
Personalized care. Whole-body insight. Real answers. Real Solutions.
Functional Medicine Doctor who specializes in Finding your root cause of your problem.
If you’re tired of temporary fixes and unanswered questions, a functional medicine doctor helps uncover what’s actually driving your symptoms — and creates a plan built around you.

Looking for a Functional Medicine Doctor Who Actually Listens?
Many people seek a functional medicine doctor after years of feeling unheard or rushed through appointments. At Vaughan Vitality, care begins with listening. We take time to understand your health history, symptoms, lifestyle, stress levels, and goals so we can identify patterns that traditional care often misses. Our approach is focused on clarity, connection, and long-term improvement, not temporary symptom control.
Our Approch
Functional medicine is a patient-centered approach that focuses on identifying and addressing the root causes of health concerns rather than masking symptoms. It looks at how the body’s systems work together and how lifestyle, nutrition, stress, and environment influence overall health.
A functional medicine doctor evaluates the whole person, not just a diagnosis. This includes reviewing medical history, current symptoms, lifestyle factors, and functional imbalances to create a personalized care plan that supports the body’s natural ability to heal.
Functional medicine supports long-term health by addressing underlying imbalances, improving system communication within the body, and helping patients understand why symptoms developed in the first place.
Conventional care often focuses on symptom management. Functional medicine focuses on identifying why symptoms exist and creating individualized strategies to support lasting improvement.
Functional medicine is commonly used for fatigue, digestive issues, hormone imbalance, inflammation, autoimmune patterns, stress-related symptoms, and unexplained health concerns.
How we can help

Natural Medicine

Personalized Care

Mind Body Balance

Gentle Treatment

Holistic Healing

Whole Person Wellness

Why Choose Us
Choosing a functional medicine doctor is a personal decision. At Vaughan Vitality, patients choose us because we prioritize time, communication, and individualized care. Our approach is thoughtful, supportive, and focused on helping you understand your health so you can make informed decisions with confidence.
DO YOU ACCEPT INSURANCE, MEDICARE, OR MEDICAID?
Our practice operates outside of the traditional insurance model so we can provide longer visits and truly personalized care. While we do not accept insurance, we are happy to provide a detailed receipt (superbill) for possible reimbursement depending on your plan. Also, we do accept HSA/FSA (health savings account) eligible expenses.
Our Services
At Vaughan Vitality, functional medicine care is built around understanding the whole person. We focus on identifying imbalances, supporting system function, and creating a clear plan that aligns with your body and lifestyle. Care is collaborative, guided, and designed to support long-term wellness rather than short-term fixes.
- Applied Kinesiology
- Bioidentical Hormone Replacement Therapy
- Neurofeedback Brain Training
- Nutrition
- QEEG Brain Scans
- Stool Test
- Food Sensitivity Test
- Heavy Metal Test
- Mold Test
- Cardiovascular Test
- Hormones Test
- Thyroid Test

We Help Our Patients With
How it Works
Step-by-step guided care designed to support healing and long-term balance.

Personalized Assessment
A comprehensive evaluation that looks beyond symptoms to understand your physical, emotional, and lifestyle patterns. This allows your homeopathic medicine doctor to create a truly individualized care plan.

Root-Cause Treatment Plan
Homeopathic remedies are selected based on your unique presentation, not just a diagnosis. The goal is to gently support the body’s natural ability to restore balance over time.

Digestive and Gut Support
Many chronic symptoms begin in the gut. Homeopathic care often focuses on improving digestion, absorption, and gut balance to support overall health and resilience.

Ongoing Care and Adjustment
Healing is not a one-time event. Your care plan is regularly reviewed and adjusted based on your progress, ensuring continued support as your health needs evolve.
About Dr, Kristi Vaughan
Dr. Kristi Vaughan is a dedicated and compassionate Homeopathic Medicine Doctor with a deep commitment to whole-person care. She takes the time to understand each patient’s unique health history, lifestyle, and concerns, focusing on identifying root causes rather than simply managing symptoms. With a patient-centered approach grounded in natural and evidence-informed homeopathic medicine, Dr. Vaughan supports individuals seeking gentle, personalized solutions for chronic and complex health challenges, helping them restore balance, resilience, and long-term vitality.
Dr. Vaughan has received numerous accolades, including the 2016 Award of Excellence in Holistic Medicine, the 2020 Top Doctor Award, and the 2023 Women in Medicine Top Functional Medicine Practitioner Award. She is the author of Thyroid Track and is a certified expert in Neurofeedback and QEEG.
As a prominent speaker and authority in functional integrative medicine, Dr. Vaughan has made a significant impact in her community, transforming countless lives through her unique approach, passion, and unwavering dedication to fostering positive change.Her areas of specialization include Autoimmune Disorders, Peri-menopause, Menopause, Thyroid Disease, Gut Dysfunction, Environmental Toxicities, and Brain Balancing.

What people say
“My 13 year old daughter started seeing Dr. Vaughan because her TSH was 9.9, which is a thyroid test. She was feeling tired, body aches, and wasn’t eating much. A family member referred me to Dr. Vaughan. She spoke very highly of how she had helped her mother. Dr. Vaughan ran many test, in which she discovered my daughter had auto-immune thyroid. I have thyroid disease, on medications for years. She also tested my thyroid, I was also auto-immune thyroid. She worked with her and really the whole family educating us on the causes thyroid disease.. After her first blood test her TSH went down to 3.1. My daughter began to act like herself again, eating and playing as she did before. Dr. Vaughan really cares about her patients and their results. She’s a great doctor I would recommend her. I feel better than I have in a very long time.” – Malerie J.
“I have been on thyroid medications for almost 20 years and on diabetic medications for 15 years. It seems that the medications continue to increase, while my symptoms worsened. I have rheumatoid arthritis, with pain through out my body, fatigue and feeling not as sharp as I was in the past. I began to see Dr. Vaughan and within a few weeks I noticed an increase in energy. My diabetic medications began to drop. My weight began to drop. I have fought losing weight all my life due to my thyroid issues. My A1C was 8.9 when I started, with three different diabetic medications, high doses of statin medications and 150 mg thyroid medications. Six months later I am proud to say I have more energy than ever. I lost 35 pounds. My A1C is at 5.6 and off all diabetes medications, off my statin medication and my thyroid medication dropped down to 25 mg. Dr. Vaughan helped me realize I also have auto-immune thyroid, and how to control my auto-immune flare ups from happening. If you want to be healthy or get support out of your disease to a better place, go to Dr. Vaughan. Stop waiting. Your health will only get worse if you don’t address it.” – Karen C.
“My wife sees Dr. Vaughan, in which she continued telling me I need to go see her to get help with my diabetes. She had seen me struggle with it for 10 years. I am only 54 years old, my health started to deteriorate. I finally went to have a visit with Dr. Vaughan. I was really impressed by her knowledge and her approach. My A1C was 10.4. Immediately in the program my fasting blood sugars started dropping. My head wasn’t as foggy and I wanted to go work out because I had more energy. She ran diagnostic test and discovered I also had a thyroid issue. After working with her and doing as she asked my A1C is now 5.2 on no medications. My thyroid is back in balance. I have my life back. Thank you Dr. Vaughan.” –Tim L
“My 13 year old daughter started seeing Dr. Vaughan because her TSH was 9.9, which is a thyroid test. She was feeling tired, body aches, and wasn’t eating much. A family member referred me to Dr. Vaughan. She spoke very highly of how she had helped her mother. Dr. Vaughan ran many test, in which she discovered my daughter had auto-immune thyroid. I have thyroid disease, on medications for years. She also tested my thyroid, I was also auto-immune thyroid. She worked with her and really the whole family educating us on the causes thyroid disease.. After her first blood test her TSH went down to 3.1. My daughter began to act like herself again, eating and playing as she did before. Dr. Vaughan really cares about her patients and their results. She’s a great doctor I would recommend her. I feel better than I have in a very long time.” – Malerie J.
“I have been on thyroid medications for almost 20 years and on diabetic medications for 15 years. It seems that the medications continue to increase, while my symptoms worsened. I have rheumatoid arthritis, with pain through out my body, fatigue and feeling not as sharp as I was in the past. I began to see Dr. Vaughan and within a few weeks I noticed an increase in energy. My diabetic medications began to drop. My weight began to drop. I have fought losing weight all my life due to my thyroid issues. My A1C was 8.9 when I started, with three different diabetic medications, high doses of statin medications and 150 mg thyroid medications. Six months later I am proud to say I have more energy than ever. I lost 35 pounds. My A1C is at 5.6 and off all diabetes medications, off my statin medication and my thyroid medication dropped down to 25 mg. Dr. Vaughan helped me realize I also have auto-immune thyroid, and how to control my auto-immune flare ups from happening. If you want to be healthy or get support out of your disease to a better place, go to Dr. Vaughan. Stop waiting. Your health will only get worse if you don’t address it.” – Karen C.
“My wife sees Dr. Vaughan, in which she continued telling me I need to go see her to get help with my diabetes. She had seen me struggle with it for 10 years. I am only 54 years old, my health started to deteriorate. I finally went to have a visit with Dr. Vaughan. I was really impressed by her knowledge and her approach. My A1C was 10.4. Immediately in the program my fasting blood sugars started dropping. My head wasn’t as foggy and I wanted to go work out because I had more energy. She ran diagnostic test and discovered I also had a thyroid issue. After working with her and doing as she asked my A1C is now 5.2 on no medications. My thyroid is back in balance. I have my life back. Thank you Dr. Vaughan.” –Tim L
Our treatment approaches can help prevent disease and, in some cases, reverse or see diseases go into remission, by supporting your body’s ability to heal naturally.









