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

Steven H Williams, PHD

Individual provider Psychologist · NPI 1437260452

Steven H Williams, PHD is a Psychologist in Harrisburg, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2006.

Licensed in
PA
In the registry since
2006
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

5405 Jonestown Rd Ste 103
Harrisburg, PA 17112-4021
Phone: (717) 671-9520
Show map & directions

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PS005457L (PA)

Record details

NPI number1437260452
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedAugust 31, 2006
Last updated in NPPESJuly 8, 2007
Mailing address505 Spring House Rd, Camp Hill, PA 17011-1455

Other providers in Harrisburg