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

Dr. Leslie John Williams, PHD

Individual provider Psychologist · NPI 1649303553

Dr. Leslie John Williams, PHD is a Psychologist in Springfield, New Jersey. Practices as a sole proprietor. Licensed in New Jersey.

Licensed in
NJ
In the registry since
2007
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

55 Morris Ave Ste 108
Springfield, NJ 07081-1426
Phone: (973) 218-0555
Fax: (973) 218-9595
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence SI002551 (NJ)

Record details

NPI number1649303553
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedMarch 13, 2007
Last updated in NPPESJuly 8, 2007
Mailing address55 Morris Ave, Suite 108, Springfield, NJ 07081-1426

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