NPPES file of Aug 9, 2026

William Harold Blauer, DDS

General Practice Dentistry · Spearfish, SD

William Harold Blauer, DDS is a general practice dentistry with a practice address in Spearfish, South Dakota, and NPI 1164097531, issued on May 26, 2021. Check the license (South Dakota D1382, as entered in NPPES) with the South Dakota board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1164097531
Name
William Harold Blauer
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
License numbers
D1382 SD
D-5276 ID
Self-reported in NPPES; status is on the state search
Practice location
1440 N 10TH St, Spearfish, SD 57783
Phone
(605) 642-5767
Enumerated
May 26, 2021
Record last updated
Dec 5, 2022
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 1440 N 10TH St

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

  1. Glen Sachau, DDSGeneral Practice Dentistry1518912914

Verify William Harold Blauer 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 D1382
    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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30% fewer Medicare Part D claims than the average general practice dentistry in 2024

58 Medicare Part D claims for 36 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.

  1. William Blauer58
  2. Specialty average83

Most prescribed

  1. Amoxicillin29 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $13.07

1 payment: food and beverage; the largest payer was Elevate Oral Care. The 41,669 providers of this specialty with any payment received $597.01 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Blauer$13.07
  2. Specialty average$597.01

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

William Harold Blauer among 318 general practice dentistry records in South Dakota

William Harold Blauer, DDS is one of 318 general practice dentistry records with a practice address in South Dakota. 60% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 84% of them.

  • NPI issued2021 · 84% of these records are older, 14% newer
  • In a Medicare fileYes · 60% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2022 · 73% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

7 general practice dentistry records list a practice address in Spearfish

They are 7 of the 382 NPPES records with a practice address in Spearfish, and 318 general practice dentistry records in South Dakota.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Michael Dana, D.D.S., P.C.Spearfish, SD 577831235353095
  2. Bradly Dana, D.D.S.Spearfish, SD 577831285858050
  3. Nicole Dana, D.D.S.Spearfish, SD 577831083838858
  4. Monique Dana, DDSSpearfish, SD 577831033315072
  5. Jonathan Reth, D.D.S.Spearfish, SD 577831598925158
  6. Glen Sachau, DDSSpearfish, SD 577831518912914
  7. Megan Beckwith, D.M.D.Sturgis, SD 577851790038784
  8. Brian Hettinger, DDSSturgis, SD 577851144899436

Common questions

What is William Harold Blauer, DDS's NPI number?

William Harold Blauer, DDS's National Provider Identifier (NPI) is 1164097531, issued on May 26, 2021. An NPI identifies a provider in billing; it is not a license.

Where is William Harold Blauer, DDS located?

The NPPES record lists a practice address at 1440 N 10TH St, Spearfish, SD, 57783. Phone: (605) 642-5767. Providers update this record themselves, so call before visiting.

How can I verify William Harold Blauer, DDS's license?

NPPES lists South Dakota license number D1382, as entered by the provider. Search the South Dakota board that licenses this profession; the NPPES record confirms identity only.

How much does William Harold Blauer, DDS prescribe under Medicare Part D?

In 2024, William Harold Blauer, DDS had 58 Medicare Part D claims for 36 beneficiaries; the average among general practice dentistry prescribers was 83. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. 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.