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

William D Hasek PHD PC

Organization Psychologist · NPI 1972165462

William D Hasek PHD PC is a Psychologist in Pittsburgh, Pennsylvania. Registered with an NPI since 2019.

In the registry since
2019
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

161 N Dithridge St
Pittsburgh, PA 15213-2646
Phone: (412) 218-0474
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X

Record details

NPI number1972165462
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official William Hasek — President/Owner · (410) 725-8074
NPI enumeratedJuly 3, 2019
Last updated in NPPESJanuary 9, 2025
Certification dateJanuary 9, 2025
Mailing address397 Maplewood Dr, Pittsburgh, PA 15243-1852

Other providers in Pittsburgh