Performance Chiropractic Clinic is a pediatric care in Keller, TX. with 28 verified patient outcomes covering Back pain, Sciatica, Bronchial spasms. 1 licensed provider on staff. 65% average pain reduction across documented cases. Phone: (817) 337-3636.
Keller, TX 76248· Last updated today
Dr. Dennis James, FASA is a licensed Doctor of Chiropractic in Keller, TX, specializing in Pediatric Care, Wellness Care, Spinal Decompression. Regain your Life.
Doctor of Chiropractic
Dr. James is a nationally recognized, multi-year award winner as a “Top 25 Outstanding Doctor of America” Pinnacle Award for Excellence in Care. Dr. James is a 4th generation Chiropractor with over 2 decades of experience serving Keller and the surrounding Dallas / Fort Worth area. Dr. James is married to Lacy James, a 2nd generation chiropractor, and they have 2 teenage sons who love Jesus, sports, and life.
Dr. James’s approach focuses on gentle, results-driven care by combining the latest innovative Chiropractic techniques, with the most modern application and principles of Acupuncture and advanced technology.
The dedication of Dr. James and his commitment to excellence drives him to “maximize your performance through every phase of life,” to help you REGAIN YOUR QUALITY OF LIFE naturally. This commitment to excellence and healing has led him to be the first in his family of Chiropractors to implement both needle-less Acupuncture & Functional Medicine to allow for a whole person approach and attain the greatest results possible.
Regain your Life. Live your Purpose. Whether you need help getting out of pain, restoring function, overcoming a difficult and chronic condition, or just being able to PERFORM your daily activities as best as you can for as long you can, then we can help! At Performance Chiropractic, we believe your life matters. We believe healing comes from a balanced nervous system, an optimized internal environment, and a body and mind functioning from ease and strength. Now is your time and YOU deserve EXCELLENCE. Having been voted a multi-year award winner for “Top 25 Outstanding Doctors of America” Pinnacle Award for Excellence in Care, a 4th generation Chiropractor, and over 2 decades of experience, we are confident in saying, “you haven’t tried everything unless you’ve tried us!” We look forward to meeting you and discussing the opportunity to enhance your quality of life!
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28+ documented outcomes
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Performance Chiropractic Clinic
Achievements
Doctor of Chiropractic
Dr. James is a nationally recognized, multi-year award winner as a “Top 25 Outstanding Doctor of America” Pinnacle Award for Excellence in Care. Dr. James is a 4th generation Chiropractor with over 2 decades of experience serving Keller and the surrounding Dallas / Fort Worth area. Dr. James is married to Lacy James, a 2nd generation chiropractor, and they have 2 teenage sons who love Jesus, sports, and life.
Dr. James’s approach focuses on gentle, results-driven care by combining the latest innovative Chiropractic techniques, with the most modern application and principles of Acupuncture and advanced technology.
The dedication of Dr. James and his commitment to excellence drives him to “maximize your performance through every phase of life,” to help you REGAIN YOUR QUALITY OF LIFE naturally. This commitment to excellence and healing has led him to be the first in his family of Chiropractors to implement both needle-less Acupuncture & Functional Medicine to allow for a whole person approach and attain the greatest results possible.
Specialties:
Certifications:
What patients are saying about their care
"The patient entered care while experiencing a substantial amount of pain. Following treatment, the patient reported feeling great, representing a marked improvement from the initial condition."
"The patient's sciatica caused severe functional limitations, including reliance on a walker and inability to stand or walk for more than 5 minutes without pain. Chiropractic treatment produced substantial improvement in mobility and quality of life."
"Back pain had become severe enough to interfere with both standing and walking. Following a single treatment, the patient reported walking out feeling 95% better."
These are general guidelines. Always consult a qualified healthcare provider to determine if chiropractic care is appropriate for your specific situation.
Real results from real patients
Showing 28 of 28 outcomes
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21 conditions with verified treatment outcomes
Real patient stories and treatment outcomes
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Data-driven insights from patient outcomes
Top conditions by verified outcome count
Patient improvement percentage by condition
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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
65%
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 28 verified outcome submissions between Aug 2026 – Aug 2026
"The patient entered care while experiencing a substantial amount of pain. Following treatment, the patient reported feeling great, representing a marked improvement from the initial condition."
– Verified Patient, August 2026
"The patient's sciatica caused severe functional limitations, including reliance on a walker and inability to stand or walk for more than 5 minutes without pain. Chiropractic treatment produced substantial improvement in mobility and quality of life."
– Verified Patient, August 2026
"Back pain had become severe enough to interfere with both standing and walking. Following a single treatment, the patient reported walking out feeling 95% better."
– Verified Patient, August 2026
"The patient presented with musculoskeletal pain that was localized before treatment. Following the adjustment, the patient reported having no pain at all and also described feeling deeply relaxed."
– Verified Patient, August 2026
"The patient reported that family members had repeatedly received treatment for pain and sports-related injuries. Chiropractic care was described as helping them recover from these episodes on multiple occasions."
– Verified Patient, August 2026
"The patient experienced several types of pain that were identified as being related to the spine. Chiropractic treatment was reported to successfully help these spinal-related pain complaints."
– Verified Patient, August 2026
"Severe sciatica had progressed to the point that the patient required a walker and could not stand or walk for more than 5 minutes without pain. Following chiropractic treatment, substantial functional improvement was reported and the patient described regaining quality of life."
– Verified Patient, August 2026
"The patient sought chiropractic treatment for sciatic pain. Following care, the patient reported feeling substantially better and specifically attributed the improvement to treatment."
– Verified Patient, August 2026
"The patient received treatment specifically addressing leaky gut. Within two treatments, multiple benefits were reported and the patient expressed increased optimism about recovery."
– Verified Patient, August 2026
"The patient sought care specifically for candida and began a treatment approach directed at the condition. After only two treatments, the patient reported experiencing many benefits and renewed hope for feeling well again."
– Verified Patient, August 2026
"The patient was evaluated for a specific problem and began treatment after the issue was identified. Over a few visits, substantial improvement was reported, and subsequent maintenance visits continued to produce noticeable alignment improvement."
– Verified Patient, August 2026
"Years of football-related physical stress were associated with persistent shoulder pain and other musculoskeletal symptoms. Following more than a year of chiropractic care, the patient reported substantial overall improvement."
– Verified Patient, August 2026
"The patient sought chiropractic care after years of football-related physical wear and ongoing neck pain. After more than a year of care, substantial improvement was reported, with the patient described as feeling better than in over 20 years."
– Verified Patient, August 2026
"The patient sought chiropractic care after trying numerous approaches for persistent back pain. Within two visits, the patient reported being highly impressed with the results."
– Verified Patient, August 2026
"The patient arrived with back pain severe enough that standing and walking were very difficult without pain. After treatment, the patient walked out reporting feeling 95% better."
– Verified Patient, August 2026
"The patient was experiencing bronchial spasms and breathing difficulty during an illness. The spasms stopped within minutes of treatment, and breathing was reported to be improved by the following morning."
– Verified Patient, August 2026
"The patient sought care while ill shortly before a scheduled vocal performance and was experiencing bronchial spasms. Within minutes of treatment, the spasms reportedly stopped, followed by additional breathing improvement by the next morning."
– Verified Patient, August 2026
"The patient presented on one occasion with severe neck pain. Following chiropractic care, an immediate improvement in the condition was reported."
– Verified Patient, August 2026
"The patient presented on one occasion with severe back pain. Chiropractic treatment immediately made a noticeable difference in the symptoms."
– Verified Patient, August 2026
"The patient received chiropractic treatment when back problems interfered with normal work function. Care was reported to restore enough function for the patient to get back up to speed for work."
– Verified Patient, August 2026
"The patient sought treatment for sinus headaches among several specific health concerns. Chiropractic care was reported to help the headaches, with the patient consistently feeling better after treatment."
– Verified Patient, August 2026
"The patient identified knee pain as one of the conditions treated through chiropractic care. Treatment was reported to help, with improvement experienced after visits."
– Verified Patient, August 2026
"Shoulder pain was one of the specific problems for which the patient and family sought treatment. The patient reported that care helped with the condition and that visits consistently resulted in improvement."
– Verified Patient, August 2026
"The patient reported receiving care for a sprained ankle. Following treatment, improvement was reported, with the patient describing a consistent pattern of leaving the office feeling better."
– Verified Patient, August 2026
"The patient received chiropractic care for a pinched nerve as one of several specifically identified conditions treated by the clinic. The patient reported consistently leaving the office feeling better than before treatment."
– Verified Patient, August 2026
"The patient requested a same-day appointment because sciatica was causing significant pain. Following an adjustment, the patient experienced enough improvement to leave the office smiling."
– Verified Patient, August 2026
"The patient presented with severe neck pain occurring alongside a migraine. Approximately 20 minutes later, the patient reported leaving without pain."
– Verified Patient, August 2026
"The patient arrived with an active migraine accompanied by severe neck pain. After approximately 20 minutes of care, the migraine was reported to be completely gone."
– Verified Patient, August 2026
4.9 / 5 Patient Satisfaction
Based on verified visit surveys — not open internet reviews.
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Melinda Raynal • Aug 18, 2026
No written review provided.
Thomas Edmondson • Aug 17, 2026
No written review provided.
Edward Claudio • Aug 17, 2026
Walked in with a migraine and really bad neck pain. 20 mins later walked out no pain and migraine gone.
Susan Livingston • Aug 10, 2026
Dr James really cares about his patience and is so positive always listening to any questions I have. The staff is so friendly and they care about each person that walks thru the door.
Jessica McNair • Aug 3, 2026
Our family of 4 has been being Dr. James for a few years now, and he has adjusted our 2 kids from infancy. He is a true master of his craft and has a way of finding exactly where you need an adjustment and getting you taken care of quickly … More
Showing 5 of 90 reviews
Performance Chiropractic Clinic has a 5.0-star rating based on 90 patient reviews. Patients have reported 28 verified outcomes with documented improvements.
Yes, Performance Chiropractic Clinic is open today. Today's hours are 9:30 AM – 12:30 PM and 3:00 PM – 6:00 PM. Call (817) 337-3636 to schedule an appointment.
Performance Chiropractic Clinic is located in Keller, TX. You can find directions and the full address in the contact section above.
Dr. Dennis James, FASA specializes in Pediatric Care, Wellness Care, Spinal Decompression and 14 more areas. View the full list of conditions treated in the outcomes section.
You can schedule an appointment by calling (817) 337-3636 or visiting their website. Most clinics accept walk-ins, but calling ahead is recommended.
Yes. Dr. Dennis James, FASA has documented verified outcomes for back pain patients. Review the outcomes section above for detailed improvement data and patient stories.
Dr. Dennis James, FASA utilizes Zone Healing Technique and Red Light Therapy among other techniques. Contact the clinic to discuss which approach is best for your needs.
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