Matthew S. Clegg, D.D.S., M.S.
Endodontics · Clarkston, WA
Matthew S. Clegg, D.D.S., M.S. is an endodontics with a practice address in Clarkston, Washington, and NPI 1336122118, issued on Nov 25, 2005. Check the license (Washington DE00010180, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Matthew S. Clegg
- Credential
- D.D.S., M.S.
- Primary taxonomy
- Endodontics 1223E0200X
- License number
- DE00010180 WA
Self-reported in NPPES; status is on the state search - Practice location
- 802 7TH St, Clarkston, WA 99403
- Phone
- (509) 758-4181
- Enumerated
- Nov 25, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (509) 758-4756
- Entity
- Type 1 · individual
8 nearest endodontics records → All 224 in Washington → Look up another NPI →
Verify Matthew S. Clegg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license DE00010180Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% fewer Medicare Part D claims than the average endodontics in 2024
68 Medicare Part D claims for 52 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
- Amoxicillin32 claims
- Chlorhexidine Gluconate19 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.
Matthew S. Clegg among 224 endodontics records in Washington
Matthew S. Clegg, D.D.S., M.S. is one of 224 endodontics records with a practice address in Washington. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 98% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileNo · 0% of these records are
- Record last updated2026 · 75% 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 Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endodontics providers in Washington
There are 224 endodontics records in Washington.
All 224 in Washington → Every provider in Clarkston → Endodontics nationwide →
The 8 endodontics records with the nearest ZIP codes
- Tasneem Ahmad, DDSRichland, WA 993521669775680
- Jacob Al-Hashemi, BDSRichland, WA 993521851819551
- Stephen Hansen, DMDRichland, WA 993521225226343
- Paridhi Kimble, DMD, M.S.Richland, WA 993521851883987
- Rolf Wuerch, D.D.S.Richland, WA 993521386692556
- Linda Bascom, DDSKennewick, WA 993381245390996
- James Leonard, DDSKennewick, WA 993381164582722
- Bradley Brown, D.D.S.Kennewick, WA 993361942591243
Common questions
What is Matthew S. Clegg, D.D.S., M.S.'s NPI number?
Matthew S. Clegg, D.D.S., M.S.'s National Provider Identifier (NPI) is 1336122118, issued on Nov 25, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Matthew S. Clegg, D.D.S., M.S. located?
The NPPES record lists a practice address at 802 7TH St, Clarkston, WA, 99403. Phone: (509) 758-4181. Providers update this record themselves, so call before visiting.
How can I verify Matthew S. Clegg, D.D.S., M.S.'s license?
NPPES lists Washington license number DE00010180, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Matthew S. Clegg, D.D.S., M.S. prescribe under Medicare Part D?
In 2024, Matthew S. Clegg, D.D.S., M.S. had 68 Medicare Part D claims for 52 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.