Ivan H. Wolthuis, DMD
Dentist · Sweet Home, OR
Ivan H. Wolthuis, DMD is a dentist with a practice address in Sweet Home, Oregon, and NPI 1780675090, issued on Nov 4, 2005. Check the license (Oregon D7611, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ivan H. Wolthuis
- Credential
- DMD
- Primary taxonomy
- Dentist 122300000X
- License number
- D7611 OR
Self-reported in NPPES; status is on the state search - Practice location
- 1524 Long St, Sweet Home, OR 97386
- Phone
- (541) 367-2931
- Enumerated
- Nov 4, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (541) 367-2935
- Entity
- Type 1 · individual
8 nearest dentist records → All 1,246 in Oregon → Look up another NPI →
Also registered at 1524 Long St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kyle Dimond, DDSDentist1457666166
- Henry Wothuis, D.D.S.General Practice Dentistry1477614113
Verify Ivan H. Wolthuis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license D7611Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30% fewer Medicare Part D claims than the average dentist in 2024
60 Medicare Part D claims for 34 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin32 claims
- Chlorhexidine Gluconate14 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.
Ivan H. Wolthuis among 1,246 dentist records in Oregon
Ivan H. Wolthuis, DMD is one of 1,246 dentist records with a practice address in Oregon. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 62% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2026 · 68% 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 Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 dentist records list a practice address in Sweet Home
They are 2 of the 86 NPPES records with a practice address in Sweet Home, and 1,246 dentist records in Oregon.
All 1,246 in Oregon → Every provider in Sweet Home → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Kyle Dimond, DDSSweet Home, OR 973861457666166
- Aaron Baird, DDSStayton, OR 973831225445596
- Richard Davenport, DMDStayton, OR 973831477624732
- Fred Girod, DMDStayton, OR 973831821386467
- Roger Vansanten, D.D.S.Stayton, OR 973831487722195
- Lyndan Walle, DMDStayton, OR 973831114844750
- Michael Bliss, D.M.D.Silverton, OR 973811083940977
- Craig Ellison, DDSSilverton, OR 973811922119783
Common questions
What is Ivan H. Wolthuis, DMD's NPI number?
Ivan H. Wolthuis, DMD's National Provider Identifier (NPI) is 1780675090, issued on Nov 4, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ivan H. Wolthuis, DMD located?
The NPPES record lists a practice address at 1524 Long St, Sweet Home, OR, 97386. Phone: (541) 367-2931. Providers update this record themselves, so call before visiting.
How can I verify Ivan H. Wolthuis, DMD's license?
NPPES lists Oregon license number D7611, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does Ivan H. Wolthuis, DMD prescribe under Medicare Part D?
In 2024, Ivan H. Wolthuis, DMD had 60 Medicare Part D claims for 34 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.