John W. Larson, DMD
General Practice Dentistry · Springfield, OR
John W. Larson, DMD is a general practice dentistry with a practice address in Springfield, Oregon, and NPI 1427125467, issued on Nov 28, 2006. Check the license (Oregon 5438, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John W. Larson
- Credential
- DMD
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 5438 OR
Self-reported in NPPES; status is on the state search - Practice location
- 1290 W Centennial Blvd, Springfield, OR 97477
- Phone
- (541) 741-0602
- Enumerated
- Nov 28, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (541) 741-0615
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 1,888 in Oregon → Look up another NPI →
Verify John W. Larson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license 5438Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% fewer Medicare Part D claims than the average general practice dentistry in 2024
48 Medicare Part D claims for 33 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin21 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.
Industry payments in 2024: $37.94
2 payments; by number, the most common kind was food and beverage; the largest payer was Ultradent Products Inc. The 41,669 providers of this specialty with any payment received $597.01 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
John W. Larson among 1,888 general practice dentistry records in Oregon
John W. Larson, DMD is one of 1,888 general practice dentistry records with a practice address in Oregon. 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 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 55% newer
- In a Medicare fileYes · 60% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 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 1223G0001X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
34 general practice dentistry records list a practice address in Springfield
They are 34 of the 2,209 NPPES records with a practice address in Springfield, and 1,888 general practice dentistry records in Oregon.
All 1,888 in Oregon → Every provider in Springfield → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Michael Bagaason, DMDSpringfield, OR 974771952482770
- Linda Bullock, D.M.D.Springfield, OR 974771629061692
- Douglas Dow, D.M.D.Springfield, OR 974771972500114
- Cedric Hayden, DDSSpringfield, OR 974771073596987
- Thomas Huhn, D.D.S.Springfield, OR 974771205833373
- Larry Laurinat, DMDSpringfield, OR 974771811978570
- Lonn Robertson, DMDSpringfield, OR 974771801889084
- John Schilt, D.D.S.Springfield, OR 974771700845674
Common questions
What is John W. Larson, DMD's NPI number?
John W. Larson, DMD's National Provider Identifier (NPI) is 1427125467, issued on Nov 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John W. Larson, DMD located?
The NPPES record lists a practice address at 1290 W Centennial Blvd, Springfield, OR, 97477. Phone: (541) 741-0602. Providers update this record themselves, so call before visiting.
How can I verify John W. Larson, DMD's license?
NPPES lists Oregon license number 5438, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does John W. Larson, DMD prescribe under Medicare Part D?
In 2024, John W. Larson, DMD had 48 Medicare Part D claims for 33 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.