Ivan M. Larsen, D.M.D
Endodontics · Jefferson City, MO
Ivan M. Larsen, D.M.D is an endodontics with a practice address in Jefferson City, Missouri, and NPI 1285185355, issued on Oct 24, 2016. Check the license (Missouri 2019008323, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ivan M. Larsen
- Credential
- D.M.D
- Primary taxonomy
- Endodontics 1223E0200X
- License numbers
- 2019008323 MO
D-4797 ID
Self-reported in NPPES; status is on the state search - Practice location
- 1002 Diamond Rdg Ste 1500, Jefferson City, MO 65109
- Phone
- (573) 298-4400
- Enumerated
- Oct 24, 2016
- Record last updated
- Sep 28, 2022
- Entity
- Type 1 · individual
8 nearest endodontics records → All 77 in Missouri → Look up another NPI →
Also registered at 1002 Diamond Rdg Ste 1500
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Erick Jansson, DDSEndodontics1184931065
Verify Ivan M. Larsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 2019008323Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average endodontics in 2024
24 Medicare Part D claims for 18 beneficiaries, against an average of 121 among the 4,119 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin14 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 M. Larsen among 77 endodontics records in Missouri
Ivan M. Larsen, D.M.D is one of 77 endodontics records with a practice address in Missouri. 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 2016, is newer than 83% of them.
- NPI issued2016 · 83% of these records are older, 10% newer
- In a Medicare fileYes · 62% of these records are
- In the CMS Doctors and Clinicians fileNo · 0% 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 1223E0200X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endodontics providers in Missouri
There are 77 endodontics records in Missouri.
All 77 in Missouri → Every provider in Jefferson City → Endodontics nationwide →
The 8 endodontics records with the nearest ZIP codes
- Erick Jansson, DDSJefferson City, MO 651091184931065
- Warren Lawson, DDS, MSDColumbia, MO 652031285760686
- David Galvan, D.D.SRolla, MO 654011104897628
- Bradley Laird, DDSJoplin, MO 648041437357282
- Maliheh Nikzad, DDS, MSCJoplin, MO 648041497628184
- Leland Kimball, DDSFort Leonard Wood, MO 654731417039967
- Orsure Stokes, DMDFort Leonard Wood, MO 654731699752428
- Ryan Trautmann, DDSFort Leonard Wood, MO 654731215388954
Common questions
What is Ivan M. Larsen, D.M.D's NPI number?
Ivan M. Larsen, D.M.D's National Provider Identifier (NPI) is 1285185355, issued on Oct 24, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Ivan M. Larsen, D.M.D located?
The NPPES record lists a practice address at 1002 Diamond Rdg Ste 1500, Jefferson City, MO, 65109. Phone: (573) 298-4400. Providers update this record themselves, so call before visiting.
How can I verify Ivan M. Larsen, D.M.D's license?
NPPES lists Missouri license number 2019008323, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
How much does Ivan M. Larsen, D.M.D prescribe under Medicare Part D?
In 2024, Ivan M. Larsen, D.M.D had 24 Medicare Part D claims for 18 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.