Walter W. Casper, DMD
Dentist · Sisseton, SD
Walter W. Casper, DMD is a dentist with a practice address in Sisseton, South Dakota, and NPI 1427277698, issued on Apr 25, 2007. Check the license with the South Dakota board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Walter W. Casper
- Credential
- DMD
- Primary taxonomy
- Dentist 122300000X
- License numbers
- 22DIO1895600 NJ
22DI01895600 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 100 Lake Traverse Dr, Sisseton, SD 57262
- Phone
- (605) 698-7606
- Enumerated
- Apr 25, 2007
- Record last updated
- Apr 1, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest dentist records → All 235 in South Dakota → Look up another NPI →
Also registered at 100 Lake Traverse Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Candace Anderson, BS,MT(ASCP)Medical Illustrator1457517799
- Stellar Anonye Achampong, MDPediatrics Physician1710023940
- Harvey Baker, ARNPFamily Nurse Practitioner1689672248
- Julia Barse, RNRegistered Nurse1609216639
Verify Walter W. Casper in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich South Dakota board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average dentist in 2024
25 Medicare Part D claims for 18 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin11 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.
Walter W. Casper among 235 dentist records in South Dakota
Walter W. Casper, DMD is one of 235 dentist 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 2007, is newer than 27% of them.
- NPI issued2007 · 27% of these records are older, 57% newer
- In a Medicare fileYes · 60% of these records are
- In the CMS Doctors and Clinicians fileNo · 1% of these records are
- Record last updated2019 · 70% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 dentist records list a practice address in Sisseton
They are 5 of the 147 NPPES records with a practice address in Sisseton, and 235 dentist records in South Dakota.
All 235 in South Dakota → Every provider in Sisseton → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Mitchel Bernstein, DDSSisseton, SD 572621437440096
- Edward Chaney, DDSSisseton, SD 572621326207291
- Kiafar Haghkerdar, D.M.D.Sisseton, SD 572621164697025
- Kimberly Moore, DDSSisseton, SD 572621538343421
- William Baune, DDSRosholt, SD 572601508389230
- Mark Bierschbach, DDSMilbank, SD 572521083606180
- Lamar Koistinen, DDSDe Smet, SD 572311134567746
- Solomon Nair, DMDClear Lake, SD 572261093239873
Common questions
What is Walter W. Casper, DMD's NPI number?
Walter W. Casper, DMD's National Provider Identifier (NPI) is 1427277698, issued on Apr 25, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Walter W. Casper, DMD located?
The NPPES record lists a practice address at 100 Lake Traverse Dr, Sisseton, SD, 57262. Phone: (605) 698-7606. Providers update this record themselves, so call before visiting.
How can I verify Walter W. Casper, DMD's license?
Search the South Dakota board that licenses this profession; the NPPES record confirms identity only.
How much does Walter W. Casper, DMD prescribe under Medicare Part D?
In 2024, Walter W. Casper, DMD had 25 Medicare Part D claims for 18 beneficiaries; the average among dentist prescribers was 86. 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.