Stefan Charles Van Harmelen, D.D.S.
General Practice Dentistry · Atascadero, CA
Stefan Charles Van Harmelen, D.D.S. is a general practice dentistry with a practice address in Atascadero, California, and NPI 1215968912, issued on Jul 5, 2006. Check the license (California 36847, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Stefan Charles Van Harmelen
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 36847 CA
Self-reported in NPPES; status is on the state search - Practice location
- 8360 Morro RD, Atascadero, CA 93422
- Phone
- (805) 466-6636
- Enumerated
- Jul 5, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (805) 466-5720
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →
Verify Stefan Charles Van Harmelen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 36847Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% fewer Medicare Part D claims than the average general practice dentistry in 2024
56 Medicare Part D claims for 43 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin35 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.
Stefan Charles Van Harmelen among 17,852 general practice dentistry records in California
Stefan Charles Van Harmelen, D.D.S. is one of 17,852 general practice dentistry records with a practice address in California. 57% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 71% newer
- In a Medicare fileYes · 57% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 79% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
14 general practice dentistry records list a practice address in Atascadero
They are 14 of the 992 NPPES records with a practice address in Atascadero, and 17,852 general practice dentistry records in California.
All 17,852 in California → Every provider in Atascadero → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Ronald Arnoldsen, DDSAtascadero, CA 934221215064639
- Richard Boone, DDSAtascadero, CA 934221629157664
- Dwayne Burbach, DDSAtascadero, CA 934221972729077
- Charles Farr, D.M.D.Atascadero, CA 934221225054851
- Fred Krey, D.D.S.Atascadero, CA 934221598987034
- Micheal Lew, D.M.D.Atascadero, CA 934221376642934
- Brack Linscott, DDSAtascadero, CA 934221437253564
- Douglas Lock, D.D.S.Atascadero, CA 934221710193628
Common questions
What is Stefan Charles Van Harmelen, D.D.S.'s NPI number?
Stefan Charles Van Harmelen, D.D.S.'s National Provider Identifier (NPI) is 1215968912, issued on Jul 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stefan Charles Van Harmelen, D.D.S. located?
The NPPES record lists a practice address at 8360 Morro RD, Atascadero, CA, 93422. Phone: (805) 466-6636. Providers update this record themselves, so call before visiting.
How can I verify Stefan Charles Van Harmelen, D.D.S.'s license?
NPPES lists California license number 36847, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Stefan Charles Van Harmelen, D.D.S. prescribe under Medicare Part D?
In 2024, Stefan Charles Van Harmelen, D.D.S. had 56 Medicare Part D claims for 43 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.