Dr. Oscar M Del Rio-marquez, DC
Chiropractic
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Office Address
1414 S GRAND AVE STE 270, Los Angeles, CA 90015
Phone
Counties Served
Los Angeles County, Orange County, Riverside County
Credential
DC — QME Certified
About Dr. Oscar M Del Rio-marquez
Dr. Oscar Miguel Angel Del Rio-Marquez, DC, QME, is a chiropractic physician based in the Los Angeles area. He graduated Magna Cum Laude from Southern California University of Health Sciences in 2019, completing the Sports Medicine Honors Program. He operates Del Rio Chiropractic Clinic in Norwalk, CA, and also practices in Maywood, CA. Dr. Del Rio-Marquez joined Prime Medical Evaluators (PME) as a Qualified Medical Evaluator in February 2026, focusing on workers' compensation and medical-legal evaluations.
Education & Board Certifications
- University of California, Los Angeles - BS Biology (2015)
- Southern California University of Health Sciences - DC, Magna Cum Laude, Sports Medicine Honors (2019)
Languages Spoken
About Chiropractic QME Evaluations
Chiropractic QME evaluations address spinal and musculoskeletal conditions commonly seen in workplace injuries, including disc herniations, spinal subluxations, and soft-tissue injuries. The evaluating chiropractor assesses spinal alignment, range of motion, and the appropriateness of ongoing chiropractic care.
Under California workers' compensation law ( LC §139.2), QME physicians must meet qualification standards set by the Division of Workers' Compensation and must follow the AMA Guides to the Evaluation of Permanent Impairment, 5th Edition (2001), for impairment ratings.
Common Conditions Evaluated
Workers' Compensation in Served Counties
Dr. Oscar M Del Rio-marquez serves workers' compensation cases in Los Angeles County, Orange County, Riverside County, California. Each county has its own WCAB district office that handles workers' compensation disputes and hearings.
Frequently Asked Questions
What types of cases does Dr. Oscar M Del Rio-marquez evaluate as a QME?
A Chiropractic QME evaluation involves a comprehensive review of medical records, a clinical examination, and a written report addressing causation, treatment needs, and permanent impairment. The evaluating physician follows the AMA Guides to the Evaluation of Permanent Impairment, 5th Edition (2001), as required by California workers' compensation law.
Where is Dr. Oscar M Del Rio-marquez's office located?
Dr. Oscar M Del Rio-marquez's office is located at 1414 S GRAND AVE STE 270, Los Angeles, CA 90015. The office serves workers' compensation evaluations for 3 California counties including Los Angeles County.
What are Dr. Oscar M Del Rio-marquez's board certifications?
Dr. Oscar M Del Rio-marquez holds the following board certifications: QME (Qualified Medical Examiner). Board certification demonstrates that a physician has met rigorous standards in their specialty beyond basic medical licensure.
What is Dr. Oscar M Del Rio-marquez's education and training background?
Dr. Oscar M Del Rio-marquez's training includes: University of California, Los Angeles - BS Biology (2015); Southern California University of Health Sciences - DC, Magna Cum Laude, Sports Medicine Honors (2019). This training provides the clinical foundation for conducting independent medical evaluations in chiropractic workers' compensation cases.
How many years of experience does Dr. Oscar M Del Rio-marquez have?
Dr. Oscar M Del Rio-marquez has approximately 7 years of medical experience. As a QME-certified chiropractic physician, this clinical experience informs evaluations of injury causation, treatment appropriateness, and permanent impairment in workers' compensation cases.
What languages does Dr. Oscar M Del Rio-marquez speak?
Dr. Oscar M Del Rio-marquez speaks English and Spanish. Multilingual capability can facilitate more effective communication during QME evaluations for non-English-speaking injured workers.
Which counties does Dr. Oscar M Del Rio-marquez serve for QME evaluations?
Dr. Oscar M Del Rio-marquez is available for QME evaluations in Los Angeles County, Orange County, Riverside County. Each county is served through the DWC panel process, and evaluation locations may vary.
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