Lars Bjorn Jonsson, DDS
Endodontics · Laguna Hills, CA
Lars Bjorn Jonsson, DDS is an endodontics with a practice address in Laguna Hills, California, and NPI 1093809113, issued on Oct 3, 2006. Check the license (California 48924, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Lars Bjorn Jonsson
- Credential
- DDS
- Primary taxonomy
- Endodontics 1223E0200X
- License number
- 48924 CA
Self-reported in NPPES; status is on the state search - Practice location
- 25261 Paseo DE Valencia, Laguna Hills, CA 92637
- Phone
- (949) 581-8890
- Enumerated
- Oct 3, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (949) 581-3902
- Entity
- Type 1 · individual
8 nearest endodontics records → All 1,018 in California → Look up another NPI →
Also registered at 25261 Paseo DE Valencia
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Duell, DDSProsthodontics1841311370
- Steven McNicholas, DDS MSEndodontics1396839494
- Mark Redd, D.D.SPeriodontics1962591644
- Leslie Werksman, DDSEndodontics1942394069
- Frank Wilkinson, DDSEndodontics1760576854
- Aline Yaghsezian, DDSPeriodontics1780359828
Verify Lars Bjorn Jonsson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 48924Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% more Medicare Part D claims than the average endodontics in 2024
222 Medicare Part D claims for 180 beneficiaries, against an average of 121 among the 4,119 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin159 claims
- Clindamycin Hcl30 claims
- Chlorhexidine Gluconate12 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.
Lars Bjorn Jonsson among 1,018 endodontics records in California
Lars Bjorn Jonsson, DDS is one of 1,018 endodontics records with a practice address in California. 68% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 73% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 78% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223E0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endodontics providers in California
There are 1,018 endodontics records in California.
All 1,018 in California → Every provider in Laguna Hills → Endodontics nationwide →
The 8 endodontics records with the nearest ZIP codes
- Steven McNicholas, DDS MSLaguna Hills, CA 926371396839494
- Leslie Werksman, DDSLaguna Hills, CA 926371942394069
- Frank Wilkinson, DDSLaguna Hills, CA 926371760576854
- Seyed Reza Izadi Dehkordi, DDSLake Forest, CA 926301457426777
- Sahil Patadia, DDSLake Forest, CA 926301669125746
- Joseph Shilkofski, D.M.DLake Forest, CA 926301477700581
- Jane ShinLake Forest, CA 926301114327947
- Douglas Szeto, D.M.D.Lake Forest, CA 926301083789309
Common questions
What is Lars Bjorn Jonsson, DDS's NPI number?
Lars Bjorn Jonsson, DDS's National Provider Identifier (NPI) is 1093809113, issued on Oct 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lars Bjorn Jonsson, DDS located?
The NPPES record lists a practice address at 25261 Paseo DE Valencia, Laguna Hills, CA, 92637. Phone: (949) 581-8890. Providers update this record themselves, so call before visiting.
How can I verify Lars Bjorn Jonsson, DDS's license?
NPPES lists California license number 48924, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Lars Bjorn Jonsson, DDS prescribe under Medicare Part D?
In 2024, Lars Bjorn Jonsson, DDS had 222 Medicare Part D claims for 180 beneficiaries; the average among endodontics prescribers was 121. 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.