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

Psychological Evaluation Therapy & Research Ltd

Organization Psychologist · NPI 1790709145

Psychological Evaluation Therapy & Research Ltd is a Psychologist in Rapid City, South Dakota. Licensed in South Dakota. Registered with an NPI since 2006.

Licensed in
SD
In the registry since
2006
Specialties on file
8
What do these letters mean?
Ltd — Limited
A form of business registration, not a clinical qualification.

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Practice location Address checks out

3601 Canyon Lake Dr
Rapid City, SD 57702
Phone: (605) 341-8647
Fax: (605) 341-0489
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

School Psychologist (primary) Taxonomy 103TS0200X · Licence 123 (SD)
Psychologist Taxonomy 103T00000X · Licence 123 (SD)
Addiction (Substance Use Disorder) Psychologist Taxonomy 103TA0400X · Licence 123 (SD)
Clinical Psychologist Taxonomy 103TC0700X · Licence 123 (SD)
Family Psychologist Taxonomy 103TF0000X · Licence 123 (SD)
Forensic Psychologist Taxonomy 103TF0200X · Licence 123 (SD)
Intellectual & Developmental Disabilities Psychologist Taxonomy 103TM1800X · Licence 123 (SD)
Rehabilitation Psychologist Taxonomy 103TR0400X · Licence 123 (SD)

Record details

NPI number1790709145
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Dewey Ertz — President Psychologist · (605) 341-8647
NPI enumeratedJuly 27, 2006
Last updated in NPPESSeptember 11, 2025
Mailing address3601 Canyon Lake Drive, Rapid City, SD 57702

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