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

Regina Sioux Ertz, PHD

Individual provider Clinical Psychologist · NPI 1669957734

Regina Sioux Ertz, PHD is a Clinical Psychologist in Shawnee, Oklahoma. Licensed in Oklahoma. Registered with an NPI since 2018.

Licensed in
OK
In the registry since
2018
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

2307 Gordon Cooper Dr
Shawnee, OK 74801-9007
Phone: (405) 214-5101
Fax: (405) 878-5846
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 1319 (OK)

Record details

NPI number1669957734
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedSeptember 25, 2018
Last updated in NPPESSeptember 25, 2018

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