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

Dr. Joseph William Knox, PHD

Individual provider Health Service Psychologist · NPI 1336268069

Dr. Joseph William Knox, PHD is a Health Service Psychologist in Newtown Square, Pennsylvania. Practices as a sole proprietor. Licensed in Pennsylvania.

Licensed in
PA
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.

See every abbreviation used in this directory →

Practice location Address checks out

1000 Cedar Knls
Newtown Square, PA 19073-2808
Phone: (610) 999-6424
Show map & directions

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

Specialties & licences

Health Service Psychologist (primary) Taxonomy 103TH0100X · Licence PSOO2581 (PA)

Record details

NPI number1336268069
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedMarch 27, 2007
Last updated in NPPESJuly 8, 2007
Mailing address1000 Cedar Knls, Newtown Square, PA 19073-2808