John W. Larson, DMD
- Part D claims, 2024
- 48
- Industry payments
- $15
- Affiliated sites
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 1290 W Centennial Blvd, Springfield, OR 97477-3566
- Practice phone
- Call (541) 741-0602
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Centennial Family Dental
Physician office · Springfield, Oregon
Find John Larson's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
John W. Larson is a general practice dentistry in Eugene, Oregon
John Larson practices at Centennial Family Dental in Springfield, Oregon.
John Larson's NPI, 1427125467, was assigned on November 28, 2006. John Larson holds Oregon license 5438.
- NPI
- 1427125467NPI Registry (opens in a new tab)
- NPI enumeration date
- November 28, 2006
- NPI status
- Active
- Practice phone
- (541) 741-0602
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
John W. Larson practices in Springfield and Eugene
John Larson's primary practice is Centennial Family Dental, at 1290 W Centennial Blvd, Springfield, OR 97477-3566. The practice phone is (541) 741-0602. The NPI Registry lists John Larson's practice address as 920 Country Club Rd, Eugene, OR 97401.
- Centennial Family DentalPrimary1290 W Centennial Blvd, Springfield, OR 97477-3566Phone(541) 741-0602
- NPI Registry address920 Country Club Rd, Eugene, OR 97401 · Lane County
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
John W. Larson is affiliated with 1 site of care
John Larson's primary practice is Centennial Family Dental in Springfield, Oregon.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at John W. Larson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Larson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Centennial Family Dental | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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John W. Larson is one of 849 general practice dentistrys in Oregon
General practice is John Larson's primary specialty in the NPI Registry, under taxonomy code 1223G0001X. John Larson is licensed in Oregon.
Specialties and state licenses
- General practice dentistry, OregonPrimary
General practice dentistrys near John Larson
Counts of general practice dentistrys with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
John W. Larson's patients have a median age of 42
Across all payers, Dmand AI patient panel data puts John Larson's median patient age at 42, with 0% women.
John Larson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 42
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
John W. Larson wrote 48 Medicare Part D claims in 2024
In 2024, John Larson wrote 48 Medicare Part D claims for 33 patients. 100% of them were for generic drugs.
Drug classes CMS tracks in John Larson's Part D claims, 2024
- Antibiotics63%30 of 48 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
John W. Larson received $15 in industry payments in 2025
CMS Open Payments shows 1 general payment to John Larson from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. BioHorizons Implant Systems Inc. paid the most, $15.
Companies that paid John Larson the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for John W. Larson's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about John W. Larson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John W. Larson's NPI number?
John W. Larson's NPI number is 1427125467. It was assigned on November 28, 2006, and it is active in the NPI Registry.
What does John W. Larson specialize in?
John W. Larson is a general practice dentistry in Eugene, Oregon. The primary specialty in the NPI Registry is General Practice Dentistry (taxonomy code 1223G0001X).
Where does John W. Larson practice?
John Larson practices at 1290 W Centennial Blvd, Springfield, OR 97477-3566. John Larson also practices at 920 Country Club Rd, Eugene, OR 97401. John Larson's primary practice is Centennial Family Dental in Springfield, Oregon.
What is John W. Larson's office phone number?
The practice phone on file for John Larson is (541) 741-0602.
What is John W. Larson's medical license number?
John Larson holds Oregon license 5438.
Has John W. Larson received payments from drug or device companies?
CMS Open Payments shows $15 in general payments to John Larson from 1 company from 2025 to 2025. The largest total came from BioHorizons Implant Systems Inc.
How long has John W. Larson been practicing?
John Larson's NPI was assigned in 2006.
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