About
Meet Dr. Samuel Ruiz, DC
A lifelong believer in chiropractic care, Dr. Sam grew up watching how a single adjustment could change the way his family moved, slept, and lived. Today he brings that same conviction to every patient who walks through his door.

17+
Years in practice
10,000+
Adjustments delivered
1:1
Doctor-to-patient care
5★
Across review platforms
A practice built on trust.
Dr. Sam treats both professional athletes and everyday patients with the same careful, focused approach. No insurance billing. No assembly-line care. Just one expert, one room, and the time it takes to get it right.
His Ring Dinger® and Johnson BioPhysics® work has helped thousands of people across Southern California get their lives back from chronic pain.
- Certified Team Ring Dinger® Chiropractor
- Johnson BioPhysics® Technique Specialist
- ICA · CalChiro · PBCS Member
- 17+ years caring for athletes & families
The story
Why Dr. Sam does this work
Dr. Sam was raised in a chiropractic household. Long before he understood the biomechanics behind it, he saw what an adjustment could do — for a sibling stuck in bed with a migraine, for a parent worn down from long working hours, for an athlete on the family who needed to be back on the field by Saturday. The spine, treated well, changed the entire arc of someone's week.
That early, lived experience shaped his approach more than any textbook. By the time he entered chiropractic school, he had already decided what kind of practice he wanted to build: small, focused, one doctor, one room, no insurance middleman dictating session length, no rotating cast of assistants, no rushed fifteen-minute visits. Just real care, delivered the way patients actually deserve.
Training under the Johnson family at the Chiropractic & Spinal Trauma Center in Houston was the inflection point. The Ring Dinger® maneuver and the broader Johnson BioPhysics® system gave him a complete, biomechanically rigorous framework for restoring full-spine function — not just chasing symptoms one segment at a time. He returned to Southern California with a clear mission: bring this caliber of care to people in his own community.
Today, that mission plays out one patient at a time. The athletes who come in before a fight or a meet. The construction workers and warehouse staff who keep the Inland Empire moving. The teachers, nurses, and first responders who spend their days caring for everyone else. The grandparents who simply want to keep up with their grandkids. They all walk into the same clinic, get the same undivided attention, and leave with the same plain-language plan for getting their lives back.
How we practice
Four principles that guide every visit
These are not marketing slogans. They are the operating rules of the practice and the reason patients consistently describe their experience here as different from anywhere else they have been treated.
Find the source, not the symptom
Pain is rarely where the problem started. Every visit begins with a careful evaluation of posture, motion, and load patterns so we treat the actual driver — not just the spot that hurts.
One doctor, one room, full attention
No assistants, no rushed handoffs, no production line. Dr. Sam personally performs every consultation and every adjustment, start to finish.
Conservative first, always
Most spinal pain responds to focused, hands-on care. Surgery and long-term medication should be a last resort — not a first option.
Honest, time-bounded plans
You will know what we are doing, why we are doing it, and how long it should take. If care is not producing results, the plan changes.
Path to practice
From a chiropractic family to a Certified Ring Dinger® clinic
Childhood
A chiropractic family
Dr. Sam grew up watching his parents and siblings transform their health under chiropractic care — building a lifelong conviction in the body's ability to heal when the spine moves the way it should.
Doctor of Chiropractic
Formal training
Earned his Doctor of Chiropractic degree with a focus on full-spine biomechanics, neurology, and rehabilitative care — the foundation for the integrated approach he uses today.
Ring Dinger® Certification
Trained directly under the Johnson family
Completed Ring Dinger® and Johnson BioPhysics® certification at the Chiropractic & Spinal Trauma Center in Houston, Texas — one of a limited number of providers certified directly by Dr. Gregory Johnson.
17+ Years
Building a Southern California practice
Has cared for collegiate athletes, professional fighters, first responders, performers, working families, and retirees across the Inland Empire, Greater Los Angeles, and Orange County.
Today
Ontario, CA flagship clinic
Operates a focused, cash-pay practice at 1155 S. Milliken Ave, Suite J — a modern clinic dedicated entirely to one-on-one chiropractic care without the constraints of insurance billing.
Techniques
Trained in the techniques that actually move the needle
Dr. Sam combines classical chiropractic precision with modern decompression and structural-correction work. Each technique has its place — the right one for your case is matched to your findings, not the other way around.
"I had been to four other chiropractors before I found Dr. Sam. None of them actually fixed the problem. One visit here and I felt like a different person."
— Recurring sentiment from patient reviews
Community
Proudly serving the Inland Empire and beyond
Our Ontario, CA clinic sits at the crossroads of the Inland Empire — minutes from Rancho Cucamonga, Chino, Chino Hills, Upland, Fontana, Pomona, and Eastvale, and within easy reach of Riverside, San Bernardino, Corona, Diamond Bar, and Greater Los Angeles. Patients regularly drive in from across Southern California specifically for Ring Dinger® and Johnson BioPhysics® care.
Dr. Sam is an active member of the International Chiropractors Association, CalChiro, and the Pacific Beach Chiropractic Society, and continues advanced training every year to keep the practice at the leading edge of conservative spine care.
Common questions
What new patients usually want to know
Do you accept insurance?
We are a transparent cash-pay practice. New patient visits are a flat $300 (full exam plus your first adjustment). Follow-ups are $200. We accept cash, debit, credit, and HSA/FSA cards. Patients receive an itemized superbill on request for personal insurance reimbursement.
What should I bring to my first visit?
Wear comfortable clothing you can move in. Bring any recent imaging (X-ray, MRI, CT) on a disc or via patient portal access. Arrive 5–10 minutes early to complete the intake paperwork.
Will the Ring Dinger® hurt?
No. Most patients describe the sensation as a deep, satisfying stretch followed by immediate relief. Dr. Sam screens every patient for contraindications and modifies force and positioning to your tolerance.
How quickly can I be seen?
Same-day and next-day appointments are frequently available. Call (909) 529-1179 to schedule.
Where are you located?
1155 S. Milliken Ave, Suite J, Ontario, CA 91761 — easy access from the 10, 60, 15, and 71 freeways with free on-site parking.
Ready to get out of pain?
Same-day appointments are often available.