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

Dr. Katherine Leigh-Guyon Harris, PHD

Individual provider Clinical Psychologist · NPI 1518321850

Dr. Katherine Leigh-Guyon Harris, PHD is a Clinical Psychologist in Pittsburgh, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2016.

Licensed in
PA
In the registry since
2016
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

3420 5th Ave
Pittsburgh, PA 15213-3205
Phone: (412) 692-6000
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PS019004 (PA)

Record details

NPI number1518321850
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedApril 13, 2016
Last updated in NPPESJanuary 28, 2023
Certification dateJanuary 28, 2023

Other providers in Pittsburgh