Joseph Changyon Hwang, D.D.S.
General Practice Dentistry · Mountlake Terrace, WA
Joseph Changyon Hwang, D.D.S. is a general practice dentistry with a practice address in Mountlake Terrace, Washington, and NPI 1760496970, issued on Jul 27, 2006. Check the license (Washington 7967, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joseph Changyon Hwang
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 7967 WA
Self-reported in NPPES; status is on the state search - Practice location
- 6808 220TH St SW, Mountlake Terrace, WA 98043
- Phone
- (425) 670-8225
- Enumerated
- Jul 27, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (425) 670-8065
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 3,196 in Washington → Look up another NPI →
Also registered at 6808 220TH St SW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Destine Abbott, L.M.PMassage Therapist1730499831
- Erin Andersen, LMPMassage Therapist1639458177
- Roman AntioquiaSpecialist1790186633
- Susan Bates, MDDiagnostic Radiology Physician1043270515
- Grace Chen, PA-CPhysician Assistant1639176902
- Julie Clark, CDPAddiction (Substance Use Disorder) Counselor1316170038
Verify Joseph Changyon Hwang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license 7967Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average general practice dentistry in 2024
19 Medicare Part D claims for 12 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
- Amoxicillin13 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.
Joseph Changyon Hwang among 3,196 general practice dentistry records in Washington
Joseph Changyon Hwang, D.D.S. 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 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).
13 general practice dentistry records list a practice address in Mountlake Terrace
They are 13 of the 692 NPPES records with a practice address in Mountlake Terrace, and 3,196 general practice dentistry records in Washington.
All 3,196 in Washington → Every provider in Mountlake Terrace → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Craig Bernhart, D.D.S.Mountlake Terrace, WA 980431295829737
- Edwin ChungMountlake Terrace, WA 980431649256074
- Darrel Dreke, D.D.S.Mountlake Terrace, WA 980431669474714
- Julie FeathersMountlake Terrace, WA 980431932964616
- Stephanie Kang, D.M.DMountlake Terrace, WA 980431548504277
- Matthew Kelley, DDSMountlake Terrace, WA 980431952594947
- Danielle Marlett, DDSMountlake Terrace, WA 980431215617766
- George Moore, DDSMountlake Terrace, WA 980431669551651
Common questions
What is Joseph Changyon Hwang, D.D.S.'s NPI number?
Joseph Changyon Hwang, D.D.S.'s National Provider Identifier (NPI) is 1760496970, issued on Jul 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Changyon Hwang, D.D.S. located?
The NPPES record lists a practice address at 6808 220TH St SW, Mountlake Terrace, WA, 98043. Phone: (425) 670-8225. Providers update this record themselves, so call before visiting.
How can I verify Joseph Changyon Hwang, D.D.S.'s license?
NPPES lists Washington license number 7967, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Joseph Changyon Hwang, D.D.S. prescribe under Medicare Part D?
In 2024, Joseph Changyon Hwang, D.D.S. had 19 Medicare Part D claims for 12 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.