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About Us

Tumble N’ Dots is a private pediatric therapy clinic located in Irvine CA.

We work with children of varying diagnoses, including autism, down syndrome, cerebral palsy, motor development delays, and sensory processing challenges. Our therapists specialize in evaluation and treatment using Ayres Sensory Integration® (ASI), a framework developed by A. Jean Ayres, Ph.D., OTR, FAOTA, an occupational therapist, psychologist, and neuroscientist. Our specialized facility is designed around tailoring intervention to each individual child’s needs using ASI principles.

Our team

Avital Shuster, Pediatric Occupational Therapist

Avital Shuster, MA OTR/L

Pediatric Occupational Therapist / Owner

Avital is the founder and director of Tumble N’ Dots.

Shortly after graduating from the University of Southern California (USC) with a Bachelors and Masters degrees in Occupational Therapy, she began her work as a Pediatric Occupational Therapist at Irvine Unified School District.

Having completed post-graduate education and training in Ayers Sensory Integration and Feeding Therapy, Avital has been working with children since 2008 and has experience serving children with a variety of diagnosis in the clinic, home, school, telehealth, and community-based settings.

She specializes in using task analysis to develop goals and plans that support the child’s needs.

Avital believes in helping parents to focus on the strength and abilities of each child while incorporating behavior plans and strategies to foster success.

Avital is also the creator of OTPlan – an activity idea search engine for developmental activities

In her free time, Avital enjoys spending time with her husband, 3 young children, and her dog, going to the beach, hiking, and traveling.

Avital brings her love for children, understanding of parents struggling with a special needs child, and years of therapy experience to every session.

Danielle - Pediatric Occupational Therapist

Danielle Noriega, MA OTR/L

Pediatric Occupational Therapist

Danielle is an Occupational Therapist at Tumble N’ Dots.

She grew up taking care of her relatives and knew the difference it made to have a supportive and knowledgeable healthcare team. She chose Occupational Therapy because she felt it allowed her to most directly serve others by helping them fulfill their occupations – that is, what they want to do and need to do – so they may live life to their highest potential.

Danielle holds a Bachelor of Science in Kinesiology and a Master of Occupational Therapy. She has worked as an Occupational Therapy Aide at Children’s Hospital Los Angeles, where she discovered her passion for serving the youth and their families. She loved utilizing art to assist individuals’ progress toward goals. 

Her Occupational Therapy fieldwork experience includes Inpatient Acute experience in Honolulu, Hawaii, and Inpatient Rehabilitation experience in Los Angeles, California. She graduated from her Occupational Therapy program with honors, and her prior experience includes working as a school-based and outpatient Pediatric Occupational Therapist for school-aged children with varying diagnoses, including developmental delays, sensory processing impairments, and behavioral impairments.

Her strengths are her compassion, creativity, and perseverance, and she prioritizes making therapy fun and educational. Danielle specializes in Feeding & Swallowing, Environmental Modification, and Stress Management. Her preferred occupations include painting, running, and being with family.

Katie Voorhis - Pediatric Occupational Therapist

Katie Voorhis, MA OTR/L

Pediatric Occupational Therapist

Katie grew up in Solvang, California, and received her Bachelor’s degree in Kinesiology from Chapman University, and her Master’s degree in Occupational Therapy from The University of St. Augustine for Health Sciences.

Katie has completed many volunteer hours in pediatric settings including outpatient clinics and school settings working with children with Autism, Sensory Processing Disorder, and Cerebral Palsy.

She completed her graduate school fieldwork at an outpatient pediatric clinic in Boulder, Colorado, and at a brain injury rehabilitation facility in Mckinney, Texas.

Katie loves working with children of all ages and is passionate about providing family-centered care and child-led treatments to facilitate development and ensure that each child reaches their goals.

In her free time, Katie enjoys playing tennis, traveling, and spending time with her family and friends. 

Miranda Orosco

Miranda Orosco

Pediatric Occupational Therapy Aid

Miranda was born and raised in Orange County, and received her Bachelor’s degree in Child Development and Family Studies in 2018 from Cal State Long Beach. She is graduating this year with her Master of Science in Occupational Therapy from Cal State Dominguez Hills, and has always been passionate about working with children.

Her Occupational Therapy fieldwork experiences include a community mental health setting in Long Beach, an inpatient acute setting in Orange, a special education school in Buena Park, and another community setting with adolescents in Long Beach.

Throughout her time in her OT program, she had also conducted a 1.5-year long research project focusing on the experience of families affected by pediatric cancer.

Miranda has an extensive background in swimming, and has taught swim lessons to children for over 7 years, including Baby & Me classes with parents, and older children. She has experience working with children in groups, as well as one-on-one, and loves teaching new skills in the water. Her strengths include creativity, communication, improvising, and adapting.

In her free time, she enjoys music, movies, spending time outdoors, and quality time with family and friends.

Amanda Harpst SLP

Amanda Harpst / Aspire for Autism

Speech Pathologist

Amanda is the founder of Aspire for Autism. Amanda is a mother of three and speech pathologist. She graduated from Cal Poly with a BA in English and from Cal State Northridge, with a Masters in Speech Language Pathology. She has years of experience with children of all ages, starting with tutoring in her younger years, to her more recent experience as a speech-language pathologist, and especially as a mother. She has been in the speech therapy field since 2002, with a range of experience in school programs, private clinics, home-health, and hospital/medical facilities. What she loves most is providing opportunities for parent-involvement in their child’s therapy planning and progress, and parent coaching for greater success. Amanda’s previous therapy experience has given her the opportunity to work with and learn from teachers, occupational therapists and other related professionals. She’s learned a lot about the benefits of adding movement and sensory techniques to provide a functional, productive learning environment for each child. With advanced training in the Lindamood-Bell learning programs, she brings reading, comprehension, memory and visualization techniques into therapy sessions. Her advanced training in Stanley Greenspan’s DIR/Floortime model has taught her the importance of building strong relationships in a developmentally appropriate, child-led, play-based and relationship-rich environment. Most recently, Amanda has created a parent training program using the philosophy and proven success of DIR, called C.A.R.E. for Parents, which walks parents through the process of understanding their child’s strengths and learning style to be able to connect and communicate meaningfully. The combination of these programs among others, has allowed her to create a comfortable, natural setting for the children, where they and their families can thrive. In her free time, Amanda enjoys going for walks, hikes and jogs; spending time in nature with her 3 kids, and painting, jewelry-making and anything else crafty. Amana takes her personal experience of being in speech therapy as a child, along with her own parenting joys, to create a nurturing learning environment for both the child and parents together.

Christina Johnson / Aspire for Autism

Speech Pathologist

Christina Johnson has been a licensed and ASHA certified speech-language pathologist for 23 years.

She has joined Aspire for Autism after serving a largely pediatric clientele in her own private practice for the last 2 decades. Christina is a mother of 3 kids and is an avid runner and cyclist.

Christina earned her Master’s Degree in Communicative Disorders from California State University, Fullerton in l997. She also holds a BA in Communicative Disorders from CSUF and BA in Social Ecology from UCI. She is credentialed with a Clinical Rehabilitative teaching certificate in the state of California.

Christina has worked in a multitude of settings, such as acute hospitals, skilled nursing facilities, public schools, early intervention agencies and private practice.

Her professional experience includes the assessment and treatment of children and young adults presenting with a variety of communicative disorders, including autism spectrum disorder, language
processing disorder, phonological/articulation disorders, fluency disorder, childhood apraxia of speech, myofunctional/tongue thrust.
Christina’s clinical vision is to provide a family centered approach to therapy through evidenced based intervention for her clients, and education for caregivers to ensure the successful achievement of goals.

In her free time she also enjoys water sports and traveling with her family.

Since we specialize in individual care, at each appointment we devote an hour of 1:1 attention. This gives us ample time to assess your child and devise a program to meet your child’s specific therapy goals. We pride ourselves on a collaborative approach and have a team of occupational therapists and speech and language pathologists. Although your child will work primarily with one therapist, at times we will co treat and collaborate so that additional insight and approaches can be integrated into your child’s care. 

We want you to know that we are always available between appointments via email or phone to answer any questions or concerns you may have.

Not sure what service your child might need?

We’re offering a free 30-minute screening appointment at our Irvine clinic. If you are interested, please contact us to schedule your screening appointment.