Medically reviewed by Jamie M. Severtson, PhD, BCBA-D
ABA therapy for autism, right here in Mesa.
Modern, play-based ABA for children with autism. Early intervention specialty at our Mesa center (ages 18 months through 6) and in-home ABA across Arizona County (through age 17). Arizona Medicaid and major insurance accepted.
INSIDE OUR Mesa CENTER
Built for your child, right here in Mesa.
Walk in and you’ll see what a calm, child-led ABA space looks like — quiet therapy rooms, a sensory space stocked with regulating tools, and a peer-play zone where kids practice the social skills that carry into preschool.
1:1 therapy rooms
Quiet, focused, kid-scaled.
Sensory space
Calming and alerting tools.
Peer-play zone
Turn-taking and social skills.
Observation area
Watch and debrief with your BCBA.
FIND US
The Treetop ABA, Mesa.
Address & Hours
Mon – Fri · 8:00am to 6:00pm
Closed weekends & holidays
Free parking · Wheelchair accessible · Sensory-friendly waiting area
01
A BCBA and your intake coordinator. About 30 to 45 minutes total.
02
Insurance card, diagnosis paperwork if available, and any IEP or 504 documents.
03
Therapy rooms, sensory space, and observation areas — real, not staged.
SERVICES IN Arizona
Four ways your child
can grow with us.
Every program is designed and supervised by a Board Certified Behavior Analyst.
Center-Based ABA
Ages 18 mo – 6 yr
Our early intervention specialty. Structured, play-based learning at our Mesa center on 3048 E Baseline Rd. Stes 101,104 — peer practice, sensory tools, school-readiness routines, and specialized materials. For toddlers and young children stepping into preschool or kindergarten.
In-Home ABA
Ages 18 mo – 17 yr
Skills practiced in your child’s real routines — mealtimes, bedtime, sibling play — with parents watching the techniques live. Available across Mesa County for children of all ages through 17, with no age cap at our in-home program.
School-Based ABA
Collaboration with Mesa Public Schools, Gilbert Public Schools, and local charter and private schools. IEP support, classroom-behavior coaching, and BCBA consultation for teachers.
Parent Training & Coaching
Caregivers learn ABA techniques between sessions. Evening and weekend availability so working parents are not left out. Coaching from your child’s BCBA, not a generic curriculum.
CHOOSE A SETTING
Center, in-home, or both?
“The right ABA center is the one where your child can see real progress within ninety days, with a BCBA who knows their name. Setting matters less than fit.”
Jamie M. Severtson, PhD, BCBA-D
Senior Clinical Director
SETTING 01
Hybrid
The best of both worlds. Some weekly sessions at the center for structure and peer practice, the rest at home for real-routine skill generalization and parent coaching.
BEST FOR
Generalization across settings
TYPICAL HOURS
15–35 per week
BEST FOR
18 months – 6 years
SETTING 02
Center-Based
Structured learning environment with peer practice and school-readiness routines. Best for kids stepping into preschool, kindergarten, or a more structured routine.
BEST FOR
School readiness, peer play
TYPICAL HOURS
20–40 per week
BEST FOR
18 months – 6 years
SETTING 03
In-Home
Skills taught in your child’s real daily routines — mealtimes, bedtime, sibling play. Ideal for younger kids, families with travel barriers, or homes that need direct coaching.
BEST FOR
Routines, family coaching
TYPICAL HOURS
10–30 per week
BEST FOR
18 months – 17 years
Arizona COVERAGE
We handle
the paperwork.
79%
of Treetop families nationwide pay $0 out of pocket
Source: internal claims data, FY2025. Verified with carrier provider relations May 2026.
Aetna
American Indian Health Program
Arizona Complete (Medicaid)
Banner University (Medicaid)
Blue Cross Blue Shield
Champ VA
Health Choice (Medicaid)
Mercy Care (Medicaid)
OUR APPROACH
Modern ABA, built around
how your child actually learns.
ABA has evolved. Ours leads with play, with your child’s strengths, and with you in the room.
Play-based, child-led
Sessions happen on the floor, in pretend play, in real activities. We follow your child’s lead and build skills around what they’re already interested in.
Naturalistic teaching
Skills get taught in real moments — meals, transitions, sibling play — not drilled at a table. That’s how they generalize and stick.
BCBA in the room
Your child’s behavior analyst isn’t supervising from a distance. They’re there for sessions, watching, adjusting, coaching the team in the moment.
Family-led goals
You tell us what matters most. “I want her to ask for help.” “We want bedtime to stop being a fight.” Plans get built around your priorities, not a textbook.
ACROSS Arizona
Mesa
Whether you’re walking to the shops at Dana Park or driving in from Gilbert, our team meets families where they are.
Mesa NEIGHBORHOODS
- Dana Park
- Superstition Springs
- Alta Mesa
- Dobson Ranch
- Red Mountain Ranch
- Las Sendas
- Mesa Grande
- Eastmark
Arizona cities
- Maricopa
- Pinal
- Gila
- Yavapai
- La Paz
- Yuma
- Pima
- Coconino
OUR APPROACH
Real families.Real progress.
Sessions happen on the floor, in pretend play, in real activities. We follow your child’s lead and build skills around what they’re already interested in.
Jestony P.
The team handled all the Medicaid paperwork. We just showed up to the first session, and our daughter felt at home that day.
Sarah M.
We’ve seen real progress in language and play. The therapists are warm and consistent — exactly what our son needed.
David & Rachel B.
OUR APPROACH
Frequentlyasked.
Our Mesa center serves children ages 18 months through 6 years — our early intervention specialty. In-home ABA across Arizona County serves children ages 18 months through 17. Learn more about our center program.
We complete a free benefits check within 24 hours of your first call. From there, a BCBA assessment is scheduled and a personalized plan is built before sessions begin. Total timeline depends on insurance authorization and your family’s availability.
Yes. We offer in-home ABA throughout Arizona. See how in-home ABA works.
Yes. Arizona Medicaid covers ABA therapy for children with an autism diagnosis, and The Treetop is in network. Our team verifies benefits before your child begins. Call us to learn more about your coverage.
Center-based ABA at our Mesa location offers structured learning, peer practice, and school-readiness routines. In-home ABA teaches skills in your child’s real daily routines and is often best for younger children or families with travel barriers.
Yes. ABA is recognized as an evidence-based treatment for autism by the U.S. Surgeon General, the American Academy of Pediatrics, and the National Institutes of Health.
That is determined by a BCBA assessment. Most children receive between 10 and 40 hours per week, calibrated to age, goals, and family availability.
BEYOND ABA
Local Mesa
A short list of trusted Arizona County resources our clinical team recommends.
Encircle Families
Arizona’s parent center: IEP advocacy, training, and disability resources.
City of Mesa Adaptive Recreation
Adaptive sports and social programs for youth with disabilities.
Arizona Early Intervention Program (AzEIP)
Birth-to-three early intervention services across Arizona.
Autism Society of Greater Phoenix
Local autism support groups, events, and family connections.
AFTER YOU REACH OUT
Three simple steps to your first session.
Send your insurance card
Free 24-hour benefits check. No commitment.
Meet your BCBA
Comprehensive assessment and a plan built around your child’s strengths and your family’s goals.
First session
At our Mesa center or in-home, whichever fits your family. Ongoing parent coaching and progress reviews follow.
YOUR CHILD, OUR PROMISE
Ready to start in Mesa?
Send your insurance card and we’ll tell you exactly what’s covered and what to expect, usually within 24 hours.
- Center-based, in-home, and school-based programs
- Aetna, American Indian Health Program, Arizona Complete (Medicaid), Banner University (Medicaid), Blue Cross Blue Shield, Champ VA, Health Choice (Medicaid), Mercy Care (Medicaid)
- BCBA-led, evidence-based, family-coached
we respond within one business day
Updated May 15, 2026 · Reviewed by Jamie M. Severtson, PhD, BCBA-D
Free benefits check
Send us your insurance details. We will tell you exactly what is covered, usually within one business day.