Lon Sidney Welch, M.D.
Diagnostic Radiology Physician · Kennewick, WA
Lon Sidney Welch, M.D. is a diagnostic radiology physician with a practice address in Kennewick, Washington, and NPI 1528172400, issued on Aug 18, 2006. Check the license (Washington MD00037821, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Lon Sidney Welch
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- MD00037821 WA
Self-reported in NPPES; status is on the state search - Practice location
- 7221 W Deschutes Ave, Kennewick, WA 99336
- Phone
- (509) 374-4030
- Enumerated
- Aug 18, 2006
- Record last updated
- Sep 3, 2024
- Fax
- (509) 374-8690
- Medicaid IDs
- 1012649 WA
8244824 WA - Medicare enrollment
- Enrolled (PECOS I20110113001231); accepts Medicare assignment
- Medical or professional school
- University Of North Dakota School Of Medicine, 1995
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 1,041 in Washington → Look up another NPI →
Also registered at 7221 W Deschutes Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Clarence May, MDDiagnostic Radiology Physician1871694059
- Steven Sunderland, MDDiagnostic Radiology Physician1194839068
Verify Lon Sidney Welch in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00037821Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Medical Imaging Northwest - Good Samaritan Hospital Imaging AllianceHolladay, UT
- Tra-Minw P STacoma, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lon Sidney Welch among 1,041 diagnostic radiology physician records in Washington
Lon Sidney Welch, M.D. is one of 1,041 diagnostic radiology physician records with a practice address in Washington. 67% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 49% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1995 · median 2004 among the 682 with a school on file
- Record last updated2024 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Diagnostic Radiology Physician providers in Washington
There are 1,041 diagnostic radiology physician records in Washington.
All 1,041 in Washington → Every provider in Kennewick → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Alan Ford, MDKennewick, WA 993361679680532
- Clarence May, MDKennewick, WA 993361871694059
- Sandip Patidar, MDKennewick, WA 993361063463784
- Steven Sunderland, MDKennewick, WA 993361194839068
- Dwane Brittain, M.D.Richland, WA 993521316055015
- Craig Feeney, MDRichland, WA 993521457386724
- Timothy Gormley, MDRichland, WA 993521043200686
- Scott Hammersmith, M.D.Richland, WA 993521144338864
Common questions
What is Lon Sidney Welch, M.D.'s NPI number?
Lon Sidney Welch, M.D.'s National Provider Identifier (NPI) is 1528172400, issued on Aug 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lon Sidney Welch, M.D. located?
The NPPES record lists a practice address at 7221 W Deschutes Ave, Kennewick, WA, 99336. Phone: (509) 374-4030. Providers update this record themselves, so call before visiting.
How can I verify Lon Sidney Welch, M.D.'s license?
NPPES lists Washington license number MD00037821, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.