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

Mallory Rizzio


Pronouns: she/her/hers

Mallory was born and raised in Portland, Oregon, and began her career as a Speech Language Pathologist in 2020. 

Mallory’s expertise spans both the adult and pediatric populations, including AAC users, stroke and traumatic brain injury survivors, and individuals with dementia and Parkinson’s Disease.

Mallory has been immersed in the world of early intervention, making a significant impact on the lives of young children and their families. She brings a unique perspective to her work, as she is trained as a Learn Play Thrive therapist. Mallory’s approach is rooted in strengths-based methods, allowing her to connect with and empower autistic children in neuroaffirming ways. Her dedication to understanding and supporting the unique needs of these children sets her apart.

Mallory thrives on collaborating with families, equipping them with the tools, knowledge, and encouragement to help their children reach their language and developmental goals. Her warm and nurturing approach is at the heart of her practice, ensuring that each child and family she works with feels supported and inspired.

In her free time, 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 excels in early intervention and is trained as a Learn Play Thrive pediatric speech therapist, using a strengths-based approach and neuroaffirming techniques to support autistic children’s language development. She collaborates with families, providing tools and guidance to help children reach their language and developmental goals.

Additionally, Mallory’s experience working with adult and pediatric AAC users, stroke and traumatic brain injury survivors, and adults with dementia and Parkinson’s Disease make her an invaluable asset to the Sonos Neurotherapies team.


  • 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