Seok-Won (sean) Chang, DMD
General Practice Dentistry · Olympia, WA
Seok-Won (sean) Chang, DMD is a general practice dentistry with a practice address in Olympia, Washington, and NPI 1184842155, issued on Apr 23, 2007. Check the license (Washington DE10792, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Seok-Won (sean) Chang
- Credential
- DMD
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- DE10792 WA
Self-reported in NPPES; status is on the state search - Practice location
- 4210 Martin Way E Ste 101, Olympia, WA 98516
- Phone
- (360) 455-9544
- Enumerated
- Apr 23, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 3,196 in Washington → Look up another NPI →
Also registered at 4210 Martin Way E Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mahtab Mansour, DDSDentist1528739968
Verify Seok-Won (sean) Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license DE10792Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30% fewer Medicare Part D claims than the average general practice dentistry in 2024
58 Medicare Part D claims for 49 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
- Amoxicillin46 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: $18.87
1 payment: education; the largest payer was Envista Holdings Corporation. 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.
Seok-Won (sean) Chang among 3,196 general practice dentistry records in Washington
Seok-Won (sean) Chang, DMD 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 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 37% 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 updated2007 · 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).
64 general practice dentistry records list a practice address in Olympia
They are 64 of the 5,034 NPPES records with a practice address in Olympia, and 3,196 general practice dentistry records in Washington.
All 3,196 in Washington → Every provider in Olympia → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Joydeep Arneja, DMDLacey, WA 985161588546766
- Rohaan BillimoriaLacey, WA 985161326866377
- Susannah Bohannon, DMDOlympia, WA 985161538303284
- Trupa Patel, D.M.D.Olympia, WA 985161780037564
- Sridevi Vijayasekaran, DMDLacey, WA 985161912116567
- Harold Watson, DDSLacey, WA 985161578663282
- Rosemary Engle, D.D.S.Olympia, WA 985131003020215
- Mark Teigen, D.D.S.Olympia, WA 985131851504757
Common questions
What is Seok-Won (sean) Chang, DMD's NPI number?
Seok-Won (sean) Chang, DMD's National Provider Identifier (NPI) is 1184842155, issued on Apr 23, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Seok-Won (sean) Chang, DMD located?
The NPPES record lists a practice address at 4210 Martin Way E Ste 101, Olympia, WA, 98516. Phone: (360) 455-9544. Providers update this record themselves, so call before visiting.
How can I verify Seok-Won (sean) Chang, DMD's license?
NPPES lists Washington license number DE10792, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Seok-Won (sean) Chang, DMD prescribe under Medicare Part D?
In 2024, Seok-Won (sean) Chang, DMD had 58 Medicare Part D claims for 49 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.