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

Paul A Hasak, PHD

Individual provider Clinical Psychologist · NPI 1356324099

Paul A Hasak, PHD is a Clinical Psychologist in Saint Louis, Missouri. Licensed in Missouri. Registered with an NPI since 2005.

Licensed in
MO
In the registry since
2005
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

777 S New Ballas Rd Ste 331E
Saint Louis, MO 63141-8705
Phone: (314) 569-0655
Fax: (314) 569-0605
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence R0022 (MO)

Record details

NPI number1356324099
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedNovember 28, 2005
Last updated in NPPESJuly 9, 2007

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