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At Bay Area Health and Wellness Center we believe in investigating into the cause of your discomfort and not just masking or addressing the symptoms. Functional medicine is defined as a personalized, systems-oriented model of health care that empowers patients and practitioners to achieve the highest expression of health by working in collaboration to address the underlying causes of disease. We believe strongly in the principles of functional medicine and take a holistic and alternative approach to work with each individual person's needs.

Using the latest research in Nutrition, Immunology and Neurology we tailor personalized plans to meet your specific needs. We very much believe in giving you the most effective plan that yields the fastest results.


Dr. Ernesto Medina, DC is the founder of Bay Area Health and Wellness Center.

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Dr. Ernesto Medina is the founder of the Bay Area Health and Wellness Center in San Jose, CA, a Functional Nutrition and Neurology based health center focused on helping people with chronic unresolved health struggles, that conventional medicine has been unable to help.

Education: In 2012 he graduated from Life Chiropractic College West in Hayward, CA and went straight into clinical practice. He is currently a member of the International Association of Functional Neurology and Rehabilitation, and the Kharrazian Institute where he continues to stay up to date with the latest research and clinical applications in Functional Medicine and clinical neuroscience to better serve his patients.

Featured book: Dr. Medina is a co-author of the best-selling book, “Break Free To Stand In Your Power”. The intention of this book is to provide powerful wisdom, tips, and insights around stepping more into your power and purpose and becoming more empowered in your life, business, and career. This book will become a powerful resource to those looking to learn and grow around empowerment and the remarkable courage it takes to start on the empowerment path.


Chiropractic & Nutrition

  • Back pain & neck pain

  • Chronic inflammation

  • Whiplash

  • Shoulder/Rotator cuff injuries

  • Knee and ankle injuries

  • Chronic muscle tears, sprains & strains

  • Lab Testing and Analysis

  • Nutritional Evaluations

Complex Neurological & Metabolic Conditions

Concussions & mTBI

  • Post-Concussion Syndrome

  • Migraine, neck pain and back pain

  • Nausea, vertigo and dizziness

  • Increasingly poor balance

  • Poor focus and concentration

  • Fatigue

  • Visual Changes

  • Light and sound sensitivity


  •   Ernesto Medina is the real deal.  Anyone looking to improve their overall health, get a deeper understanding of their physiology, or wants to optimize their training performance, needs to work with him.  What I enjoyed most about working with Ernesto was his ability to break down information and provide simple answers that I would not have otherwise received from my regular health care professional.   I found that when you are generally healthy, you are told that things are "normal," because you are not falling into the ranges of unhealthy or sick people.  But what if you just want to be the best version of your healthy self?  Through working with him, I learned that my quality of life was sub-optimal and that taking a deeper look into my physiology improved my quality of life dramatically. I started sleeping better, I had energy throughout the day, my skin looked better than ever, I lost body fat, continued to gain strength and muscle, and my performance in the gym skyrocketed. The amount of change that occurred is mind-boggling. He helped to reclassify normal and got me to feeling better than I ever have!

    thumb Heather C.
  •   Dr. Medina is a lifesaver! This review is long overdue. I first came to see him in Summer of 2019 for an autoimmune skin disease called Lichenplanus. My skin was out of control - very dry, flakey, itchy, rashy, peeling on my hands, arms and chest. I wanted to hide those parts of my body all the time. I was tired of going to my dermatologist who kept prescribing me the strongest steroid cream and sending me on my way. Ernesto was incredibly thorough with his examinations and testing and dedicated to finding the root cause. Through extensive bloodwork we found an underlying bacterial infection that was likely contributing to my skin issues. I followed a very strict liver and digestive cleanse/detox for five weeks which revealed hidden food sensitivities which were also contributing to my skin flaring up. By October of 2019 my skin had cleared up and I now know that I'm allergic to too much soy and particular white wines, both which would cause my skin to break out. Additionally, Dr. Medina has helped me with my slipped disc impinging my sciatic nerve (spondylolisthesis) through chiropractic adjustments and exercises to help me strengthen my core. The third thing he has helped me with is getting my hormones back in balance after being on hormonal birth control my whole life. I had to stop seeing Ernesto in March of 2020 when the pandemic hit because I am self employed and lost a majority of my work so I had to adjust my financial spending. He is truly the best, so knowledgeable and trustworthy - he changed my life and health and I am so very grateful.I will definitely be back in the near future to continue working on my back and balancing out my hormones. Thank you, Ernesto!

    thumb Fallon W.
  •   Hashimoto's disease patient; 23 years old
    I went to Dr. Medina after having exhausted all conventional medicine. I was seeing a general practitioner and then an endocrinologist. Moral of the story is that I was still feeling as terrible as when I was diagnosed in May 2018. I went to Dr. Medina with a desperate cry for help in July 2019. I cannot express how much this man has changed my life and the way I view autoimmune diseases now. I went in with a flurry of symptoms and 2 months later, after having undergone his treatment plan, I regained control of my life and the autoimmune disease I'm living with. It was definitely a tough journey but well worth it! Dr. Medina is so knowledgeable in what he does. Time and time again I tell people that he is by far the best, most knowledgeable Doctor I have ever encountered. My advice if you are looking for a new doctor that can actually help you HEAL is; pay attention to what Dr. Medina has to say, follow his treatment plan and recognize that it takes​ two to tango- meaning that you too will have to put in a good amount of work and will to heal. To me, undergoing all of this has been a 'miracles do happen' moment. Much appreciation for Dr. Medina!
    Ps. He's an amazing chiropractic adjustor!

    thumb Vanessa L.
  •   I am blown away by Dr. Ernesto's depth of knowledge on integrative and functional medicine. He has the education and expertise to help many difficult and complex issues such as concussion syndrome, Alzheimer's, menier's and more. He is also a really nice person. I highly recommend him.

    thumb Shasta T.
  •   Autoimmune patient. My autoimmune and digestive issues had soared out of control, and Dr. Medina was the calm, knowledgeable, ever supportive functional doctor that led me through incredibly difficult decisions to ditch my vegan diet. After several months working with Dr. Medina, my stomach and all autoimmune issues have been resolved for many months now and I eat a wide variety of foods. I rarely crave the empty calorie snacks, I'm consistently at my ideal weight with little effort, and my entire body composition has changed. I look and feel much, much healthier. It was a difficult but necessary journey for me and Dr. Medina is just the kind of guy you want on your side to help you navigate your way through. He has positively altered the quality of my life forever. Thank you, Dr. Medina!

    thumb Christina E.
  •   Dr. Medina has been a tremendous help with lower back, neck and wrist pain sustained from a car accident in April of 2018. He was very easy to work with and helped fixed all of my symptoms within weeks of the accident.

    What sets Dr. Medina apart is his ability and passion to look at all areas of health and wellness to help solve bodily issues to get someone like myself back into their daily activity. Hands down he performed the best chiropractic work on me I have ever received and I recommend him to anyone looking to improve their overall health and wellness.

    thumb Josiah R.
  •   I've struggled with hormone issues for years. Finally, I went to Dr. Medina and I'm so happy I did. I got a month long female hormone panel done and based on those results Dr. Medina was able to confidently tell me the root cause for why I was still having adult acne issues and unbearable mensural cramps. After only 3 month on the supplement protocol he recommended, my acne was gone, yes gone! I can't tell you how much of a confidence booster that is unless you've lived with acne since your teens. As for my cramps, I've been able to get off the prescription pain killer I was on in order to keep the pain in check and at a level where I wasn't having to throw up. Now I have only a few hours of mild cramps and the rest of my period is pretty easy going. Game changer for me.

    I highly recommend Dr.  Medina if you are having any hormone issues or feel others haven't been able to help.

    thumb Marci G.
  •   I saw Dr.Medina for a  complimentary  30-minute consult  ; I came in with a binder of tests and a myriad of questions. Dr.Medina thoughtfully and patiently addressed all of my issues. I more than highly recommend Dr.Medina based on his attention and professionalism in this short time frame.

    thumb Lambie G.
  •   About one and a half years ago, I went to see Dr Medina about relieving back pain in my upper rear shoulder (scapula).  He performed active release on the area and did some adjustments to fix a rib that was slightly out of place.  Voila, within three appts the problem was gone.  I haven't had a recurrence, since.  This was after suffering from that problem for about seven years.  It was to a point that I couldn't lean on that shoulder, sleep on it, or sit for short periods of time.
    More recently, I underwent surgery for my ankle.  After months of PT, I was still not able to function on my ankle.  My knee started locking up, so I went to have Dr Medina do active release on it and an adjustment.  Immediately, I was able to do deep knee bends on it.  Within a few appts, it was no longer locking up.  At the same time, he took a look at my ankle.  Up to that point, I was completely unable to run or load that ankle.  After a few (five) appts with adjustments, sensory stimulation, and strengthening exercises, I'm actually running and doing moderately heavy squats.  I ran for ten minutes last night.  Before, I couldn't run ten seconds.  Feel like giving up?  Don't.  Just call Ernesto.

    thumb Chuck P.
  •   I don't normally come to the South Bay for treatments but was in the neighborhood for a business meeting and decided to give Dr. Medina a try. He was very effective and very efficient and the issues in my upper and mid back were resolved with the first visit! I also had a nice talk about his functional medicine practice and am planning on trying to get my parents to visit from SF for Alzheimer's analysis and preventative treatments/consultations. Who knew that there are already treatments available for Alzheimer's!

    thumb Andre S.
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