DR. DEWEY J. ERTZ ED.D.
NPI 1164606570
Psychologist in Rapid City, SD

Active since December 20, 2007
3601 CANYON LAKE DR, RAPID CITY, SD 57702(605) 341-8647(605) 341-0489 Get Directions Write a Review

NPPES record last updated: December 20, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Dewey J. Ertz Ed.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DEWEY J. ERTZ ED.D. (NPI 1164606570) is an individual psychologist in Rapid City, South Dakota, licensed in South Dakota (123) and active in the NPI registry since December 2007.

NPPES Registry Identity

NPI1164606570
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameDR. DEWEY J. ERTZCredential: ED.D.
Location Address3601 CANYON LAKE DRRapid City, SD 57702-3900
Mailing Address3601 Canyon Lake DrRapid City, SD 57702-3900 · (605) 341-8647 · Fax (605) 341-0489
Fax(605) 341-0489
Sole ProprietorNo
Enumeration DateDecember 20, 2007
NPI 1164606570 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 9

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License Licensed in SD · 123
Definition
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
Also ListedCounselor · Addiction (Substance Use Disorder)Taxonomy 101YA0400X · License 123 (SD)
Also ListedPsychologist · ClinicalTaxonomy 103TC0700X · License 123 (SD)
Also ListedPsychologist · FamilyTaxonomy 103TF0000X · License 123 (SD)
Also ListedPsychologist · ForensicTaxonomy 103TF0200X · License 123 (SD)
Also ListedPsychologist · Intellectual and Developmental DisabilitiesTaxonomy 103TM1800X · License 123 (SD)
Also ListedPsychologist · Group PsychotherapyTaxonomy 103TP2701X · License 123 (SD)
Also ListedPsychologist · RehabilitationTaxonomy 103TR0400X · License 123 (SD)
Also ListedPsychologist · SchoolTaxonomy 103TS0200X · License 29664-02 (SD)
3601 CANYON LAKE DR, Rapid City, SD 57702

Other Identifiers 3

Medicaid6550193SD
Medicare PIN7928SD
Medicaid460461452-26NE

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Marriage & Family Therapist
3601 CANYON LAKE DR, CHRYSALIS
RAPID CITY, SD 57702
Psychologist (Clinical)
3601 CANYON LAKE DR
RAPID CITY, SD 57702
Social Worker
3601 CANYON LAKE DR
RAPID CITY, SD 57702
Marriage & Family Therapist
3601 CANYON LAKE DR
RAPID CITY, SD 57702
Social Worker (Clinical)
3601 CANYON LAKE DR
RAPID CITY, SD 57702

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Dewey Ertz's NPI number?

The NPI number for Dewey Ertz is 1164606570. It was assigned to this individual provider in the NPPES registry on December 20, 2007.

Where is Dewey Ertz located?

Dewey Ertz practices at 3601 Canyon Lake Dr, Rapid City, SD 57702. The listed phone number is (605) 341-8647.

What is Dewey Ertz's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

When was this NPI record last updated?

The NPPES record for Dewey Ertz was last updated on December 20, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.