Ji Won Gwak, DDS
Dentist · Snohomish, WA
Ji Won Gwak, DDS is a dentist with a practice address in Snohomish, Washington, and NPI 1902333826, issued on May 23, 2017. Check the license (Washington DE.60772219, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ji Won Gwak
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- DE.60772219 WA
Self-reported in NPPES; status is on the state search - Practice location
- 306 Maple Ave, Snohomish, WA 98290
- Phone
- (360) 568-5411
- Enumerated
- May 23, 2017
- Record last updated
- Mar 30, 2023
- Entity
- Type 1 · individual
8 nearest dentist records → All 2,767 in Washington → Look up another NPI →
Also registered at 306 Maple Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kela Ness, DDSGeneral Practice Dentistry1801097696
Verify Ji Won Gwak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license DE.60772219Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% fewer Medicare Part D claims than the average dentist in 2024
40 Medicare Part D claims for 29 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin26 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: $136.37
2 payments; by number, the most common kind was food and beverage; the largest payer was Sonendo Inc. The 31,974 providers of this specialty with any payment received $540.36 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.
Ji Won Gwak among 2,767 dentist records in Washington
Ji Won Gwak, DDS is one of 2,767 dentist records with a practice address in Washington. 60% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 69% of them.
- NPI issued2017 · 69% of these records are older, 27% newer
- In a Medicare fileYes · 60% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2023 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 dentist records list a practice address in Snohomish
They are 11 of the 558 NPPES records with a practice address in Snohomish, and 2,767 dentist records in Washington.
All 2,767 in Washington → Every provider in Snohomish → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Ya-Pei Chang, DDSSnohomish, WA 982901285953703
- Michael Chen, DMDSnohomish, WA 982901821413253
- Martin Messah, D.D.S.Snohomish, WA 982901932463502
- Roxana Mogharrabin NajafabadiSnohomish, WA 982901952247686
- David Reynaud, DDSSnohomish, WA 982901811248065
- Tatjana Semiz, DDSSnohomish, WA 982901770948473
- Min Suh, DDSSnohomish, WA 982901366546491
- David Adams, DDSStanwood, WA 982921326453788
Common questions
What is Ji Won Gwak, DDS's NPI number?
Ji Won Gwak, DDS's National Provider Identifier (NPI) is 1902333826, issued on May 23, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Ji Won Gwak, DDS located?
The NPPES record lists a practice address at 306 Maple Ave, Snohomish, WA, 98290. Phone: (360) 568-5411. Providers update this record themselves, so call before visiting.
How can I verify Ji Won Gwak, DDS's license?
NPPES lists Washington license number DE.60772219, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Ji Won Gwak, DDS prescribe under Medicare Part D?
In 2024, Ji Won Gwak, DDS had 40 Medicare Part D claims for 29 beneficiaries; the average among dentist prescribers was 86. 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.