Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Barbara Joyce Onderdonk, OTR, CHT

Individual provider Hand Occupational Therapist · NPI 1164520268

Barbara Joyce Onderdonk, OTR, CHT is a Hand Occupational Therapist in Northport, New York. Licensed in New York. Registered with an NPI since 2006.

Licensed in
NY
In the registry since
2006
What do these letters mean?
OTR — Occupational Therapist, Registered
A nationally registered occupational therapist.
CHT — Certified Hand Therapist
An occupational or physical therapist with advanced certification in hand and upper-limb rehabilitation.

See every abbreviation used in this directory →

Practice location Address checks out

79 Middleville Rd #117
Northport, NY 11768-2200
Phone: (631) 261-4400
Fax: (631) 266-6022
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hand Occupational Therapist (primary) Taxonomy 225XH1200X · Licence 001518 (NY)

Record details

NPI number1164520268
Entity typeIndividual (Type 1)
GenderFemale
Credentials OTR , CHT
Sole proprietorNo
NPI enumeratedSeptember 20, 2006
Last updated in NPPESJuly 16, 2007