Mary Hadler, OTR/L
Registered Occupational Therapist, Licensed, recognized by National Board for Certification in Occupational Therapy · NPI 1245906866 (Centers for Medicare & Medicaid Services)
Last updated: April 17, 2026
Perryville, MO
Occupational Therapy
Accepting Patients
Provider Details
- NPI Number
- 1245906866
- Credentials
- OTR/L
- Service Setting
- In-Clinic
- Languages
- English
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- NPI Registry (CMS NPPES) — federal provider identifier database
- NBCOT Credential Verification — National Board for Certification in Occupational Therapy member directory
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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.
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Daily Living Skills Therapy for Children
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Fine Motor Delays: What Parents Can Do
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