Functional and Precision Medicine in Central Missouri

New discounts available

If you are new to IV nutrient or IV ozone therapy and want to try them out, we are now offering a 10% discount on one IV or on your FIRST package (which also gives you a discounted price) so you can try these out!  This is for established or new patients to our practice.  Please note that Dr Vaughan will need to speak to you on the phone before starting any of the ozone therapies.

Now offering a 5% discount for cash and check payments!!

A Community for Seekers of Optimal Wellness


Welcome to Vaughan Functional Medicine Center or, as we like to think of our practice, a community for seekers of optimal wellness. Located in Jefferson City, MO, we work with patients dealing with a variety of chronic issues to treat the root cause, not just provide relief from the symptoms.

Meet Dr. Carey Vaughan, D.O.

Dr. Carey Vaughan is Board Certified in Family Medicine and Osteopathic Manipulative Therapy. She has completed the courses for the certification program in Functional Medicine through the Institute of Functional Medicine and has completed a mini fellowship in Integrative Medicine through the University of Arizona Center for Integrative Medicine. Additionally, she has been practicing Craniosacral and Myofascial Release Therapy for over 30 years. Her education before attending medical school includes degrees in psychology and chemistry, practice as a biofeedback therapist, and years of study and practice of alternative healing therapies, including clinical kinesiology, aromatherapy, homeopathy, flower essences, various energy healing modalities, and nutritional therapies. 

Dr. Vaughan’s Goal

Dr. Vaughan’s goal is to promote Functional Medicine as a model for a sustainable and affordable alternative to the current “pill for an ill” disease-care model of conventional medicine, which is extremely limited in its capacity to bring about true healing and optimal wellness. Her passion as a Functional Medicine practitioner is to assist patients in actualizing their highest wellness potential, using this systems biology approach, and having access to multiple modalities of healing treatments and lifestyle medicine.

Types of Treatment Available

We specialize in the following areas, backed with extensive research and facts, to develop the best care plan for you: 

  • Functional & Precision Medicine
  • Osteopathic Manipulative Therapy (OMT)
  • Nutritional Services
  • IV Nutrient Therapy
  • Ozone Therapy
  • Orthomolecular Medicine 
  • Celluma LED Light Therapy
  • Pulse Electro-Magnetic Field Therapy (PEMF)
  • Bio-Mat Infrared Therapy

Dr. Vaughan works closely with you to peel back the layers and find out what’s going on, then develop a care plan that incorporates various treatments to appropriately address your specific needs. We no longer offer primary care services and our focus is on getting people well and giving them the tools they need to go forward in health.

Reviews from Our Patients 

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    “My experience with Dr. Carrie Vaughan has been life changing.  I had so many symptoms and my doctors were starting to suggest that I had somatic symptom disorder.  I gave up on doctors.   I am a nurse and for years looked for answers on my own and made some limited progress.  I was beginning to wonder if I would even be able to continue working.   Then, I ran across the term functional medicine and that led me to finding Dr. Vaughan.  At our first meeting,  she spent a lot of time with me going over my symptoms.  Based on this conversation,  she ordered testing and from the results was able to come up with a plan designed specifically for me.  I literally feel like a new person.  I wish every doctor practiced medicine the way that Dr. Vaughan does.  She will help you heal.” – Anita C. 

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    “Dr. Vaughan has done an excellent job of assisting me on a better path for my supplements. She has also helped me tremendously as an Osteopathic Manipulative Therapy practitioner when it comes to helping treat my back, I’ve had a scoliosis (curvature of the spine) since my teenage years.  Dr. Vaughan is a trusted physician who truly cares for the well-being of her patients and community.” – Alyce C. 

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    “After years and years of Multiple Sclerosis flare ups, declining health, pregnancy losses and excessive weight gain, I came to see Dr. Vaughn. She ordered extensive blood work and was determined to get to the root cause of my issues. With supplements, diet changes that serve my body, and the right medication for my MS, I have now been in remission with my MS for almost 3 years, lost the excessive weight caused by inflammation, and had a successful and healthy pregnancy. I have yet to have a doctor or specialist who sits down with you and tries to put the puzzle of our health together like Dr. Vaughn does. She doesn't want a quick fix or a band aid, her goal for her patients is optimal health.” – Justina L. 

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    “Dr Vaughan has helped me for years with chronic pain and nerve damage issues that stemmed from a car accident. I love her wholistic approach to treatment, mind, body and soul. She is willing to search for answers when they are not normal or standard issues. I’ve personally witnessed her ability to find root causes and provide natural options for improved health and well being. I highly recommend her!” – Deeann Y. 

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  • Slide title

    “My experience with Dr. Carrie Vaughan has been life changing.  I had so many symptoms and my doctors were starting to suggest that I had somatic symptom disorder.  I gave up on doctors.   I am a nurse and for years looked for answers on my own and made some limited progress.  I was beginning to wonder if I would even be able to continue working.   Then, I ran across the term functional medicine and that led me to finding Dr. Vaughan.  At our first meeting,  she spent a lot of time with me going over my symptoms.  Based on this conversation,  she ordered testing and from the results was able to come up with a plan designed specifically for me.  I literally feel like a new person.  I wish every doctor practiced medicine the way that Dr. Vaughan does.  She will help you heal.” – Anita C. 

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  • Slide title

    “Dr. Vaughan has done an excellent job of assisting me on a better path for my supplements. She has also helped me tremendously as an Osteopathic Manipulative Therapy practitioner when it comes to helping treat my back, I’ve had a scoliosis (curvature of the spine) since my teenage years.  Dr. Vaughan is a trusted physician who truly cares for the well-being of her patients and community.” – Alyce C. 

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    “After years and years of Multiple Sclerosis flare ups, declining health, pregnancy losses and excessive weight gain, I came to see Dr. Vaughn. She ordered extensive blood work and was determined to get to the root cause of my issues. With supplements, diet changes that serve my body, and the right medication for my MS, I have now been in remission with my MS for almost 3 years, lost the excessive weight caused by inflammation, and had a successful and healthy pregnancy. I have yet to have a doctor or specialist who sits down with you and tries to put the puzzle of our health together like Dr. Vaughn does. She doesn't want a quick fix or a band aid, her goal for her patients is optimal health.” – Justina L. 

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  • Slide title

    “Dr Vaughan has helped me for years with chronic pain and nerve damage issues that stemmed from a car accident. I love her wholistic approach to treatment, mind, body and soul. She is willing to search for answers when they are not normal or standard issues. I’ve personally witnessed her ability to find root causes and provide natural options for improved health and well being. I highly recommend her!” – Deeann Y. 

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Call us today at 573-636-3995 to schedule a free new patient consultation over the phone. 

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