Diann Ardessi, O.T.
Registered Occupational Therapist, recognized by American Occupational Therapy Association · NPI 1306179650 (Centers for Medicare & Medicaid Services)
Last updated: April 17, 2026
Fontana, CA
Occupational Therapy
Accepting Patients
Provider Details
- NPI Number
- 1306179650
- Credentials
- O.T.
- Service Setting
- In-Clinic
- Languages
- English
Specialties
Helpful Resources for Parents
Guides to help you decide if this type of therapy is right for your child, what to ask, and what to expect.
Finding the Right Pediatric Therapist for Your Child: A Parent's Complete Guide
How to vet credentials, what to ask at the first visit, and when to switch.
Read guide →
Pediatric Occupational Therapy: What Parents Need to Know
Fine motor, sensory, handwriting — what pediatric OT really does.
Read guide →
Daily Living Skills Therapy for Children
Read guide →
Fine Motor Delays: What Parents Can Do
Read guide →