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

Dr. Gregory K. Popcak, PHD

Individual provider Clinical Social Worker · NPI 1588835284

Dr. Gregory K. Popcak, PHD is a Clinical Social Worker in Steubenville, Ohio. Practices as a sole proprietor. Licensed in Ohio.

Licensed in
OH
In the registry since
2008
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

234 Saint Joseph Dr
Steubenville, OH 43952-7988
Phone: (740) 266-6461
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence I.00088536 (OH)

Record details

NPI number1588835284
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedMarch 20, 2008
Last updated in NPPESMarch 20, 2008

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