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The Real Gut Doctor’s medical practice focuses on functional concierge medicine, regenerative medicine, obesity, and healthy aging, with a particular emphasis on gut health, which directly influences brain health. We recognize that, as an individual, you need a customized treatment strategy. Here, we develop treatments to assist you in living your best life.
Dr. Jeffrey Mark, MD, is a leader and five-time Board Certified in Functional Care, Anti-aging and Regenerative Medicine, Obesity Medicine, Gastroenterology, and Internal Medicine. He offers concierge medicine services to patients in the Bay Area, Silicon Valley, East Bay, and San Joaquin Valley. In addition, with locations in California and Illinois, he provides Telehealth Services in person or remotely to customers in all 50 states. His clinic employs a blend of the latest medical technology, evidence-based evaluation, and therapies that integrate a holistic approach to addressing the underlying causes of your medical issues.
Our main focus is on teaching people long-term health maintenance techniques to prevent the return of chronic problems. We will take a holistic approach to your health, guided by the latest findings in nutritional science and lifestyle medicine.
Our main focus is on teaching people long-term health maintenance techniques to prevent the return of chronic problems. We will take a holistic approach to your health, guided by the latest findings in nutritional science and lifestyle medicine.
Dr. Mark creates tailor-made treatment plans for various medical conditions, tailoring his approach to each patient’s unique needs and preferences to maximize the likelihood of positive clinical outcomes.
Our caring and compassionate staff helps patients relax and focus on getting better, despite the gravity of their medical conditions. They deliver exceptional customer service and make appointment setting, asking questions, and payment options seamless and simple.
Through conservative, drug-free options and minimally invasive procedures, patients always have choices and get all the information they need to make informed decisions. We try to get to the root of your health problems instead of treating the symptoms. At The Gut Doctor, we have an answer for your health needs.
Dr. Mark received his BS in Neurophysiology from Northwestern University in Chicago, Illinois, then attended the University of Illinois College of Medicine. His internal medicine residency was at Northwestern. In addition, Dr. Mark completed gastroenterology training at Chicago Medical School and medical acupuncture at UCLA (UCLA).
Dr. Mark has over 20 years of experience and uses integrative medicine to prevent, diagnose, and treat disease.
His experience and expertise make him a standout doctor. Dr. Mark is comparable to four specialists.
He treats sports injuries, ADD/ADHD, chronic pain, cognitive decline, and weight loss. Dr. Mark’s innovative, individualized treatment plans are well-respected.
Have questions about your health? Our patient coordinator is available to help you decide if our approach is right for you.