Dr. Vaughan Welcomes You to Vaughan Vitality Wellness

Our Mission here at Vaughan Vitality Wellness is to deliver health care as it should, providing an individualized integrative whole-body approach in a safe, loving environment, that gets to the root cause of your disease, supporting a healthy individual and community at large.

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A Whole Body Approach to Get to Your Root Cause of Disease

Functional Medicine is a model that relies on a patient-centered, science-based approach, to find the underlying cause of your disease and promote optimal wellness. At Vaughan Vitality Wellness, our Functional Medicine approach takes your whole health into account.

This holistic approach allows our doctors to do the detective work for you. By gaining a better understanding of your symptoms, our team can diagnose the root cause of your specific illness.

In other words, we treat the whole person, not just a single symptom, allowing for a better chance at long-term health and wellness.

Dr. Vaughan will meet with you to assess your history, perform evaluations, address your needs to determine if your are a good fit for our practice. If you have pain, stiffness or dysfunction, your body is sending a warning signal that something needs to be addressed and healed. A good example of these warnings, is if the smoke alarms are going off in your house, do you take out the batteries, ignore the signal or do you find the smoke? The best solution, is find what is the cause of the smoke, correct?

That’s what Dr. Vaughan does for your body. She finds the breakdown and cause of the dysfunction, which is causing the symptom. We will utilized physical exercises, chiropractic adjustments, laser, traction, posture correction and ergonomic counseling. Our first goal is to get you out of pain, then we will correct and stabilize.

Our Holistic Approach to Your Chronic Illness

At Vaughan Vitality Wellness, we excel at finding the root cause of your illness or symptoms, which may be much different than expected. This requires a close look at your genetics, biochemical factors, environment, toxins and lifestyle.

For example, depression may be caused by one or a combination of the following reasons: environmental factors such as toxins, metabolic dysfunction, hormonal dysfunction such as thyroid disease, social factors, prescription drug use, or a vitamin and mineral deficiency. On the other hand, a symptom such as inflammation may be a contributing factor to diabetes, autoimmune, arthritis, or an allergic reaction. We utilize specialized diagnostic testing to determine you imbalances such as, complete blood work, food sensitivity testing, adrenal testing, stool testing, heavy metal testing, hormonal testing and more.

Ultimately, we develop personalized treatment plans that lead to improved patient outcomes based on a holistic view of your health by evaluating the whole person. The goal is to give you the tools you need to effectively support your body to health for the long-term—so you can focus on what really matters most to you.

Our Vaughan Vitality Roadmap is a unique approach to help motivated adults battling fatigue, brain fog, digestive, hormonal & autoimmune issues regain their energy, focus, gut health, hormonal balance, and better sleep so they can finally look and feel their absolute best… especially if they feel unheard and have been told “your labs are normal”.

We partner with each client to achieve these steps, starting with the REVIEW & IDENTIFY Phase:

During the intake, we’ll review your past medical history and any previous lab tests, so we can assess gastrointestinal and hormonal symptoms or anything your doctor might have missed.

Next, we'll determine the need for additional lab tests to help pinpoint the real reasons why your hormonal symptoms are out of control and to understand your current hormone and stress levels.

After that, we'll prioritize diet, sleep and energy – tweaking your nutrition so we can repair any nutritional deficiencies that might be responsible for some of your symptoms. Many people don’t realize how poor diet, chronic inflammation and prescription drugs rob the body of vital nutrients needed for proper function. It’s like putting the wrong fuel in your car… it won’t run smoothly.

As part of the sleep & stress management, we focus on rebalancing your nervous system and dial down stress triggers that might affect your other hormones. Specifically, we’ll strengthen parasympathetic tone to help you shift from “flight or flight” to “rest and digest” mode – while dialing down inflammatory signals and enhancing mood and focus.

The next phase, REMOVE & REPAIR, begins with a look at detox and inflammation – helping you reduce your body’s toxic burden, avoid toxins in the first place, and replenishing your cellular machinery for an energized life.


We’ll review the different markers of inflammation as well as advanced lipid markers, so we can design a custom-tailored approach to repair and reverse the inflammatory damage resulting in premature aging processes.

The next step is dedicated to removing pathogens that are often at the root of gut dysbiosis, repairing the gut lining to reestablish intestinal integrity, and replenishing the microbiome to properly digest food, improve nutrient absorption as well as neurotransmitter production important for balanced mood.

In the final step in this phase, we’ll reestablish proper immune resilience – helping fortify your body’s defense mechanisms to handle whatever life throws your way. Depending on your specific situation, this can mean calming an overactive immune system or stimulating an underactive one.


Once we’ve made headway with the REMOVE & REPAIR phase, we’ll turn our attention to the REBALANCE & REPLENISH phase.

In the hormone rebalancing step, we provide thyroid and adrenal support to restore energy and improve metabolism. We also cover blood sugar balance and address possible insulin resistance that can keep you from losing weight and feeling energized. Plus we restore proper levels of reproductive hormones such as estrogen, progesterone & testosterone.

Next, we focus on the nervous system and brain health. Beyond strengthening parasympathetic tone, we’ll use QEEG and neurofeedback to teach the brain how to fire more efficiently and rest more deeply, all of which are designed to help with brain fog, memory loss, ADD, poor focus, sleep issues, anxiety or depression.

In the final step of our Vaughan Vitality Roadmap, we will cover healthy aging and longevity. We help you retain long-term healthy habits and mindset, boost cognition and mental acuity, and promote cardiometabolic fitness. Our ultimate goal is to ensure that you achieve long-term health and well-being, looking and feeling your absolute best.

Individualized Treatment Plans with a Team Approach

We feel that when it comes to your health, it should be a collaborative process. That’s why our licensed physicians work with you directly to discuss your health concerns. From there, you can develop a plan of action to best achieve your wellness goals.

Our providers work together to achieve the best possible outcomes for you using their combined expertise in the fields of:

  • Applied Kinesiology
  • Eastern and Western Medicine
  • Neurology (Brain Health)
  • Nutrition
  • Neuro-emotional Technique
  • Chiropractic Therapy

This integrated health approach not only addresses your symptoms, but also gives you tools to improve your overall health.

Is Vaughan Vitality Wellness Right For You?

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Meet the Team

Dr. Kristi Vaughan

Dr. Kristi Vaughan, DC, BCN, IFMCP, B.S.

Dr. Kristi Vaughan, DC, BCN, IFMCP, B.S. has a Bachelor in Science Business Administration; she completed her doctoral training from Southern California University of Health Sciences, specializing in functional medicine, nutrition, and chiropractic. She holds many post-graduate certifications in nutrition, functional medicine, QEEG (brain mapping), Neuro feedback (brain training), applied kinesiology, and other modalities.

As a Certified Functional Medicine Practitioner, Dr. Vaughan implements functional medicine protocols and nutrition with her patients. Functional medicine practitioners utilize science-based approach with diagnostic testing to focus on the fundamental underlying factors that cause patients symptoms and conditions, getting to the root cause of the disease.

Dr. Vaughan was awarded the 2016 Award of Excellence in Holistic Medicine. She is the author of Thyroid Track. Dr. Vaughan is a speaker and authority on functional integrative medicine, creating tremendous momentum in her community. She has changed countless people’s lives through her unique approach, passion, and unparalleled commitment to positive change.

Dr. Vaughan specializes in Autoimmune and Thyroid Disease. She utilizes Functional Medicine (IFMC), Clinical Nutrition, Applied Kinesiology (AK) & Neuro-Emotional Technique (NET), to design a personalized plan to help resolve chronic conditions and improve your health, reducing the need for prescription drugs, allowing each person to achieve whole body health and vitality. She looks at the big picture to get to the root cause of disease.

Michael Pierce, DC, DACNB

Michael Pierce, DC, DACNB

Dr. Michael Pierce has a doctorate in chiropractic, a post-doctorate in neurology with specialty national board certification, a Bachelor of Science degree, has completed culinary school and attended an MBA program before withdrawing to run his fourth nonprofit. He teaches internationally on neurology, neurochemistry, business and police weapons retention.

His use of non-invasive brain mapping technology has assisted in the treatment of many individuals — including celebrities and professional athletes — with chronic conditions and mental health disorders. Dr. Pierce has also served as a coma recovery team leader, a college professor, and a medical director of a large destination wellness spa that treated people with physical and mental illness.

In addition to his medical endeavors, Dr. Pierce is an accomplished chef. His culinary arts experience has shaped his nutrition programs. Dr. Pierce also informs his holistic practice with his formal musical training and knowledge of western and eastern philosophies.

How to Find Us

We are located at 151 Kalmus Drive Suite E-130, Costa Mesa, California - 92626

We are open Monday to Friday from 8:00AM to 5:00PM and we are closed on most major holidays

At Vaughn Vitality Wellness, we promise to put you first — by treating you with respect and providing the holistic medical attention you need. Our team excels at discovering the root cause of your medical condition. Our treatment approaches can help prevent disease and, in some cases, reverse illness.