NPPES file of Aug 9, 2026

Dewey J. Ertz, ED.D.

Psychologist · Rapid City, SD

Dewey J. Ertz, ED.D. is a psychologist with a practice address in Rapid City, South Dakota, and NPI 1164606570, issued on Dec 20, 2007. Check the license (South Dakota 123, as entered in NPPES) with the South Dakota board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1164606570
Name
Dewey J. Ertz
Credential
ED.D.
Primary taxonomy
Psychologist 103T00000X
License numbers
123 SD
29664-02 SD
Self-reported in NPPES; status is on the state search
Practice location
3601 Canyon Lake Dr, Rapid City, SD 57702
Phone
(605) 341-8647
Enumerated
Dec 20, 2007
Record last updated
Dec 20, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(605) 341-0489
Medicaid IDs
6550193 SD
460461452-26 NE
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 3601 Canyon Lake Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Geri Konenkamp, LPC LMFTMarriage & Family Therapist1952314189
  2. William Moss, PSY.D.Clinical Psychologist1629048483
  3. Linda Thoreson-Holcomb, MSWSocial Worker1881664860
  4. Colleen Waxler, MA LPC MH LMFTMarriage & Family Therapist1548230956

Verify Dewey J. Ertz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich South Dakota board licenses this profession
    Search for license 123
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the South Dakota license search

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Psychologist providers in South Dakota

There are 92 psychologist records in South Dakota. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other psychologist records in South Dakota

  1. Douglas Anderson, PSYDSioux Falls, SD1750381851
  2. Robert Arnio, PH.D.Rapid City, SD1801861034
  3. Justine Ashokar, PH.D.Rapid City, SD1790222008
  4. Kyle BabbBrandon, SD1154772101
  5. Donald Baum, PHDSioux Falls, SD1982865754
  6. Christi Bostwick, PHDSioux Falls, SD1811139785
  7. Melissa Boyer, PSY.D.Pierre, SD1649423740
  8. Larry Brendtro, PH.D.Lennox, SD1881104859
  9. Kimberly Bulava, PSYDSturgis, SD1558666578
  10. Katherine Davidson, ED.S.Brandon, SD1225480023

Common questions

What is Dewey J. Ertz, ED.D.'s NPI number?

Dewey J. Ertz, ED.D.'s National Provider Identifier (NPI) is 1164606570, issued on Dec 20, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Dewey J. Ertz, ED.D. located?

The NPPES record lists a practice address at 3601 Canyon Lake Dr, Rapid City, SD, 57702. Phone: (605) 341-8647. Providers update this record themselves, so call before visiting.

How can I verify Dewey J. Ertz, ED.D.'s license?

NPPES lists South Dakota license number 123, as entered by the provider. Search the South Dakota board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.