Biography
About Dr. Mattie
Dr. Ryan Mattie is an Interventional Spine and Pain Management specialist with
more than 10 years of experience. He offers advanced treatments including
image-guided injections, spinal stabilization devices, spinal cord stimulation,
and regenerative medicine therapies to address acute, chronic, or cancer-related
pain. Throughout his career, Dr. Mattie has helped countless patients with back
and neck pain, musculoskeletal injuries, and nerve pain disorders like Complex
Regional Pain Syndrome.
Dr. Mattie earned his medical degree from the University of Miami School of
Medicine, where he received the Physician Commendation for Exceptional
Professionalism and Service. He completed his internship at the University of
California, Irvine and his residency at Stanford University School of Medicine,
where he served as Chief Resident. After residency, he continued his training in
advanced Interventional Pain Management at one of the top fellowships in the
country at the University of California, San Francisco School of Medicine.
Dr. Mattie is board certified in both Pain Management and Physical Medicine &
Rehabilitation, and is a Certified Life Care Planner (CLCP). He has published more
than 50 peer-reviewed articles in renowned pain, spine, orthopedic, and sports
medicine journals. Dr. Mattie serves on the Board of Directors for the Pacific
Spine & Pain Society and is the chair of their Research Committee. He chaired
the Standards Division for the International Pain and Spine Intervention Society
(IPSIS) for three years and continues to serve on its Guidelines Committee.
Additionally, Dr. Mattie is the Associate Editor for the Minimally Invasive
Surgery section of the Interventional Pain Medicine journal.
Areas of Expertise
- Pain Management
- Physical Medicine & Rehabilitation
- Interventional Spine
- Sports Medicine
- Regenerative Medicine
- Complex Regional Pain Syndrome (CRPS)
- Traumatic Brain Injury
- Spinal Cord Injury
Selected Publications
Dr. Mattie has authored more than 50 peer-reviewed articles in leading pain,
spine, orthopedic, and sports-medicine journals. Recent works include:
- A Systematic Review of Evidence Comparing Spinal Cord Stimulation to Sham or Conservative Medical Management in the Treatment of Persistent Spinal Pain Syndrome – Type 2. Interventional Pain Medicine. 2025.
- Pacific Spine and Pain Society (PSPS) Evidence Review of Surgical Treatments for Lumbar Degenerative Spinal Disease: A Narrative Review. Interventional Pain Medicine. 2025.
- Spinal Cord Stimulation for the Treatment of Complex Regional Pain Syndrome: A Systematic Review of Randomized Controlled Trials. Interventional Pain Medicine. 2024.
- FactFinders for Patient Safety: Preventing Local Anesthetic-Related Complications — Local Anesthetic Chondrotoxicity and Stellate Ganglion Blocks. Interventional Pain Medicine. 2024.
- FactFinders for Patient Safety: Preventing Potential Procedure-Related Complications — Vasovagal Reactions and Spinal Cord Stimulator Lead Migration. Interventional Pain Medicine. 2023.
- FactFinders for Patient Safety: Understanding Potential Procedure-Related Complications — RFN/Multifidus Atrophy, Intradiscal Biologics, and Facet Cyst Rupture. Interventional Pain Medicine. 2023.
View the complete publication list
- FactFinders for Patient Safety: Antibiotics for Disc Access and Spinal Cord Stimulation Trials. Interventional Pain Medicine. 2022.
- Radiofrequency Ablation for Chronic Hip Pain: A Comprehensive, Narrative Review. Pain Medicine. 2021.
- Vertebral Augmentation of Cancer-Related Spinal Compression Fractures: A Systematic Review and Meta-Analysis. Spine. 2021.
- Corticosteroid Injections and COVID-19 Infection Risk. Pain Medicine. 2020.
- Anticoagulants for Lumbar Epidural Steroid Injections. Pain Medicine. 2020.
- Are There Gender-Related Differences in the Psychometric Properties of the Oswestry Disability Index? European Journal of Physical and Rehabilitation Medicine. 2020.
- Frequency of Epidural Steroid Injections. Pain Medicine. 2020.
- The Reliability of a Grading System for Digital Subtraction Imaging Quality During Cervical Transforaminal Epidural Steroid Injection. Pain Medicine. 2020.
- The Magnitude and Duration of the Effect of Intra-articular Corticosteroid Injections on Pain Severity in Knee Osteoarthritis: A Systematic Review and Meta-Analysis. American Journal of Physical Medicine & Rehabilitation. 2020.
- Annual Maximum Dose of Epidural Steroid Injection. Pain Medicine. 2019.
- Cumulative Lifetime Steroid Exposure via Epidural Administration. Pain Medicine. 2019.
- The Effectiveness of Lumbar Transforaminal Injection of Steroid for the Treatment of Radicular Pain: A Comprehensive Review of the Published Data. Pain Medicine. 2019.
- Factors Associated with Willingness to Work Among Unemployed Persons with a Disability in a Large Urban Area: A Short Communication. Work. 2018.
- Corticosteroid Injections Into Lumbar Facet Joints: A Prospective, Randomized, Double-Blind Placebo-Controlled Trial. American Journal of Physical Medicine & Rehabilitation. 2018.
- Use of Pain Medication Before and After Lumbar Discectomy: Longitudinal Analysis of a Nation-wide Cohort. Minerva Surgery. 2018.
- Retroperitoneal Hematoma After Celiac Plexus Block (book chapter). Challenging Cases and Complication Management in Pain Medicine. 2018.
- Autonomic Insufficiency After Neurolytic Celiac Plexus Block (book chapter). Challenging Cases and Complication Management in Pain Medicine. 2018.
- Cervical Epidural Steroid Injection. Physical Medicine and Rehabilitation Clinics of North America. 2017.
- Psychometric Properties of the Neck Disability Index Amongst Patients with Chronic Neck Pain Using Item Response Theory. Disability and Rehabilitation. 2017.
- Confirmatory Factor Analysis of the 12-Item World Health Organization Disability Assessment Schedule in Patients with Musculoskeletal Pain Conditions. Clinical Rehabilitation. 2017.
- Cooled Radiofrequency Ablation of the Genicular Nerves for Chronic Pain due to Knee Osteoarthritis: Six-Month Outcomes. Pain Medicine. 2017.
- Psychometric Properties of the Oswestry Disability Index. International Journal of Rehabilitation Research. 2017.
- Is There a Relationship Between Body Mass Index and Fluoroscopy Time During Cervical Interlaminar Epidural Steroid Injections? Pain Medicine. 2016.
- The Effect of Body Mass Index on Fluoroscopy Time and Radiation Dose in Intra-articular Glenohumeral Joint Injections. Clinical Imaging. 2016.
- Percutaneous Needle Tenotomy for the Treatment of Lateral Epicondylitis: A Systematic Review of the Literature. PM&R. 2016.
- Psychometric Properties of the Pain Numeric Rating Scale When Applied to Multiple Body Regions Among Professional Musicians. PLOS One. 2016.
- Ranges of Motion After Reverse Shoulder Arthroplasty Improve Significantly the First Year After Surgery in Patients with Rheumatoid Arthritis. European Journal of Orthopaedic Surgery & Traumatology. 2016.
- Comparing Percutaneous Vertebroplasty and Conservative Therapy for Treating Osteoporotic Compression Fractures in the Thoracic and Lumbar Spine: A Systematic Review and Meta-Analysis. The Journal of Bone and Joint Surgery. 2016.
- A Systematic Review of Available Treatments for Discogenic Low Back Pain. Current Physical Medicine and Rehabilitation Reports. 2016.
- Safety of Epidural Steroid Injections. Expert Opinion on Drug Safety. 2016.
- The Effect of Body Mass Index on Fluoroscopic Time and Radiation Dose During Lumbar Transforaminal Epidural Steroid Injections. The Spine Journal. 2016.
- Ultrasound Guidance for Technically Challenging Intrathecal Baclofen Pump Refill. American Journal of Physical Medicine & Rehabilitation. 2016.
- Novel Treatment of Radicular Pain With a Multi-Mechanistic Combination Topical Agent: A Case Series and Literature Review. Anesthesiology and Pain Medicine. 2016.
- Cooled Radiofrequency Ablation of Genicular Nerves for Knee Osteoarthritis Pain: A Protocol for Patient Selection and Case Series. Anesthesiology and Pain Medicine. 2016.
- The Effect of Body Mass Index on Fluoroscopic Time and Radiation Dose During Intra-articular Hip Injections. PM&R. 2016.
- A Study of the Psychometric Properties of the 12-Item World Health Organization Disability Assessment Schedule 2.0 in a Large Population of People with Chronic Musculoskeletal Pain. Clinical Rehabilitation. 2016.
- Detection of Intravascular Injection During Lumbar Medial Branch Blocks: A Comparison of Aspiration, Live Fluoroscopy, and Digital Subtraction Technology. Pain Medicine. 2016.
- Presentation and Rehabilitation in a Patient With Toxoplasmosis Encephalitis: A Case Study and Review. PM&R. 2016.
- Glenohumeral Joint Pain Referral Patterns: A Descriptive Study. Pain Medicine. 2015.
- Importance of Image Guidance in Glenohumeral Joint Injections: Comparing Rates of Needle Accuracy Based on Approach and Physician Level of Training. American Journal of Physical Medicine & Rehabilitation. 2015.
- Are All Epidurals Created Equally? A Systematic Review of the Literature on Caudal, Interlaminar, and Transforaminal Injections from the Last 5 Years. Current Physical Medicine and Rehabilitation Reports. 2015.
- A Medication Combination for the Treatment of Central Post-Stroke Pain (CPSP) via the Adjuvant Use of Prednisone with Gabapentin: A Case Report. PM&R. 2015.
- A Case of Progressive Multifocal Leukoencephalopathy due to HIV/AIDS with Functional Improvement After Acute Inpatient Rehabilitation. PM&R. 2013.
- Neurosarcoidosis Presenting as Mononeuritis Multiplex. American Journal of Physical Medicine & Rehabilitation. 2013.
- Mononeuropathy Multiplex as a Rare Presentation of Sarcoidosis: A Case Report. American Journal of Physical Medicine & Rehabilitation. 2012.
