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

Dr. Ronald Raymond Zelazowski, PHD

Individual provider Psychologist · NPI 1770797086

Dr. Ronald Raymond Zelazowski, PHD is a Psychologist in Warren, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2007.

Licensed in
PA
In the registry since
2007
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

315 Second Ave Ste 209
Warren, PA 16365-2434
Phone: (814) 726-9798
Show map & directions

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PS004379L (PA)

Record details

NPI number1770797086
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedMay 9, 2007
Last updated in NPPESJuly 8, 2007

Other providers in Warren