NPPES file of Aug 9, 2026

Harvey Dean Spieker, D.D.S.

General Practice Dentistry · Clark, SD

Harvey Dean Spieker, D.D.S. is a general practice dentistry with a practice address in Clark, South Dakota, and NPI 1104857440, issued on Jul 5, 2006. Check the license (South Dakota M435, 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
1104857440
Name
Harvey Dean Spieker
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
M435 SD
Self-reported in NPPES; status is on the state search
Practice location
312 1St Ave W, Clark, SD 57225
Phone
(605) 532-3636
Enumerated
Jul 5, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(605) 532-3934
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 312 1St Ave W

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

  1. Sandra Hovde, PTPhysical Therapist1720130115
  2. Ann Larson, PTPhysical Therapist1487706875
  3. Craig Spieker, D.D.S.General Practice Dentistry1457397812

Verify Harvey Dean Spieker 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 M435
    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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2 general practice dentistry records list a practice address in Clark

They are 2 of the 11 NPPES records with a practice address in Clark, and 318 general practice dentistry records in South Dakota. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other general practice dentistry records in South Dakota

  1. Aaron Aadland, D.D.S.Sioux Falls, SD1235283672
  2. Jason Aanenson, D.D.S.Freeman, SD1952473720
  3. Ian AiltsSioux Falls, SD1710817978
  4. Dara AlvandSioux Falls, SD1306546148
  5. Charles Anderson, DSPierre, SD1124034194
  6. Devren Anderson, DDSSioux Falls, SD1063575629
  7. Kurt Anderson, DDSRapid City, SD1700998374
  8. Larry Anderson, DDS, ABGDDeadwood, SD1699825190
  9. Matthew Anderson, DDSSioux Falls, SD1699390740
  10. Meaghan Anderson Neuberger, D.D.S.Sioux Falls, SD1336344837

Common questions

What is Harvey Dean Spieker, D.D.S.'s NPI number?

Harvey Dean Spieker, D.D.S.'s National Provider Identifier (NPI) is 1104857440, issued on Jul 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Harvey Dean Spieker, D.D.S. located?

The NPPES record lists a practice address at 312 1St Ave W, Clark, SD, 57225. Phone: (605) 532-3636. Providers update this record themselves, so call before visiting.

How can I verify Harvey Dean Spieker, D.D.S.'s license?

NPPES lists South Dakota license number M435, 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.