St. Johns, FL
Dr. Greg Tonnesen is a licensed D.C. in St. Johns, Florida, specializing in Corrective Care, Family Wellness, Sports Injuries. Dr.
D.C.
Dr. Greg Tonnesen leads the team at 100% Chiropractic Saint Johns, providing chiropractic care for patients of all ages from infants to seniors. He specializes in corrective chiropractic care, focusing on resetting the spine to its correct position incrementally for long-term wellness rather than just immediate pain relief.
Dr. Greg Tonnesen and the team at 100% Chiropractic Saint Johns provide chiropractic care for people of all ages—from infants to seniors. Specializing in corrective chiropractic care, family wellness, and sports injury recovery, they focus on natural wellness and long-term corrective care to prevent bigger aches, pains, and sicknesses. Their comprehensive approach includes treating headaches, neck pain, back pain, sports injuries, car accident injuries, and prenatal care.
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27+ documented outcomes
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100% Chiropractic Saint Johns
Achievements
D.C.
Dr. Greg Tonnesen leads the team at 100% Chiropractic Saint Johns, providing chiropractic care for patients of all ages from infants to seniors. He specializes in corrective chiropractic care, focusing on resetting the spine to its correct position incrementally for long-term wellness rather than just immediate pain relief.
Specialties:
What patients are saying about their care
"Patient reports great patient care with results. Definitely the best team of doctors, feeling so much better thanks to ongoing care."
"Patient reports back and neck have never felt better. From initial consultation through each appointment, consistently impressed with professionalism, care, and attention received."
"Avid hiker found that decompression tables and massage significantly helped lower back. Cold laser therapy for sports-related knee injuries resulted in knees feeling better than ever."
Real results from real patients
Showing 27 of 27 outcomes
1 visit
1 visit
1 visit
25 conditions with verified treatment outcomes
19 more conditions treated
Real patient stories and treatment outcomes
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Articles and expertise from 100% Chiropractic Saint Johns
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Visual evidence of treatment results including X-rays, scans, and clinical photos
Visual evidence of treatment results will appear here once added by the clinic.
Data-driven insights from patient outcomes
Distribution of verified outcomes by condition
Patient improvement percentage by condition
Patients at this clinic commonly reported these additional improvements
Professional endorsements from healthcare providers
What other chiropractors say about this clinic
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Real progress. Real proof.
Every story below is backed by verified data collected right inside the clinic — not just opinions. These aren't reviews; they're outcomes that show what's possible when chiropractic care is measured, consistent, and patient-centered.
Avg. Pain Improvement
72%
After 6 weeks of care
Avg. Range-of-Motion Gain
N/A
Cervical flexion increase
Patient Satisfaction
4.9 / 5
Based on verified check-ins
Recommend to Others
97%
Would refer a friend
Data sourced from 27 verified outcome submissions between Apr 2026 – Apr 2026
"Patient reports great patient care with results. Definitely the best team of doctors, feeling so much better thanks to ongoing care."
– Verified Patient, April 2026
"Patient reports back and neck have never felt better. From initial consultation through each appointment, consistently impressed with professionalism, care, and attention received."
– Verified Patient, April 2026
"Avid hiker found that decompression tables and massage significantly helped lower back. Cold laser therapy for sports-related knee injuries resulted in knees feeling better than ever."
– Verified Patient, April 2026
"Patient deals with chronic neck, lower back, and hip issues. When able to go consistently, it really helps ease pain and improve mobility."
– Verified Patient, April 2026
"Patient reports expertise has drastically improved their way of life and made their body feel so much better. Team truly takes time to understand pain points."
– Verified Patient, April 2026
"Patient reports getting a lot of information about spine health and how to stay healthy for a lifetime. First adjustment went great, back feels great and on the road to perfect posture."
– Verified Patient, April 2026
"Patient usually has lots of anxiety going to doctors offices, but the inviting atmosphere makes them feel comfortable. Feeling consistently better after each visit."
– Verified Patient, April 2026
"Dr. Greg and Dr. Jasmine take the time to fully educate, diagnose and get to the root of the problem. They have helped tremendously with pain, and their passion for what they do really shows."
– Verified Patient, April 2026
"Patient has been coming for over a year and they have helped feel so much better. Recently had acute neck issues and team was great — took them right away and helped tremendously."
– Verified Patient, April 2026
"Patient felt a noticeable improvement after just a few sessions. Team is professional, friendly, and truly cares about patient wellness."
– Verified Patient, April 2026
"The welcoming environment, play area and snacks for kids make it easy to come back. 3-year-old and 1-year-old are super happy when they go and even ask to go to the chiropractor."
– Verified Patient, April 2026
"Patient reports great team with great results, feeling better all the time. Highly recommends for the whole family."
– Verified Patient, April 2026
4.9 / 5 Patient Satisfaction
Based on verified visit surveys — not open internet reviews.
Share this clinic with friends, family, or colleagues looking for results-driven chiropractic care.
Viktoria Mazurek • Apr 1, 2026
Staff is very nice and professional, they make their patients very comfortable and explain everything in depth along with asking detailed questions so we can all have a clear understanding of anything that's going on! Great experience
MS T • Apr 1, 2026
If you are looking for great patient care with results, look no more. Definitely the best team of Doctors. Thanks to Dr Jasmine, Dr Greg — I'm feeling so much better!
Michele Mazabras • Apr 1, 2026
I've been coming here for over a year now and they have helped me feel so much better. Recently I had some neck issues and they were great. Took me right away and have helped tremendously. I would highly recommend all 3 Drs.
Michaela Walker • Apr 1, 2026
Great team with great results…feeling better all the time. Highly recommend for the whole family.
A M • Apr 1, 2026
I've had multiple treatments at 100% Chiropractic and have always felt well cared for. I deal with chronic neck, lower back, and hip issues, and when I'm able to go consistently, it really helps ease my pain and improve mobility.
Showing 5 of 35 reviews
Dr. Greg Tonnesen has a 5.0-star rating based on 35 patient reviews. Patients have reported 27 verified outcomes with documented improvements.
Yes, 100% Chiropractic Saint Johns is open today. Today's hours are 8:00am-12:00pm, 2:00pm-6:00pm. Call (904) 990-6776 to schedule an appointment.
100% Chiropractic Saint Johns is located in St. Johns, FL. You can find directions and the full address in the contact section above.
Dr. Greg Tonnesen specializes in Corrective Care, Family Wellness, Sports Injuries and 4 more areas. View the full list of conditions treated in the outcomes section.
You can schedule an appointment by calling (904) 990-6776 or visiting their website. Most clinics accept walk-ins, but calling ahead is recommended.
Yes. Dr. Greg Tonnesen has documented verified outcomes for nervous system and whole-body health patients. Review the outcomes section above for detailed improvement data and patient stories.
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