Abigail Nusbaum
Last updated: April 17, 2026
Portsmouth, NH
ABA Therapy
Accepting Patients
Provider Details
- NPI Number
- 1336481738
- Service Setting
- In-Clinic
- Languages
- English
Verify credentials independently
Cross-check this provider's NPI and professional credentials at the official public registries.
- NPI Registry (CMS NPPES) — federal provider identifier database
FindKidTherapy verifies NPI status and professional licensure at intake. Read our verification policy.
Specialties
Other Therapists in Portsmouth
View all therapists in Portsmouth →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.
ABA Therapy: A Complete Parent's Guide
ABA therapy basics, choosing a BCBA, insurance coverage.
Read guide →
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 →
Understanding ABA Controversies: A Balanced Look
Read guide →
ABA Therapy for Adolescents: When It's Still a Fit
Read guide →