About Us
Cascade Spine & Injury Center is a multidisciplinary clinic that focuses on treating those injured in everyday situations, including motor vehicle accidents, work injuries, and sports injuries.

- Cascade Spine & Injury Center is a multidisciplinary clinic that focuses on treating those injured in everyday situations, including motor vehicle accidents, work injuries, and sports injuries.
- We combine chiropractic, massage therapy, and therapeutic rehabilitation aimed to provide you with a quick and effective recovery from whiplash and other traumatic injuries.
- We use an integrative approach, which regularly provides excellent results for our patients. When indicated, we work with other alternative and medical providers in coordination of our patient’s care, including: primary care doctors, orthopedic surgeons, neurosurgeons, neurologists, physiatrists, mental health workers, acupuncturists, massage therapists, and physical therapists.
Your Partner in Patient Success
- We regularly work with referrals for all kinds of providers in the Portland metro area. Whether you are a primary care provider, massage therapist, neurosurgeon, or physical therapist, we are happy to discuss your referral with you.
- By combining chiropractic, massage therapy, therapeutic exercises/activities, acupuncture, and modalities, we offer a broad array of conservative care that can tackle nearly any musculoskeletal problem. Our focus is on injury, specifically auto accident injuries and work injuries. We also treat a variety of common and not-so-common musculoskeletal conditions including:


- whiplash
- discogenic pain
- back pain
- neck pain
- carpal tunnel
- torticollis
- rib dysfunction
- biomechanical dysfunction/postural syndrome
- ankle sprains
- He is accredited as an Accident Reconstructionist by the Accreditation Commission for Traffic Accident Reconstructionists.
- He is trained in electrodiagnosis and performs Nerve Conduction Velocity (NCV) studies and Needle Electromyography (Needle EMG) studies.
- He has published articles on MRI assessment of diffuse axonal injury, and the efficacy of radiofrequency ablation for chronic facet and radicular pain.
- Dr. McClaren has extensive experience in treating whiplash and other traumatic injuries, and truly enjoys working with these types of patients.
- He is a volunteer builder with Habitat for Humanity, and lives with his wife and two children in Portland, Oregon.
MEET DR. MCCLAREN
Dr. Jonathan McClaren
Clinic Owner/Clinic Director/Chiropractic Physician
- The passion that fuels Dr. McClaren as a chiropractic physician began at an early age and with a steady desire for learning and practicing health and well-being. Over the years, many chiropractors have helped him heal from injuries, improved his function, flexibility, well-being, athletic performance, and helped prevent future injuries through education and rehabilitation. Based on these experiences, Dr. McClaren naturally chose to become a chiropractor! He is thankful every day for the ways in which he helps his patients heal and improve their quality of life.
- He completed his doctoral training at the University of Western States, here in Portland, Oregon. Dr. McClaren completed his undergraduate training at the University of Colorado at Boulder. He is licensed to practice as a chiropractic physician in the state of Oregon, and is credentialed by the National Board of Chiropractic Examiners.
- He has obtained extensive post-doctoral training in fields relating to the focus of his practice on traumatic injuries. He is credentialed in the diagnosis and triage of the traumatically injured patient, whiplash, rehabilitation, MRI spinal interpretation, accident reconstruction, electrodiagnostics, biomechanics, and other related fields.
- He is certified in Spinal Biomechanical Engineering, by the State University of New York at Buffalo, School of Medicine and Biomedical Sciences, and the Academy of Chiropractic Post Doctoral Division.
- The Appeals Court of Oregon has determined that Dr. McClaren may testify in court on the topic of Biomechanical Engineering.
Why Choose Us?
At Cascade Spine & Injury Center, we focus on your short-term and long-term health and quality of life.
For Providers

Your Partner in Patient Success
Please call today and ask to speak to Dr. McClaren or Dr. Kennedy about your patient’s condition and we will work with you to find the best place for your patient, whether at our clinic or elsewhere!
Below are resources you can download and utilize to better work with our clinic, including a referral form you can fill out and fax to us at (503) 914-0923.
For Patients

What To Expect On Your Fist Visit
- Upon greeting you and performing a COVID-19 screening, we will have you fill out new patient paperwork, which can be found below. Then, the chiropractic assistant or provider will see you next for an examination, and typically, treatment on first visit. If you are visiting us for an injury, we will assist you in filling out any necessary paperwork as well.
- If your condition requires we get X-rays or an MRI, your provider will order that as well. If your condition requires co-treatment with another doctor or professional, we will make that referral as well.
- We typically function as your “quarterback”, organizing and coordinating your care to achieve the best outcomes for you.
- We welcome you and look forward to seeing you fully recovered and back to your life!
Meet the Team
We are here to help you feel better! Whether recovering from an injury, dealing with chronic pain, or looking to achieve
wellness and a higher level of functioning, we can help!
wellness and a higher level of functioning, we can help!

Dr. Jonathan McClaren
- Clinical Director and Chiropractic Physician

Loretta Grisaffi
- Licensed Massage Therapist

Michelle Waneka
- Licensed Acupuncturist

Luke Galeotti
- Licensed Massage Therapist

Celene Cruz
- Chiropractic Assistant