Meet Our Team

Who We Are

Lindsey Attebery

Lindsey Attebery, PT, DPT

Dr. Attebery graduated from the University of Colorado Anschutz Medical Campus in 2012 with her clinical Doctorate in Physical Therapy (DPT). She joined the team at South Valley Physical Therapy in 2014 after completing a competency training in vestibular rehabilitation. Prior to joining SVPT, Lindsey worked with patients with complex orthopedic conditions. Lindsey’s passion is to combine her expertise in neurologic and orthopedic conditions to provide the best whole-person patient care. She continues to stay up to date on current best practice by attending continuing education conferences such as the Brain Injury Summit and the International Vestibular Conference. Lindsey is also fluent in Spanish and is fulfilled by serving the Spanish-speaking population. Her goals include expanding her knowledge of trauma and nervous system regulation in order to provide the best care for her patients. Lindsey is Colorado native who enjoys traveling, spending time with family and friends and is an avid basketball fan.

John Collier

John Collier, PT

Since graduating in 1981 John has developed a reputation for excellent patient care. His first goal for all patients is to provide an accurate diagnosis and then focused treatment. His philosophy of care is that through education and skillful instruction in the details and goals of their care he establishes a collaboration with his patients to develop a treatment plan that will restore them to their optimal improvement. He helps individuals manage the challenges of spine and peripheral joint orthopedic disorders, pre- and post-surgical conditions and contributes to the care of our patients with neurological diagnoses who have subsequent orthopedic problems.

Louise Fix

Louise Fix, PT, DPT

Dr. Fix received her Doctor of Physical Therapy degree from the University of Colorado Anschutz Medical Campus. At graduation, she received the Outstanding Capstone Award for her project on Functional Movement Disorder. She joined the team at South Valley after completing a clinical internship at South Valley PT, specializing in Vestibular Rehabilitation. Before pursuing a career as a Physical Therapist, Louise worked in social work and higher education. As a service provider, she loved working with clients to help them reach their goals. Her curiosity about movement, neuroscience and the body led her back to school and to a career in physical therapy. Along her educational journey, she worked in a lab as a research assistant studying the effects of music and dance therapy for people with Parkinson’s Disease. She has a passion for working with people with a variety of neurologic and musculoskeletal conditions. Her diverse experiences in health equity work, neurologic rehabilitation, and musical performance make her a dynamic, engaging and creative Physical Therapist. Louise partners with her patients to understand each person’s unique story to collaboratively build a pathway towards rehabilitation. As an avid, self-reflective learner, her passions include treatment of post-concussion symptoms, trauma-informed care, and functional movement disorders. When she is not working at South Valley, you can catch Louise playing a variety of stringed instruments with friends, hiking, rollerblading or reading a good novel.

Sarah Gallagher

Sarah Gallagher, PT, DPT, NCS

Dr. Gallagher received her certification in Neurological Physical Therapy by the American Board of Physical Therapy Specialties in 2015. It is based on years of clinical experience and rigorous examination. She received her Doctorate of Physical Therapy from Boston’s MGH Institute of Health Professions and completed an internship at Massachusetts General Hospital. She is a member of the Vestibular Disorders Association, American Physical Therapy Association and Academy of Neurology. She summarizes literature for the Vestibular Rehabilitation Special Interest Group and is the chair of the Vestibular Telerehab Task Force. She lectures at the University of Colorado Physical Therapy School on vestibular rehab and presents in Colorado and nationally. She is committed to providing evidence based and best treatment for her patients.

Meg Payne

Meg Payne, PT, DPT, NCS

Dr. Payne received her Doctor of Physical Therapy degree from Duquesne University in Pittsburgh, PA in 2009. In 2010 her passion for the neurologic patient population began after completing a 9-month Proprioceptive Neuromuscular Facilitation residency at Kaiser Foundation Rehabilitation in Vallejo, CA. Throughout her career she has excelled in the treatment of patients with neurologic disorders in various acute rehab facilities throughout the country, and locally in Littleton, CO since 2013. She enjoys treating patients with a variety of neurologic diagnoses with the goal to help them thrive and maximize their quality of life. To accomplish her goal of continuous growth as a therapist, she pursued specialized training in therapies for Parkinson’s Disease, stroke and vestibular disorders. In 2019 she received her Neurologic Specialist Certification from the American Board of Physical Therapy Specialists, the highest level of neurologic expertise a physical therapist can achieve. She is also an active member of the neurology section of the American Physical Therapy Association. When not working as a PT she enjoys mountain biking around the state and working on house projects with her husband.

Brooke Stewart, PT, DPT

Dr. Stewart received her Doctor of Physical Therapy degree from the University of Kentucky, which is where her passion for treating individuals with neurological conditions flourished. She dedicated her doctoral research and clinical internships to helping patients with a variety of neurological disorders and musculoskeletal conditions. This path led her into a career in neurological and vestibular rehabilitation where she treated individuals with chronic movement disorders and balance difficulties. She has over nine years of experience working with individuals with Parkinson’s disease and has pursued specialized training in exercise and holistic wellness approaches to maximize their overall quality of life. Her unique treatment approach is attributed to her own personal experiences living with Type 1 Diabetes. She makes it a priority to tailor the patient’s specific goals and interests into each session to provide a positive treatment experience. A motto she likes to live by is, "There are no limitations in life, only modifications." When she is not treating patients, you will find her mountain biking, hiking, skiing, and exploring her new home with her husband and friends.

Chelsea Van Zytveld

Chelsea Van Zytveld, PT, DPT

Dr. Van Zytveld earned her Doctor of Physical Therapy degree from the University of Colorado Physical Therapy Program in 2013 and completed a competency in Vestibular Rehabilitation at South Valley Physical Therapy in 2014. Since then, she has developed expertise in working with people with dizziness, imbalance, vestibular conditions, concussions, head injuries, neurologic conditions, and facial weakness and paralysis. She has also completed extensive training in trauma, pain science education, and autonomic nervous system regulation. She believes that incorporating these aspects of care is critical to the full recovery of her patients. In addition to her clinical work, Chelsea has returned to the University of Colorado Physical Therapy program in a teaching and research role. She has written several research articles and lectures yearly on the topic of patient safety in physical therapy. She also teaches on the topics of clinical reasoning and vestibular rehabilitation. Chelsea has co-authored textbook chapters on vestibular system pathology and intervention. In 2018, she was awarded “Honorable Mention for a Case Study” at the International Conference for Vestibular Rehabilitation for her research entitled “Undetected Cranial Cerebrospinal Fluid Leak in a Young Woman Referred to Physical Therapy for Chronic Dizziness.”

Deborah Walker

Deborah Walker

Deborah Walker may be the first person you talk to, and she is there to help you make your initial step into South Valley Physical Therapy. She has a strong tradition of providing business and personal support. She has both great wit and charm. An avid animal lover, when not at work, Deb enjoys gardening, watching old movies, and spending time with her extended family.