Jason Madsen, DDS
General Practice Dentistry · West Richland, WA
Jason Madsen, DDS is a general practice dentistry with a practice address in West Richland, Washington, and NPI 1538107156, issued on Jun 4, 2006. Check the license (Washington 9283, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jason Madsen
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 9283 WA
Self-reported in NPPES; status is on the state search - Practice location
- 4476 W Van Giesen St, West Richland, WA 99353
- Phone
- (509) 967-3421
- Enumerated
- Jun 4, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (509) 967-2186
- Medicaid ID
- 5046768 WA
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 3,196 in Washington → Look up another NPI →
Also registered at 4476 W Van Giesen St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Aaron Braginton, DMDDentist1578406849
- Cade JensenDentist1205767050
- Trevor Larson, DDSGeneral Practice Dentistry1245273044
- Michael Maxfield, DDSDentist1760796171
- Ronald Maxfield, DDSGeneral Practice Dentistry1801839329
- Wayne Penttila, DDSGeneral Practice Dentistry1326086034
Verify Jason Madsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license 9283Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% fewer Medicare Part D claims than the average general practice dentistry in 2024
75 Medicare Part D claims for 44 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. 17 claims were for opioids.
Most prescribed
- Amoxicillin43 claims
- Hydrocodone-Acetaminophen17 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.
Jason Madsen among 3,196 general practice dentistry records in Washington
Jason Madsen, DDS is one of 3,196 general practice dentistry records with a practice address in Washington. 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 5% of them.
- NPI issued2006 · 5% of these records are older, 59% 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 updated2026 · 72% 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 Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
7 general practice dentistry records list a practice address in West Richland
They are 7 of the 125 NPPES records with a practice address in West Richland, and 3,196 general practice dentistry records in Washington.
All 3,196 in Washington → Every provider in West Richland → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Spencer AllenWest Richland, WA 993531215870589
- James Bird, DDSWest Richland, WA 993531952696551
- Trevor Larson, DDSWest Richland, WA 993531245273044
- Ronald Maxfield, DDSWest Richland, WA 993531801839329
- Wayne Penttila, DDSWest Richland, WA 993531326086034
- Jeffrey Schroeder, DDSWest Richland, WA 993531073556940
- Doosu Baik, DDSRichland, WA 993521669983961
- Lawrence Braithwaite, DMDRichland, WA 993521235398710
Common questions
What is Jason Madsen, DDS's NPI number?
Jason Madsen, DDS's National Provider Identifier (NPI) is 1538107156, issued on Jun 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jason Madsen, DDS located?
The NPPES record lists a practice address at 4476 W Van Giesen St, West Richland, WA, 99353. Phone: (509) 967-3421. Providers update this record themselves, so call before visiting.
How can I verify Jason Madsen, DDS's license?
NPPES lists Washington license number 9283, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Jason Madsen, DDS prescribe under Medicare Part D?
In 2024, Jason Madsen, DDS had 75 Medicare Part D claims for 44 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.