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

Donald Willing, CSW-R

Individual provider Social Worker · NPI 1295133163

Donald Willing, CSW-R is a Social Worker in Islip, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2014

Practice location Address checks out

187 S Bay Ave
Islip, NY 11751-4418
Phone: (631) 277-2287
Show map & directions

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

Specialties & licences

Social Worker (primary) Taxonomy 104100000X · Licence 072472-1 (NY)

Record details

NPI number1295133163
Entity typeIndividual (Type 1)
GenderMale
Credentials CSW-R
Sole proprietorYes
NPI enumeratedDecember 9, 2014
Last updated in NPPESDecember 9, 2014

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