Bridging the gap between Medicine & Law
Independent medical exams and expert witness services from an experienced orthopedic surgeon.
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Independent Medical Exams and Expert Witness Services You Can Rely On
Dr. J. Calvin Johnson is a nationally recognized orthopedic surgeon with more than 35 years of experience and over 25,000 surgical procedures performed. Known across Oklahoma for his expertise, integrity, and approachable manner, Dr. Johnson now focuses exclusively on providing independent medical exams (IMEs) and expert witness services for attorneys, insurance professionals, and courts. Since transitioning from surgery to medical-legal work, Dr. Johnson has conducted over 1,000 Independent Medical Exams (IMEs) and contributed expert testimony in numerous court depositions. He specializes in delivering clear, objective, and concise medical assessments that are vital to resolving complex legal cases efficiently.
Independent Medical Exams
Thorough evaluations for work-related injuries, personal injury cases, and insurance disputes. Reports are clear, accurate, and designed to support informed decisions.
Expert Witness Services
Trusted orthopedic expertise for depositions, testimony, and case reviews. Dr. Johnson’s experience provides courts and attorneys with an authoritative perspective rooted in decades of patient care.
Serving Oklahoma and Beyond
Based in Nichols Hills, Oklahoma, Dr. Johnson serves attorneys and insurers throughout Oklahoma and surrounding states. He provides both in-person and secure virtual evaluations for clients in Oklahoma City, Tulsa, and beyond, making his orthopedic expertise accessible without the need for extensive travel. Our network also includes Legal Nurse Consultants who support record review, medical timelines, and standards-of-care context alongside physician evaluations.
The Expertise and Integrity You Need in Medical-Legal Cases
- More than 35 years of orthopedic surgical experience
- Founder of OSSO (Oklahoma Sports Science and Orthopedics)
- Thousands of patients treated with innovative, minimally invasive techniques
- Reputation for professionalism, fairness, and clear communication
- Available for in-person and virtual evaluations
- Over 1,000 IMEs completed and extensive expert witness experience
- Deep understanding of healthcare operations, including hospital and clinic ownership
About Dr. J. Calvin Johnson
A Career Built on Expertise and Trust
For more than three decades, Dr. J. Calvin Johnson has been a leader in orthopedic medicine. Over 35 years, he has performed more than 25,000 surgeries and helped thousands of patients regain mobility and quality of life. Known for his skill and approachable style, Dr. Johnson has earned the respect of both patients and peers throughout Oklahoma and beyond.
As the founder of OSSO (Oklahoma Sports Science and Orthopedics), he built a reputation for innovative techniques, including advanced arthroscopic procedures and biologic treatments. His career has also included leadership in healthcare business operations, including the purchase and management of hospitals, MRI centers, and physical therapy clinics.
Today, Dr. Johnson focuses exclusively on independent medical examinations (IMEs) and expert witness services. With more than 1,000 IMEs completed and extensive experience in court depositions, he applies his orthopedic expertise to help attorneys and insurers resolve complex legal and insurance matters with clarity and confidence.
Bridging Medicine and Law
After retiring from active surgical practice, Dr. Johnson now dedicates his expertise to serving as an Independent Medical Examiner and orthopedic expert witness. In these roles, he helps attorneys, insurance professionals, and courts resolve complex cases where clear and credible medical insight is essential.
An Oklahoma Foundation with a National Reach
An Oklahoma native, Dr. Johnson remains rooted in the community that shaped his career. At the same time, his expertise is sought after across the United States. Through both in-person and virtual evaluations, he can assist in cases far beyond state lines.
A Focus on Integrity
Throughout his career, Dr. Johnson has been known for more than his surgical skill. Patients, colleagues, and legal professionals alike value his clear communication, fair-mindedness, and dedication to doing what is right. These values continue to guide his work as he bridges the gap between medicine and law.
Services
Independent Medical Exams (IMEs)
Accurate, thorough, and unbiased evaluations are essential when medical questions arise in legal and insurance cases. Dr. J. Calvin Johnson provides Independent Medical Exams for attorneys, insurance companies, and employers who need an expert opinion to help resolve disputes.
With more than 35 years of orthopedic experience, Dr. Johnson conducts detailed examinations, reviews records, and produces clear reports that stand up to scrutiny. His findings are based on objective medical evidence, allowing decision-makers to proceed with confidence.
IMEs can assist with:
- Workers compensation evaluations (7-business-day turnaround)
- Personal injury case reviews (30-day turnaround)
- Impairment ratings (AMA Guides)
- Second opinions and peer reviews
- Insurance and disability disputes
Expert Witness Services
In complex cases, the credibility and clarity of expert testimony can make all the difference. Dr. Johnson offers expert witness services for attorneys and courts who require authoritative orthopedic expertise.
As an orthopedic surgeon with over 35 years of experience and more than 25,000 procedures performed, Dr. Johnson now focuses on supporting legal professionals through expert medical insight and testimony. His role is to provide insight based on facts and medical science, helping legal teams and juries understand the nature of injuries, treatment outcomes, and long-term effects.
Expert witness services include:
- Independent case reviews
- Written reports and opinions
- Depositions and courtroom testimony
- Consultation on medical aspects of cases
- Medical litigation consultation for personal injury and workers’ compensation cases
A Partner You Can Rely On
Dr. Johnson’s work is grounded in fairness and a commitment to clear communication. Whether serving as an independent examiner or an expert witness, his focus is always on providing unbiased information that helps move cases toward resolution.
A growing network of medical-legal expertise
MedLegal Authority is building a national panel of physicians and Legal Nurse Consultants so legal teams can access the right specialty for each case.
Dr. J. Calvin Johnson
Orthopedic Surgery
Founder of MedLegal Authority. Over 25,000 surgeries performed, 1,000+ IMEs completed, and extensive expert witness experience.
Internal Medicine
Joining Soon
Specializing in diagnostic testing and chronic disease management for complex adult medical cases.
Spine & Neurosurgery
Recruiting
Experts in spinal and neurological injuries, offering surgical and non-surgical perspectives.
Legal Nurse Consultants
Accepting Applications
Clinical insight for medical record review, case timelines, and standards-of-care analysis.
Make an Appointment
If you need an experienced orthopedic specialist for an independent medical exam or expert witness services, contact us today. We respond promptly and will coordinate the next steps.
- info@medlegalauthority.com
- 405-849-6988
- 1000 W Wilshire Blvd, Suite 430, Nichols Hills, OK 73116
Request a case review
Frequently Asked Questions
What is Med Legal Authority?
Med Legal Authority is a leading provider of medico-legal solutions, offering comprehensive services for medical professionals, legal practitioners, and organizations.
Who can benefit from your services?
Our services are designed for healthcare professionals, hospitals, legal firms, insurers, and individuals needing expert guidance on medico-legal matters.
What distinguishes Med Legal Authority from others?
We integrate medical and legal expertise to deliver precise documentation, expert opinions, and personalized support for every client.
How can I access your services?
You can connect with us through our website, submit an inquiry on our contact page, or reach out by phone or email for personalized assistance.
What does MedLegal Authority specialize in?
MedLegal Authority specializes in independent medical evaluations (IMEs) and expert witness services that help attorneys, insurers, and courts understand medical issues in legal cases.
Who leads MedLegal Authority?
The organization is founded and led by Dr. J. Calvin Johnson, a nationally recognized orthopedic surgeon with over 35 years of experience and more than 25,000 surgeries performed.
Does MedLegal Authority offer virtual evaluations?
Yes. They provide secure virtual evaluations in addition to in-person assessments, allowing flexible support for attorneys and insurers.
Where is MedLegal Authority located?
We are located at 1000 W Wilshire Blvd, Suite 430, Nichols Hills, Oklahoma, while serving clients across Oklahoma and surrounding regions.