Marissa Fritzler,  speech-language pathologist with Sonos Neurotherapies in Bend, Oregon

Mallory Rizzio


Mallory has been a Speech Language Pathologist since 2020. She was born and raised in Portland, Oregon. She enjoys spending time with her husband, Ian, and their daughter, Thea. She loves reading, cooking, cheering on her favorite sports teams, and baking.

Areas of Specialty

Mallory has experience working with adult and pediatric AAC users, stroke and traumatic brain injury survivors, and adults with dementia and Parkinson’s Disease. She has spent the last 2 years working in early intervention and is trained as a Learn Play Thrive therapist. She specializes in strengths-based approaches to working with autistic children in neuroaffirming ways. She loves working with families and giving them the tools and encouragement to help their children reach their language goals.


  • Bachelor of Science, Speech and Hearing Sciences, Portland State University
  • Master of Science, Speech and Hearing Sciences, Portland State University


  • Certificate of Clinical Competence in Speech Language Pathology from the American Speech-Language-Hearing Association
  • Licensed by the State of Oregon by the Board of Examiners for Speech-Language Pathology and Audiology

"Sonos has been a great partner in our multidisciplinary concussion clinic. They have stepped up to serve our patients and we enjoy the coordination of care that we feel brings the patients improved care. On an individual basis, our patients have gained tools and knowledge to address challenges from brain injury in their everyday lives. Practical tips and tools that are invaluable. SONOS helps to change lives for those suffering from traumatic brain injury.”

Viviane Ugalde, MD, The Center

“As an asthma specialist involved in the care of patients of all ages with laryngeal hypersensitivity and vocal cord dysfunction, I have had the opportunity to share numerous patients with the speech and language pathologists at Sonos. I have been very impressed by the professionalism, communication, quality of care, and outstanding results that my patients get under their care. It is very rewarding to see the results they achieve with the patients I refer to them."

Adam Williams, MD, Bend Memorial Clinic

"I always trust that Sonos Neurotherapies is going to provide excellent therapy and care for my patients. Families and patients love the specialists there and the support they provide.”

Mary T. Rogers, MD, FAAP, Central Oregon Pediatric Associates

Contact Us

Ask a question or book an appointment below. For emergencies call 911 or visit your nearest hospital.

(541) 604-8255

Fax (541) 706-9440

20310 Empire Ave, Suite A103, Bend, OR 97703