Welcome To The Office Of
Dr. German Zermeno MD

Personalized, Root-Cause Medical Care for
Lasting Health and Vitality.

Welcome to the office of Dr. German Zermeno, MD, where patients receive thoughtful, individualized medical care focused on restoring health and long-term wellness. With decades of experience in family and integrative medicine, Dr. Zermeno takes a root-cause approach to treating chronic conditions, hormonal imbalances, pain, fatigue, and age-related concerns.

By combining conventional medical knowledge with functional and natural therapies, Dr. Zermeno helps patients achieve better balance, vitality, and quality of life through personalized care plans.

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Advanced Functional Medicine Specialist in Irvine, CA

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Our Services in Irvine, CA

Comprehensive care

Bioidentical Hormone Therapy for Men

Low testosterone levels can give rise to symptoms such as fatigue, insomnia, apathy, cognitive impairment, diminished libido, and erectile dysfunction in older men.

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Bioidentical Hormone Therapy for Women

Hormone replacement is a necessary therapy to maintain health and wellbeing. Hormonal imbalance is affecting women; young and old.

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Ozonotherapy for Chronic Pain

Many patients endure musculoskeletal/joint pain for months or even years without finding relief from conventional treatments.

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Kind words from our patients

Real reviews from real patients.

Update: I have been seeing Dr. Zermeno for about 10 years now. He saved the life of my mother when she was severely sick late 2019. I don't believe she would be here without his treatment. I am a doctor of chiropractic and have sent him patients over the years for services outside my scope of practice. He excels with hormone treatments. The women I have sent over the years swear he saved their lives. They refer all their friends. He stays on top of the latest research. Now that I am in my 50s, I was in need of help with my hormones. Now it is my turn to say he saved my life! I feel so amazing like I am back in my 20s or early 30s. He is an earth angel and really cares about his patients. He is very professional.

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Diana L.

This review is long overdue. Dr. Zermeno is an angel on Earth. He's definitely God sent. I met him six years ago when I was very ill. I was initially diagnosed with a condition that traditional doctors deemed incurable. My specialist gave me three options to manage my condition. He told me it was not curable, and that I would have to live with it for the rest of my life. Long story short, I was very sick, and desperate to heal and get my life back. A family friend referred me to Dr. Z. He heard my story, and he was very compassionate, understanding, and professional. After 6 to 8 months of seeing him and doing some natural treatments, I completely healed. He also helped change the way I eat, think, and live. He explained the importance of healthy and natural foods; the importance of our thoughts and how they affect our health, and how it's all interconnected with our health. Not too long after initially seeing him, I had a routine colonoscopy performed, and when the biopsy results came back, they stated that they could not find the disease in my colon. Fast forward to today, doctors still cannot find evidence of the disease in my colon. As a matter of fact, I just had a routine colonoscopy performed three weeks ago, and my new G.I. specialist stated that he could not find the disease in my colon, and that there is no trace of it even on a cellular level. I believe that doctors like Dr. Zermeno are angels on this earth. Dr. Z truly cares about his patients and their overall well-being. He is one of the very few doctors that I know that truly wants his patients to heal and live a thriving life. Beyond being a great doctor and person , he's also a great man of faith . I thank God for my healing, and I thank God for Dr. Zermeno. He helped save my life . Forever grateful 🙏🏻 . Trust me when I tell you, you are in great hands.

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C C.

Doctor Zermeno provided me with my needs. He was very professional, direct, thoughtful, helpful, confident, personable, and showed a genuine care and concern for my well-being.

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John C.

Great service including personalize treatment. I am very grateful for having met Dr. Zermeno and his team.

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Blanca C.

Very smart doctor, he listens and finds solutions to your issues rather than just giving you the same drugs that all the other doctors do.

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Sean C.

Dr. Zerneno and his staff are amazing. They are kind, caring and knowledgeable. Dr. Zermeno takes his time, listens and addresses my concerns. The bioidentical HRT he recommended is a blessing.

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Carlie C.

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