Hsin-Yu Ou
Dentist · Sammamish, WA
Hsin-Yu Ou is a dentist with a practice address in Sammamish, Washington, and NPI 1194469759, issued on Apr 20, 2022. Check the license (Washington DE61440906, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Hsin-Yu Ou
- Primary taxonomy
- Dentist 122300000X
- License numbers
- DE61440906 WA
2951000904 MI
Self-reported in NPPES; status is on the state search - Practice location
- 22640 SE 4TH St Ste 212, Sammamish, WA 98074
- Phone
- (425) 979-3168
- Enumerated
- Apr 20, 2022
- Record last updated
- Sep 6, 2023
- Entity
- Type 1 · individual
8 nearest dentist records → All 2,767 in Washington → Look up another NPI →
Verify Hsin-Yu Ou in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license DE61440906Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average dentist in 2024
18 Medicare Part D claims for 12 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Chlorhexidine Gluconate11 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: $80.28
4 payments; by number, the most common kind was food and beverage; the largest payer was Envista Holdings Corporation. 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.
Hsin-Yu Ou among 2,767 dentist records in Washington
Hsin-Yu Ou 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 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).
7 dentist records list a practice address in Sammamish
They are 7 of the 398 NPPES records with a practice address in Sammamish, and 2,767 dentist records in Washington.
All 2,767 in Washington → Every provider in Sammamish → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Michael Macinnes, DDSSammamish, WA 980741578662011
- Asha Sethu Madhavan, D.D.S.Sammamish, WA 980741336394337
- Ashima Singal, D.D.SSammamish, WA 980741871978395
- Jayasri Srinivasan, DMDSammamish, WA 980741760577316
- Kimchi Phan, DDSSammamish, WA 980751467702522
- Sunghee Choi, DDSWoodinville, WA 980721336887504
- Ipneet Dhaliwal, DDSWoodinville, WA 980721043139694
- Shifali Garg, DDSWoodinville, WA 980721851879472
Common questions
What is Hsin-Yu Ou's NPI number?
Hsin-Yu Ou's National Provider Identifier (NPI) is 1194469759, issued on Apr 20, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Hsin-Yu Ou located?
The NPPES record lists a practice address at 22640 SE 4TH St Ste 212, Sammamish, WA, 98074. Phone: (425) 979-3168. Providers update this record themselves, so call before visiting.
How can I verify Hsin-Yu Ou's license?
NPPES lists Washington license number DE61440906, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Hsin-Yu Ou prescribe under Medicare Part D?
In 2024, Hsin-Yu Ou had 18 Medicare Part D claims for 12 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.