Chieh Tsai, DDS
Dentist · Bellevue, WA
Chieh Tsai, DDS is a dentist with a practice address in Bellevue, Washington, and NPI 1073240289, issued on Aug 7, 2022. Check the license (Washington DE61459623, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Chieh Tsai
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- DE61459623 WA
Self-reported in NPPES; status is on the state search - Practice location
- 41 148TH Ave SE, Bellevue, WA 98007
- Phone
- (425) 747-8661
- Enumerated
- Aug 7, 2022
- Record last updated
- Jul 8, 2025
- Entity
- Type 1 · individual
8 nearest dentist records → All 2,767 in Washington → Look up another NPI →
Also registered at 41 148TH Ave SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tro OtaMassage Therapist1770876351
Verify Chieh Tsai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license DE61459623Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average dentist in 2024
12 Medicare Part D claims, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Chieh Tsai among 2,767 dentist records in Washington
Chieh Tsai, 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 2022, is newer than 85% of them.
- NPI issued2022 · 85% of these records are older, 11% 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 updated2025 · 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).
114 dentist records list a practice address in Bellevue
They are 114 of the 6,738 NPPES records with a practice address in Bellevue, and 2,767 dentist records in Washington.
All 2,767 in Washington → Every provider in Bellevue → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Elena Borodyansky, D.D.S.Bellevue, WA 980071548509540
- R. Cahoon, D.D.S., P.S.Bellevue, WA 980071699850156
- Hyejin Cheong, DDSBellevue, WA 980071437597721
- Elizabeth Finnessy, DDSBellevue, WA 980071124255484
- Michael Gile, DR.Bellevue, WA 980071073609673
- Lisa Kim, DDSBellevue, WA 980071598875874
- Regina Lederman, DDSBellevue, WA 980071154677367
- Randall Maebo, D.D.S.Bellevue, WA 980071780754820
Common questions
What is Chieh Tsai, DDS's NPI number?
Chieh Tsai, DDS's National Provider Identifier (NPI) is 1073240289, issued on Aug 7, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Chieh Tsai, DDS located?
The NPPES record lists a practice address at 41 148TH Ave SE, Bellevue, WA, 98007. Phone: (425) 747-8661. Providers update this record themselves, so call before visiting.
How can I verify Chieh Tsai, DDS's license?
NPPES lists Washington license number DE61459623, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Chieh Tsai, DDS prescribe under Medicare Part D?
In 2024, Chieh Tsai, DDS had 12 Medicare Part D claims; 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.