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Koala Endocrinology

3.9 (12 reviews)

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7 years ago

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5 years ago

Dr Nguyen is wonderful, my daughter loves to go see her. She is very patient and her staff is all very nice.

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Fresno Holistic Medicine

Fresno Holistic Medicine

4.6(20 reviews)
3.0 mi

Run don't walk to see Dr. Tais or Dr. Joy... I've been a patient for over 2 years and Dr. Tais ran…read morelabs that no doctor has ever ordered before. No wonder I felt lousy, my testosterone was zero, my B12 & B 's very low, Vit D low, stress very high, achey & starving all of the time, hypoglycemia & hypertension due to the stress, etc. She took an entire hour to review my whole health picture. I have a Gyne, Family practice physician, and an Endocrinologist who could not make the positive impact on my health that Dr. Tais has made. She is amazing and I couldn't recommend her more. I also appreciate that she doesn't high pressure ANYTHING or make you feel like a used car lot. She recommends high quality supplements, and you can buy them wherever you want to. But they really work..... I feel 100% better, thanks to her in-depth assessment and that she actually looks at the whole person. Yes she is a bit pricey, but your health is your wealth so we have to prioritize our health, and she is worth it. Thank you Dr. Tais and team!!

Dr.Tais is the first naturopathic physician to treat me. I scoured the websites looking for a…read morenaturopath in the Fresno area, with the understanding my insurance would not cover any of my treatments with any such doctor. I had been quite ill for about three years and became frustrated with all of the poking and prodding ( 3 surgeries, and 1 year of physical therapy) my primary and all 14 specialists were asking me to endure. My labs, tests, cat-scans, MRI's and surgical findings always came up "inconclusive" or just "slightly off/out of range", no real definitive answer or name for why I felt so awful and my body was morphing into someone I no longer recognized. After the last major surgery I was desperate to feel well again and deteriorating quickly, with no faith in the physicians and surgeons caring for me. My primary said I was just a sensitive woman and indicated I may just have anxiety issues. Enough was enough, I took a leap of faith and emailed Dr. Tais who kindly responded and answered my questions about billing, payments , labs, and tests before scheduling a first visit via email. She let me know I was welcome to telephone with any other questions. I did telephone and she called me back, I was a little surprised at first because rarely does the actual provider speak to you on the phone themselves. Upon our first visit I found Dr. Tais to be kind, caring, patient, and a very good listener. She ordered a few labs, requested all of my records from my previous 14 specialists and primary care doctor and said she'd phone when results came in. In ONE VISIT and ONE ROUND OF LABS she chose to order she found the culprits of my rapidly declining health!! ONE VISIT !!!!! I was relieved and upset all at once, I wasn't crazy after all and SHE found out what was wrong in ONE VISIT!!! One of my first questions after wrapping my head around the treatment and the fact that I absolutely knew something was wrong with my health was..... "Did my previous panel of physicians miss this key indicator in my many rounds of labs with them?" Yes , they did!! It was right there in the labs that they forwarded to her themselves in black and white. It has taken everything in me to not go back in to every one of their offices and point out on their labs and her labs the egregious oversight that robbed me of 3 years of my life!! The doctors that my insurance would cover visits for wasted my time, resources, ordered time away from work, and missed my children's many milestones (years of my life) because they overlooked their own orders and labs. I am not a wealthy person and have paid a few thousands of dollars over the past three years trying to resolve my health issues. Had I only known about Dr. Tais and her practice I would have spared the three years of damage to my body, and had a much healthier and larger savings account. She is now the only doctor I trust, I chose to continue with her practice even after pinpointing the root cause of all of my many symptoms and am now a loyal and lifelong patient. I am feeling so much better now and we are working to fine tune the treatments to get me back to optimal health!!! The follow up visits (much less than the initial setup appointment) aren't too much more expensive than my regular copays with my health insurance and my husband agrees that Dr.Tais is worth every penny!!!

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Spring Endocrinology

Spring Endocrinology

2.7(7 reviews)
0.0 mi

Colby is the first endocrinologist I've ever seen in my life who is smarter than all the MD's I've…read moreseen. He caught on right away to what I had and took the time to listen. I was impressed by his bedside manners and how knowledgeable he is. He truly practices whole health care and evidence based treatment. He is up to date on all the rare and new procedures. He is knowledgeable in so many areas and if he doesn't know he was the best mentor to seek answers from. He has been a huge part of my team towards recovery. If you are looking for an endocrinologist who doesn't dismiss your symptoms or gaslights you-run, drive safely but fast to see him. He is the worth the wait and is honest with you even when you don't like what you hear. Thank me later.

My son was seen by Colby Morton on three separate occasions regarding concerns about his growth,…read moreand unfortunately our experience was extremely disappointing from start to finish. Communication was poor, our concerns were repeatedly dismissed, and at no point did we feel genuinely heard, informed, or supported. At the very first appointment, our concerns regarding my son's growth were quickly minimized after simply discussing my height and his father's height. We were essentially told there was no concern because "you're just short." As a parent, that response felt dismissive and discouraging, especially when we were seeking professional guidance and answers. I had to push just to have basic testing ordered. Blood work was reluctantly ordered, but a bone age scan was refused until after the labs were completed. When we returned for results, we were briefly told the blood work was "good" and that my son was simply done growing. I again pushed for a bone age scan, which was eventually ordered. At the follow-up appointment, we were again told nothing could be done because my son's bones were fused and he was done growing. However, the bone age report specifically referenced "essentially fused" and "near complete fusion," which suggested there may still have been at least a small window for discussion regarding possible options or intervention. Instead, the conversation was immediately shut down with little explanation. What I found most unacceptable was the complete lack of communication and patient education regarding my son's medical findings. When I asked for a better explanation of the blood work, I was told it would "take too long." This was after waiting over an hour and twenty minutes to be seen. The lab results were then reviewed by simply reading medical terms and numbers directly from the chart without explaining what they meant or why they mattered. As a parent, I am not expected to understand specialized endocrine labs or terms like IGF Binding levels. That is exactly why families seek professional medical care and guidance. Additionally, my son's bone age reportedly came back approximately 1.1 deviations above normal, indicating his bone age was older than his physical age, yet this was never meaningfully explained beyond repeatedly stating he was "done growing." Over the course of three appointments combined, I would estimate we spent maybe 20 minutes total with this provider. Every visit felt rushed, dismissive, and lacking empathy, professionalism, and meaningful communication. Instead of leaving with clarity or support, we left feeling frustrated, discouraged, and more confused after each appointment. Another frustrating aspect of this experience was later discovering that Colby Morton is a nurse practitioner, not a medical doctor, as that distinction was never clearly communicated in a way we understood during the course of treatment. At no point were we given the opportunity to discuss my son's case with a physician despite the complexity of the concerns and our repeated requests for more explanation and guidance. Ironically, I received a far more detailed and understandable explanation of my son's lab work and bone age results after independently researching and reviewing them myself than I ever received during these appointments. Families seeking pediatric endocrine care deserve clear communication, compassion, education, and a provider willing to take the time to explain important medical findings. Unfortunately, that was not our experience here, and I would not recommend this provider based on the care and communication we received.

Koala Endocrinology - endocrinologists - Updated May 2026

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