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Kent Holtorf

M.D. - El Segundo Office

Holtorf Medical Group was founded by Dr. Kent Holtorf with a goal to treat patients struggling with symptoms that were unexplainable by traditional medicine. Within his practices, Dr. Holtorf established the importance of taking a holistic and innovative approach to healthcare to help patients regain their health and get their life back. Treatment at Holtorf Medical Group centers around the interconnectivity of various systems of the body with the goal of addressing the root cause of symptoms.

Dr. Holtorf’s desire to help those suffering from undiagnosed health concerns stems from his own personal health journey. In medical school, he suffered from terrible fatigue, barely able to function. He was told by numerous specialists that he was depressed or stressed, and simply needed to get more sleep and exercise more. Standard tests revealed nothing abnormal, and yet, nothing seemed to help him. After a few years, and extensive testing, it was discovered that he had Lyme disease, Babesia, and Bartonella, along with a number of reactivated viruses and mold toxicity.

As he discovered treatment protocol that helped his symptoms, he knew there were many others suffering the same way he had. As a result, he opened centers treating patients with similar issues, who had seen countless physicians only to be told that nothing was wrong with them, yet they felt horrible.

Dr. Holtorf continues to find ways to establish and promote more integrative healing methods by personally training numerous physicians across the country in the use of bioidentical hormones, hypothyroidism, peptide therapy, complex endocrine dysfunction, and innovative treatments of chronic fatigue syndrome, weight loss, Fibromyalgia, and chronic infectious diseases, including Lyme and related diseases.

Dr. Holtorf is also the Founder and Director of the non-profit National Academy of Hypothyroidism and Integrative Sciences (NAHIS), which is dedicated to the dissemination of new evidence-based information to doctors and patients on the diagnosis and treatment of hypothyroidism and advanced integrative diagnostic and treatment protocols.

He has been a featured guest on numerous TV shows, CNBC, ABC News, CNN, EXTRA TV, Discovery Health, The Learning Channel, The Today Show, Dr. Dean Edell, Glenn Beck, Nancy Grace, Fox Business, ESPN, Rush Limbaugh, CBS Sunday Morning, Sean Hannity, So Cal News and quoted in numerous print media including the Wall Street Journal, Los Angeles Times, US New and World Report, San Francisco Chronicle (front page), WebMD, Health, Elle, Better Homes and Garden, US Weekly, Forbes, Cosmopolitan, New York Daily News, Self magazine among many others

Holtorf Medical Group is privileged to have a team of experts who are passionate about helping people regain their health. Our physicians are trained to utilize cutting-edge testing and innovative treatments to uncover and address the root cause of your symptoms.

If you are experiencing chronic health issues and suspect you may need treatment or if you’ve been diagnosed with a condition such as Lyme disease, Fibromyalgia, chronic fatigue syndrome, but aren’t getting the treatment you need, contact us to see how we can help you!

Writings and Research by Dr. Holtorf:

Peptides: Unlock the Secret to Longevity

The Bioidentical Hormone Debate

Diagnosis and Treat of HPA Axis Dysfunction in Patients with CFS and FM

Thyroid Hormone Transport into Cellular Tissue

Hormones in Wellness and Disease Prevention

Hormone Replacement Therapy in the Geriatric Patient Part I

Hormone Replacement Therapy in the Geriatric Patient Part II

Peripheral Thyroid Hormone Conversion - Impact on TSH and Metabolic Activity

Nanotechnology’s Latest Oncolytic Agent: Silver, Cancer & Infection Associations Part III

See What People Are Saying

I am so grateful to Doctor Holtorf. I was feeling terrible, and had seen so any doctors, and no one seemed to be able to help me. THEN I found Dr. Holtorf. He took various tests, and then put me on hormone replacement with natural hormones, and I have never felt better.

From feeling that there was no tomorrow, to having so much energy and excitement...this has been my dream come true. I am so grateful to Dr. Holtorf and his wonderful staff.


Dr. Kent is awesome. He's so understanding and always makes me feel at ease, even though I only see him when I'm sick or hurt haha. If you don't have one doctor you see regularly, or I mean, whenever you need to see a doctor, then join the Dr. Kent Klub.


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