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

Dr. Mark Karol Sowcik, PHD

Individual provider Psychologist · NPI 1972661031

Dr. Mark Karol Sowcik, PHD is a Psychologist in Luzerne, Pennsylvania. Practices as a sole proprietor. Licensed in Pennsylvania.

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

90 Main St
Luzerne, PA 18709-1210
Phone: (570) 714-3860
Fax: (570) 714-7594
Show map & directions

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PS-004971-L (PA)

Record details

NPI number1972661031
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedDecember 4, 2006
Last updated in NPPESJuly 8, 2007

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