Lower Cost of Care
Robotic Assisted Surgical Expertise
Higher Quality of Care
A New Standard in Ambulatory Surgical Care
The ONYX Ambulatory Surgery Center (ASC) offers patients a smarter, safer, and more affordable alternative to hospital-based spine and orthopedic procedures. Located in St. Louis, Missouri, ONYX ASC provides same-day spine and orthopedic surgery with reduced facility fees, minimal disruption to recovery, and a specialized focus on workers' compensation cases.
Whether you're searching for an ambulatory surgery center near me or a cost-effective spine or orthopedic surgery option, ONYX is setting the standard for outpatient care in St. Louis, Jefferson City, Cape Girardeau, St. Robert, and beyond.
Cost-Effective, High-Quality Surgical Care
Our ambulatory surgery center was built to simplify the surgical process for patients and referring providers alike. From fast-track referrals to expert-led recovery, ONYX ASC is designed to reduce delays, lower costs, and deliver exceptional outcomes.
Patients benefit from efficient care and clear communication at every step, all in a modern, focused setting with transparent pricing.
Streamlined Referrals
Exceptional Outcomes
Simplified Process from Surgery to Recovery
Robotic-Assisted Spine Surgery
ONYX ASC is one of only a few ambulatory surgery centers in the country equipped with Globus ExcelsiusGPS®, one of the most advanced robotic navigation technology platforms for spine procedures.
This cutting-edge system enhances surgical precision through a minimally invasive technique while reducing:
- Soft tissue dissection
- Blood loss
- Operative time
- Post-operative pain
As a robotic spine surgery center in St. Louis, ONYX helps patients get back on their feet faster and with greater confidence.
If you’re a patient navigating the workers’ compensation system or a case manager seeking a dedicated outpatient orthopedic doctor, ONYX offers clear communication, fast evaluations, and coordinated care from start to finish.
Innovative Transitional Care Model
Through our unique partnership with Friendship Village, ONYX ASC offers patients a seamless post-surgical recovery plan that bridges the gap between surgery and full rehabilitation. This model reduces the need for hospital stays and supports better recovery outcomes through:
- Immediate access to transitional care
- Higher patient satisfaction
- Improved return-to-function timelines
- 24-hour concierge physician oversight
Whether you’re undergoing joint repair or spinal surgery, our care model supports healing from start to finish.
DISCOVER HOW LUXURY MEETS RECOVERWhat We Treat
Select a service area below to learn more about conditions, procedures, and treatments available for each joint or body region:
From neck and lower back pain and herniated discs to spinal stenosis and fusion surgery, our spine team uses advanced diagnostics and personalized treatment plans, including robotic-assisted procedures, to restore mobility and relieve pain.
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Whether you need injections or arthroscopy, ONYX offers accurate diagnosis and advanced treatment to reduce hip pain and improve quality of life.
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Our team treats everything from ankle sprains to fractures and torn ligaments. With early intervention and skilled surgical options, we help stabilize injuries and promote proper healing.
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We provide treatment for ACL tears, meniscus damage, arthritis, and other knee-related injuries using both conservative therapies and surgical reconstruction techniques. We tailor care based on your activity level and goals.
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We treat elbow pain and injuries caused by trauma, repetitive motion, or joint conditions. From therapy and injections to surgical repair, our team provides accurate diagnosis and effective treatment to restore function and reduce pain.
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We treat common and complex shoulder injuries with an emphasis on conservative care when possible, and advanced surgical repair when needed. From rotator cuff injuries to total shoulder replacement, we help patients regain strength and function.
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Led by Surgeons, Built for Exceptional Outcomes
Our ASC is owned by spine and orthopedic surgeons, not a corporate health system, ASC management company, or private equity group. This ensures every clinical decision is made by providers who understand your condition, your goals, and your recovery timeline.
With a focus on minimally invasive surgical techniques, our ASC is designed to reduce downtime and promote full return to work, sport, or life activities.
Serving Patients Across Missouri
If you're looking for:
An Ambulatory Surgery Center
Outpatient Orthopedic Surgery
A Robotic Spine Surgery Center
A Workers' Compensation Specialist
What Our Patients Have To Say
At Onyx Spine & Orthopedic Institute, every patient’s experience matters. From expert care to compassionate support, hear how our team has helped individuals and families feel seen, heard, and truly cared for.
ONYX ASC Brings World-Class Surgical Care Close to Home!
Contact Us
Onyx is accepting new referrals. Please fill out the form below or call us with your referral information. Patient inquiries can be directed to us by phone.
Fax: (314) 266-2069