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

Dr. William J Ruth, PHD

Individual provider School Counselor · NPI 1639458789

Dr. William J Ruth, PHD is a School Counselor in Hartsdale, New York. Works from 2 locations. Licensed in New York.

Licensed in
NY
In the registry since
2011
Specialties on file
2
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

280 N Central Ave Ste 45
Hartsdale, NY 10530
Phone: (914) 602-9241
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 280 N Central Ave Ste 45, Hartsdale, NY 10530 — (914) 602-9241

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 009547 (NY)
School Counselor Taxonomy 101YS0200X · Licence 009547 (NY)

Record details

NPI number1639458789
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedAugust 8, 2011
Last updated in NPPESNovember 5, 2019