from H.pylori. Nausea is one of the main symptoms. If Kaiser or Sutter had run a simple test, this could have been diagnosed decades ago. My nausea is completely gone. · Swollen Abdomen & Bloody Stool - Both of these were from SIBO and both are no longer present. · Excess Weight - SIBO contributed to this, but so did the feeling of hopelessness. I credit both Dr. Kizzy and therapy. Our bodies react to our mental state. I've dropped 30 lbs and fit back into clothes I never thought I'd be able to wear again. There is really something to that whole "mind, body, spirit" thing. I highly recommend Dr. Kizzy!

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Betty Ho, MD

Betty Ho, MD

5.0(4 reviews)
1.5 mi

I have been seeing Dr. Ho for many years now. Although I have moved from the Bay area and live in…read moreFlorida, I still wait until I I will be in CA to see Dr. Ho for gastroenterology. Her office is affiliated with a diagnostic service, so that she performs whatever probes are necessary right next door. The level of care, concern and professionalism that I find in her seems rare these days, which is why I wait until I travel 5,000 miles to get checked out. Alba in the front has been with her many years and she is also a wonderful person, extremely helpful. I highly recommend this office to anyone needing a good gastroenterologist who actually listens.

I was at Dr. Ho's office today for an upper endoscopy procedure. My experience today was very…read morepleasant. From Dr. Ho to the staff, everyone is extremely nice and professional. I was very nervous before the procedure because i had never been sedated and some friends told me it's possible that i would have a sore throat and it would be painful when I eat. But the nurse Linda was very good, she made me feel at ease and she made the injection almost painless. The procedure was very quick as i was told, i still don't remember most of the stuff I had gone through after the IV. I just felt a little dizzy and sleepy after with no sore throat! The receptionist Alba is super nice, I've seen a lot of rude front desk persons at medical offices, but in Dr. Ho's office, I was treated with the best customer service. Because of my work schedule I had to reschedule my appointment a million times, but Alba was very helpful and patient with me. I really recommend Dr. Ho to everyone!

Peninsula Natural Medicine

Peninsula Natural Medicine

5.0(3 reviews)
0.1 mi

I am so grateful to Dr. Sijbrant for being a part of my healthcare team. He is kind, caring and…read morecompassionate and very skilled at combing acupuncture with supplements to support my physical, mental and spiritual health. My primary care physician fully supports my sessions with Dr. Sijbrant and sees the benefit of managing my menopausal symptoms with both Eastern and Western medicine approaches. I have had great results managing symptoms of hormonal imbalance including anxiety using acupuncture. My teenage daughter has also found benefit from the pressures of high school and will ask me to schedule sessions with Dr. Sijbrant to help relieve her stress and anxiety. I cannot recommend him highly enough.

Dr. Sijbrant proved to be an expert in assisting me heal my gut from terrible GI ailments…read more I was in tremendous pain, diarrhea, bloated, sleeping poorly and could not properly digest any food. It's a dark place to be if you've been there before. My Kaiser primary doctor prescribed me a suppository, Prilosec and extra strength Ibuprofen. WTF? He said there wasn't a need to see a Gastroenterologist based on my symptoms. A friend referred me to Dr. Sijbrant. I found him to ask relevant questions and be a great listener. He uses real science! We drew blood and sent it off to a lab for analysis to assess what foods I was intolerant to. That procured mind-boggling results. You must do a food intolerance test via blood sample if you're feeling like I described. He prescribed supplements and a restrictive diet regimen of which improved my conditions within 24 hours. As dramatic as it sounds, he saved my life. I feel strongly that if you are suffering from a GI problem that's out of control and need help - Dr. Sijbrant is the expert you should meet.

Roger Kao, MD - gastroenterologist - Updated October 2026

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