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

Dr. Dewey J. Ertz, EDD

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1164606570

Dr. Dewey J. Ertz, EDD is an Addiction (Substance Use Disorder) Counselor in Rapid City, South Dakota. Licensed in South Dakota. Registered with an NPI since 2007.

Licensed in
SD
In the registry since
2007
Specialties on file
9
What do these letters mean?
EDD — Doctor of Education
A doctorate in education.

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Practice location Address checks out

3601 Canyon Lake Dr
Rapid City, SD 57702-3900
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

Psychologist (primary) Taxonomy 103T00000X · Licence 123 (SD)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · 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)
Group Psychotherapy Psychologist Taxonomy 103TP2701X · Licence 123 (SD)
Rehabilitation Psychologist Taxonomy 103TR0400X · Licence 123 (SD)
School Psychologist Taxonomy 103TS0200X · Licence 29664-02 (SD)

Record details

NPI number1164606570
Entity typeIndividual (Type 1)
GenderMale
Credentials EDD
Sole proprietorNo
NPI enumeratedDecember 20, 2007
Last updated in NPPESDecember 20, 2007

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