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    Kenneth S. Blumenfeld, M.D. FAANS

    4.2 (15 reviews)
    Open 8:00 am - 5:00 pm

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    Dr. Blumenfeld is simply the best. Great surgeon, great bed side manner.

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    Ask the Community - Kenneth S. Blumenfeld, M.D. FAANS

    Review Highlights - Kenneth S. Blumenfeld, M.D. FAANS

    Blumenfeld looked at my MRI and concluded that I should get a surgery done (disc replacement).

    Mentioned in 10 reviews

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    UPDATE: I had my L5-S1 fusion surgery a few years ago, and it truly changed my life forever...now…read more51, I feel like my life has just begun. What Dr. R and his team accomplished still feels like a miracle to me.This past month, I returned from the trip of a lifetime -- a full month backpacking through Spain, Portugal, France, Monaco, and Italy. I hiked scenic trails, biked along stunning coastlines, swam in the Mediterranean, and explored vibrant cities without any pain or limitations. I traveled freely by plane, train, bus, boat, metro, and every other mode of transportation, carrying my pack with complete ease and pure joy. Activities I once only dreamed of doing again have now become my everyday reality.I am endlessly grateful to Dr. R for his exceptional skill and deeply compassionate care. He didn't just repair my spine -- he restored my body, reignited my spirit, and gave me back my confidence and freedom. Thanks to him and his wonderful staff, I feel like I've been given a second chance at life, fuller and more joyful than ever before. Not a single day passes without me thinking of them and feeling overwhelming thankfulness in my heart.I still can't believe how active, vibrant, and beautiful my life has become. Words will never be enough to express the depth of my gratitude, but I will forever be thankful to Dr. R and his team for this incredible gift.

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    I cannot say enough wonderful things about Dr. Onibokun and the entire team at San Jose Neurospine…read more A year ago, I came to Dr. Onibokun suffering from a severe herniated disc in my cervical spine. The chronic neck pain had become absolutely excruciating and was significantly affecting my quality of life. Dr. Onibokun performed a C6-C7 anterior cervical discectomy and total disc arthroplasty using the Mobi-C device, and I can genuinely say the procedure changed my life. One year later, the debilitating neck pain I lived with is completely gone. To wake up and go through my days without that constant pain is something I will never take for granted. From the very beginning, Dr. Onibokun made me feel that I was in incredibly capable hands. He took the time to explain everything clearly, answered my questions, and gave me confidence going into what was understandably a very scary experience. His expertise as a surgeon is exceptional, but what stood out just as much was the care and compassion he showed me as his patient. I am deeply grateful to Dr. Onibokun for giving me my quality of life back. There are certain people you encounter in life who make an impact you will never forget, and he is absolutely one of those people for me. I also want to recognize his wonderful staff at San Jose Neurospine. Everyone I interacted with throughout the process was kind, responsive, patient, and supportive. From preparing for surgery through recovery and follow-up care, they made an overwhelming experience feel so much easier and made sure I felt cared for every step of the way. If you are dealing with serious neck or spine issues and are looking for a surgeon you can trust, I wholeheartedly recommend Dr. Onibokun. I will forever be grateful for his skill, his care, and the incredible outcome of my surgery. Thank you, Dr. Onibokun and the entire San Jose Neurospine team, for everything you did for me. You truly changed my life. - Marina Angelica

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    Kenneth S. Blumenfeld, M.D. FAANS - neurologist - Updated August 2026

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