Trinity Advanced Health is a spinal decompression in Glendale, AZ. with 50 verified patient outcomes covering Neuropathy, Back pain, Musculoskeletal pain. 3 licensed providers on staff. 63% average pain reduction across documented cases. Phone: (602) 603-5444.
Glendale, AZ· Last updated 13 days ago
Dr. David Iszler is a licensed Doctor of Chiropractic in Glendale, AZ, focusing on Chiropractic, Spinal Decompression, SoftWave Therapy, and Laser Therapy. Your Path to Lasting Relief At Trinity Advanced Health, we take a comprehensive and evidence-based approach to restoring your spine, mobility, and overall well-being.
Doctor of Chiropractic
Dr. David Iszler is the Lead Physician at Trinity Advanced Health and a Board-Certified Chiropractic Physician providing neuropathy and advanced spinal care. Known for his compassionate approach and commitment to clinical excellence, Dr. Iszler has become one of the most trusted chiropractic physicians in Arizona’s West Valley.
Background & Education: Raised on a farm in North Dakota, Dr. Iszler developed a strong work ethic and sense of service that continue to guide his practice today. He served in the Army National Guard for six years before pursuing his career in chiropractic.
He attended Palmer College of Chiropractic in Davenport, Iowa, where he graduated Summa Cum Laude in 1994. He later obtained his Board Certification in Neuropathy (BCN) through the American College of Physical Medicine, focusing on the diagnosis and treatment of peripheral neuropathy and other nerve disorders.
Professional Experience: Dr. Iszler practiced in Casper, Wyoming for 24 years, where he built a thriving wellness-based practice serving families and individuals of all ages. In 2018, he and his wife, Sheryl, fulfilled their dream of relocating to Arizona, where he now leads Trinity Advanced Health in Glendale.
Under his leadership, Trinity Advanced Health (formerly Trinity Chiropractic) has expanded its services to integrate corrective chiropractic care, neuropathy protocols, and advanced regenerative therapies—bringing world-class non-surgical solutions to the West Valley.
Certifications, Techniques & Therapies: Dr. Iszler is certified in both the Webster Technique, which focuses on prenatal care, and Torque Release Technique, a gentle, neurologically based method of spinal correction.
His clinical expertise includes advanced therapeutic modalities such as: Spinal Decompression Therapy Class IV Deep Tissue Laser Therapy SoftWave Tissue Regeneration Therapy Spinal and Postural Rehabilitation These cutting-edge therapies are designed to help patients heal, restore function, and regain a higher quality of life without unnecessary drugs or surgery.
Professional Affiliations: Dr. Iszler is a proud member of the International Chiropractors Association (ICA) and the International Chiropractic Pediatric Association (ICPA). He is passionate about continued education, staying at the forefront of neurological and musculoskeletal healthcare advancements.
Community Recognition & Awards
Dr. Iszler’s dedication to patient care and community health has earned him widespread recognition across the West Valley, including:
🏆 Glendale Star “Best Chiropractor” (2021–2025) 🏆 West Valley Favorites “Best Chiropractor” (2022–2024) 🏆 Best of the Desert – West Valley “Best Chiropractor” Community Choice Award (2023–2024) 🏅 Additional community and patient-choice honors recognizing excellence in service and patient outcomes. These awards reflect the trust, respect, and gratitude of the community he serves.
Philosophy & Personal Life: Dr. Iszler believes the body has an incredible innate ability to heal when the nervous system functions without interference. His mission is to help patients tap into that potential through personalized, corrective, and compassionate care.
Outside the clinic, Dr. Iszler and his wife, Sheryl, enjoy exploring Arizona’s outdoors, hiking, biking, fishing, and embracing a healthy, active lifestyle rooted in faith, family, and community.
Your Path to Lasting Relief At Trinity Advanced Health, we take a comprehensive and evidence-based approach to restoring your spine, mobility, and overall well-being. Our team combines advanced chiropractic techniques with state-of-the-art therapeutic technologies to create a treatment experience that is both gentle and highly effective. Every patient begins with a detailed neurological and structural assessment that allows us to pinpoint the root cause of discomfort, not just the symptoms. We then customize a care plan that may include chiropractic adjustments, spinal decompression, SoftWave Tissue Regeneration Therapy, laser therapy, corrective exercises, and targeted rehabilitation. This integrated approach is designed to improve alignment, reduce inflammation, restore nerve function, and support long-term healing—without relying on medications or invasive procedures. Whether you’re recovering from chronic pain, an old injury, or simply seeking better mobility, we help your body heal naturally so you can move with confidence and live a healthier, more active life.
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50+ documented outcomes
Best of Glendale
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Exceptional track record
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Results Assurance™ provides a platform-issued care credit and is not a cash refund or guarantee of clinical outcomes. Credits may be applied toward care with another verified provider after reasonable compliance and completion of the provider-defined care milestone. Limit one credit per patient. Issued at ChiropracticResults' discretion. See full terms.
Trinity Advanced Health
Achievements
Doctor of Chiropractic
Dr. David Iszler is the Lead Physician at Trinity Advanced Health and a Board-Certified Chiropractic Physician providing neuropathy and advanced spinal care. Known for his compassionate approach and commitment to clinical excellence, Dr. Iszler has become one of the most trusted chiropractic physicians in Arizona’s West Valley.
Background & Education: Raised on a farm in North Dakota, Dr. Iszler developed a strong work ethic and sense of service that continue to guide his practice today. He served in the Army National Guard for six years before pursuing his career in chiropractic.
He attended Palmer College of Chiropractic in Davenport, Iowa, where he graduated Summa Cum Laude in 1994. He later obtained his Board Certification in Neuropathy (BCN) through the American College of Physical Medicine, focusing on the diagnosis and treatment of peripheral neuropathy and other nerve disorders.
Professional Experience: Dr. Iszler practiced in Casper, Wyoming for 24 years, where he built a thriving wellness-based practice serving families and individuals of all ages. In 2018, he and his wife, Sheryl, fulfilled their dream of relocating to Arizona, where he now leads Trinity Advanced Health in Glendale.
Under his leadership, Trinity Advanced Health (formerly Trinity Chiropractic) has expanded its services to integrate corrective chiropractic care, neuropathy protocols, and advanced regenerative therapies—bringing world-class non-surgical solutions to the West Valley.
Certifications, Techniques & Therapies: Dr. Iszler is certified in both the Webster Technique, which focuses on prenatal care, and Torque Release Technique, a gentle, neurologically based method of spinal correction.
His clinical expertise includes advanced therapeutic modalities such as: Spinal Decompression Therapy Class IV Deep Tissue Laser Therapy SoftWave Tissue Regeneration Therapy Spinal and Postural Rehabilitation These cutting-edge therapies are designed to help patients heal, restore function, and regain a higher quality of life without unnecessary drugs or surgery.
Professional Affiliations: Dr. Iszler is a proud member of the International Chiropractors Association (ICA) and the International Chiropractic Pediatric Association (ICPA). He is passionate about continued education, staying at the forefront of neurological and musculoskeletal healthcare advancements.
Community Recognition & Awards
Dr. Iszler’s dedication to patient care and community health has earned him widespread recognition across the West Valley, including:
🏆 Glendale Star “Best Chiropractor” (2021–2025) 🏆 West Valley Favorites “Best Chiropractor” (2022–2024) 🏆 Best of the Desert – West Valley “Best Chiropractor” Community Choice Award (2023–2024) 🏅 Additional community and patient-choice honors recognizing excellence in service and patient outcomes. These awards reflect the trust, respect, and gratitude of the community he serves.
Philosophy & Personal Life: Dr. Iszler believes the body has an incredible innate ability to heal when the nervous system functions without interference. His mission is to help patients tap into that potential through personalized, corrective, and compassionate care.
Outside the clinic, Dr. Iszler and his wife, Sheryl, enjoy exploring Arizona’s outdoors, hiking, biking, fishing, and embracing a healthy, active lifestyle rooted in faith, family, and community.
Specialties:
Certifications:
Certified Neuropathy Case Manager
Sheryl Iszler, Dr. Iszler’s wife, grew up in Casper, Wyoming. She graduated with a Master’s degree in Social Work from the University of Wyoming. She worked as a School Social Worker for 8 years. She and Dr. Iszler started a weight loss clinic at their chiropractic practice in Casper. Sheryl developed and managed the center for 8 years. She has a passion for helping others and developing strong patient and community relationships. She feels blessed to have the opportunity to live in Arizona.
Certified Neuropathy Case Manager
I’m Taylor, a passionate certified neuropathy case manager based in beautiful Arizona. Originally hailing from Wyoming, I made the permanent move to the sunny Southwest in 2021, embracing the warmth and vibrant community. In both my professional and personal life, I find joy in making a positive impact. As a proud wife married since 2019, I share my home with my wonderful husband, Craig, and our beloved Shar-Pei Pit mix, Pluto. Together, we create a loving haven filled with laughter and furry companionship. What fuels my professional journey is the genuine desire to assist people in reclaiming their quality of life. My goal is to make a positive difference in the lives of those I encounter.
What patients are saying about their care
"The patient reported steady improvement during treatment. They specifically stated that laser therapy and adjustments had helped reduce their pain level."
"The patient reported initially being unable to bend over. Following care, they reported being able to move freely."
"The patient received treatment specifically for neuropathy. They reported that the neuropathy treatment was working."
Real results from real patients
Showing 50 of 50 outcomes
During ongoing care
During care
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After 3 SoftWave therapy sessions
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During SoftWave therapy
During the neuropathy program
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Ongoing care
31 conditions with verified treatment outcomes
25 more conditions treated
Real patient stories and treatment outcomes
Articles and expertise from Trinity Advanced Health
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
Top conditions by verified outcome count
Patient improvement percentage by condition
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
63%
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 50 verified outcome submissions between Sep 2026 – Oct 2026
"The patient reported steady improvement during treatment. They specifically stated that laser therapy and adjustments had helped reduce their pain level."
– Verified Patient, October 2026
"The patient reported initially being unable to bend over. Following care, they reported being able to move freely."
– Verified Patient, October 2026
"The patient received treatment specifically for neuropathy. They reported that the neuropathy treatment was working."
– Verified Patient, October 2026
"The patient received treatment for neuropathy and reported that their symptoms appeared to be getting better."
– Verified Patient, October 2026
"The patient sought care for sciatica and neuropathy. During treatment, they reported that their pain had been alleviated."
– Verified Patient, October 2026
"The patient received chiropractic treatment for neck symptoms. They reported that their neck felt significantly better following care."
– Verified Patient, October 2026
"The patient received chiropractic treatment for back symptoms. They reported that their back felt significantly better following care."
– Verified Patient, October 2026
"The patient sought treatment for lower back and neck pain. Following treatment, they reported that their pain was approximately 90% better."
– Verified Patient, October 2026
"The patient completed a 28-week treatment program for documented hip and lower back alignment abnormalities. They reported that their hips went from 2.2 degrees off to completely reset, while their measured lower back spinal curvature changed from 38 degrees to 45.5 degrees."
– Verified Patient, October 2026
"The patient sought care for excruciating shoulder pain that affected shoulder movement. Following treatment, they reported being able to move and rotate the shoulder again."
– Verified Patient, October 2026
"The patient received SoftWave therapy following a meniscus tear in the knee. After only three treatment sessions, they reported promising results."
– Verified Patient, October 2026
"The patient received routine chiropractic adjustments during pregnancy for back pain and mobility concerns. They reported that the adjustments made a noticeable difference in both their mobility and back pain."
– Verified Patient, October 2026
"The patient reported years of back problems that made standing for extended periods difficult. During care, they reported being much better, while noting that their recovery was still a work in progress."
– Verified Patient, October 2026
"The patient reported experiencing functional limitations before receiving decompression therapy. They stated that decompression treatment significantly helped and allowed them to function again."
– Verified Patient, October 2026
"The patient reported experiencing a pinching sensation in the shoulder before receiving care. Following treatment, they reported that the shoulder pinch was completely gone."
– Verified Patient, October 2026
"The patient reported experiencing headaches before care. Following treatment, they stated that many of their headaches were gone."
– Verified Patient, October 2026
"The patient reported receiving care for back issues. Following treatment, they stated that many of their back problems were gone."
– Verified Patient, October 2026
"The patient sought SoftWave therapy for knee pain and was concerned that surgery might prevent them from continuing to ride horses. They reported decreased pain and improved knee mobility, allowing them to continue horseback riding."
– Verified Patient, October 2026
"The patient reported suffering from lumbar stenosis for more than three years. After six weeks of treatment, they reported that their symptoms had decreased by approximately 50%."
– Verified Patient, October 2026
"The patient participated in a neuropathy treatment program. They reported having huge success with the program and described the team as invested in their progress."
– Verified Patient, October 2026
"The patient sought care for neuropathy that had progressed to the point that they could barely stand for more than a few minutes. The visible portion of the review is truncated before a treatment outcome is documented."
– Verified Patient, October 2026
"The patient reported receiving decompression therapy for their back. They stated that the treatment significantly helped their back symptoms."
– Verified Patient, October 2026
"The patient initially sought chiropractic care for hip problems. During evaluation, additional spinal issues were identified, and the patient reported that treatment was able to correct those issues before they progressed further."
– Verified Patient, September 2026
"The patient sought care for neck pain associated with restricted movement and disrupted sleep. After one visit, they reported that their neck was moving much better and they were able to sleep longer with less pain."
– Verified Patient, September 2026
"The patient received chiropractic treatment for pain. Following the visit, they reported going home pain free."
– Verified Patient, September 2026
"The patient had attributed ongoing back pain to aging and physically demanding activities, including mechanical work, transportation, and coaching. Before treatment, getting up in the morning was particularly painful. Following chiropractic care, they reported being able to get up in the morning pain free again."
– Verified Patient, September 2026
"The patient received care for recurring headaches. Following treatment, they reported that their headaches were gone."
– Verified Patient, September 2026
"The patient sought care for multiple back-related problems. Following treatment, they reported that many of their back issues were gone."
– Verified Patient, September 2026
"The patient sought SoftWave therapy for knee pain and limited mobility, fearing that surgery might be necessary and that they would no longer be able to ride horses. Following treatment, they reported decreased pain and improved mobility, allowing them to continue horseback riding."
– Verified Patient, September 2026
"The patient sought chiropractic care for chronic, recurring low back pain after trying care from a family doctor, physical therapy, and home exercises. Despite those previous approaches, the pain continued to return. The available review is truncated before a specific chiropractic treatment outcome is provided."
– Verified Patient, September 2026
"The patient had experienced symptoms associated with lumbar spinal stenosis for more than three years. After undergoing six weeks of chiropractic treatment, they reported that their symptoms had decreased by approximately 50%."
– Verified Patient, September 2026
"The patient received care to address pain and physical dysfunction. They reported that treatment helped decrease their pain while helping them get their body back into better physical condition."
– Verified Patient, September 2026
"The patient participated in a treatment program for neuropathy. During care, they reported having significant success and described the team as being invested in their continued progress."
– Verified Patient, September 2026
"The patient sought care for neuropathy that had progressed to the point where they could barely stand for more than a few minutes at a time. The available review is truncated before a specific post-treatment outcome is provided."
– Verified Patient, September 2026
"The patient reported developing severe neuropathy in the hands and feet following chemotherapy, with mobility impairment significant enough that they believed they might always require a walker or wheelchair. During subsequent care, they reported beginning to notice meaningful changes in how their body felt. The available review is truncated before providing the full extent of the functional improvement."
– Verified Patient, September 2026
"The patient has received chiropractic adjustments for several years to address recurring pain. They reported consistently experiencing pain relief from treatment and continued care because of the results."
– Verified Patient, September 2026
"The patient experienced neck pain that made turning their head from side to side extremely painful. Following care, they reported that their neck was much better and they could turn their head in both directions without the previous extreme pain."
– Verified Patient, September 2026
"The patient began care for sciatica and received treatment that included spinal decompression. After a couple of months, they reported markedly improved sciatica, significantly less pain, and better sleep. They also reported improvements in mobility, strength, and endurance."
– Verified Patient, September 2026
"The patient sought chiropractic care for ongoing back issues after having previously received treatment from other chiropractors. They reported that the treatment approach helped their back problems tremendously."
– Verified Patient, September 2026
"The patient sought care with severe low back pain that was interfering with normal daily activities. After several adjustments and approximately one week of treatment, they reported that care was helping them return to their daily routines."
– Verified Patient, September 2026
"The patient began treatment with pain rated at 8/10. After only a couple of treatments, they reported that their pain had decreased to 4/10, representing a 50% reduction."
– Verified Patient, September 2026
"The patient received chiropractic care for back problems and reported making significant progress with treatment. They specifically recommended the care to others experiencing back problems and emphasized that ongoing pain does not have to be accepted as normal."
– Verified Patient, September 2026
"The patient received spinal decompression therapy for neck pain. They reported that the decompression treatment significantly helped reduce their neck pain."
– Verified Patient, September 2026
"The patient sought care for a shoulder problem that had persisted for several years. Following treatment, they reported that their shoulder was markedly better and continued to improve."
– Verified Patient, September 2026
"The patient received chiropractic care that included spinal decompression for spinal and/or neck symptoms. They reported that decompression reduced their pain and discomfort while improving flexibility and allowing greater ease of movement."
– Verified Patient, September 2026
"The patient received chiropractic care for physical symptoms that had interfered with exercise. Following treatment, they reported being able to return to physical exercise and also noted improved sleep after an adjustment."
– Verified Patient, September 2026
"The patient sought care for back pain and received spinal decompression therapy. They reported that the decompression treatment was very helpful and improved their back symptoms."
– Verified Patient, September 2026
"The patient sought SoftWave therapy for chronic shoulder pain. After two treatment sessions, they reported that the shoulder pain was gone."
– Verified Patient, September 2026
"The patient received chiropractic adjustments and decompression therapy for back and foot problems. After two months of treatment, they reported feeling significantly better, with much lower pain levels and meaningful improvement in range of motion."
– Verified Patient, September 2026
"The patient sought chiropractic care for neck and spinal concerns. During treatment, they reported that the chiropractic services were helping them make progress toward healing their neck and spine."
– Verified Patient, September 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.
Anonymous • Oct 2, 2026
My pain is a 9.5 … More
Anonymous • Oct 2, 2026
Don't have to wait for our treatment and has made me feel better for helping me getting out of chairs ( sand traps)
Anonymous • Oct 2, 2026
You are the best 👌
Anonymous • Oct 2, 2026
4/18/2025 My response to their Comment … More
Jeffrey Davis • Sep 2, 2026
I'm 45 and started seeing Dr. Iszler because I've become much more aware of what years of embarrasing posture will lead to. I spend most days sitting at my desk and so rather then waiting until it gets bad I'm hunched over with horrible … More
Showing 5 of 140 reviews
Trinity Advanced Health has a 5.0-star rating based on 140 patient reviews. Patients have reported 50 verified outcomes with documented improvements.
Yes, Trinity Advanced Health is open today. Today's hours are 9:00 AM – 1:00 PM and 2:30 PM – 7:00 PM. Call (602) 603-5444 to schedule an appointment.
Trinity Advanced Health is located in Glendale, AZ. You can find directions and the full address in the contact section above.
Dr. David Iszler specializes in Spinal Decompression, SoftWave Therapy, Laser Therapy and 4 more areas. View the full list of conditions treated in the outcomes section.
You can schedule an appointment by calling (602) 603-5444 or visiting their website. Most clinics accept walk-ins, but calling ahead is recommended.
Yes. Dr. David Iszler has documented verified outcomes for pain patients. Review the outcomes section above for detailed improvement data and patient stories.
Dr. David Iszler utilizes Torque Release Technique and Arthrostim Adjusting among other techniques. Contact the clinic to discuss which approach is best for your needs.
