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 provides Psychologist services 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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