NPPES file of Aug 9, 2026

Stefanie K Hamamoto Yamaguchi, D.D.S.

Dentist · Bothell, WA

Stefanie K Hamamoto Yamaguchi, D.D.S. is a dentist with a practice address in Bothell, Washington, and NPI 1467764563, issued on Jul 6, 2010. Check the license (Washington 60172421, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1467764563
Name
Stefanie K Hamamoto Yamaguchi
Credential
D.D.S.
Primary taxonomy
Dentist 122300000X
License number
60172421 WA
Self-reported in NPPES; status is on the state search
Practice location
22703 Bothell Everett Hwy Ste E, Bothell, WA 98021
Phone
(425) 488-1480
Enumerated
Jul 6, 2010
Record last updated
Sep 27, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(425) 489-9997
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 22703 Bothell Everett Hwy Ste E

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Christopher Wilkinson, DDSGeneral Practice Dentistry1639239577

Verify Stefanie K Hamamoto Yamaguchi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Washington board licenses this profession
    Search for license 60172421
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Washington license search

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67% fewer Medicare Part D claims than the average dentist in 2024

28 Medicare Part D claims for 15 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.

  1. Stefanie Yamaguchi28
  2. Specialty average86

Most prescribed

  1. 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.

Stefanie K Hamamoto Yamaguchi among 2,767 dentist records in Washington

Stefanie K Hamamoto Yamaguchi, D.D.S. 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 2010, is newer than 43% of them.

  • NPI issued2010 · 43% of these records are older, 53% 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 updated2021 · 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).

44 dentist records list a practice address in Bothell

They are 44 of the 1,722 NPPES records with a practice address in Bothell, and 2,767 dentist records in Washington.

The 8 dentist records with the nearest ZIP codes

  1. Julidang Chue, DDSBothell, WA 980211477747228
  2. Emilie Dawson, DDSBothell, WA 980211033447289
  3. Julie Dawson, DDSBothell, WA 980211205219326
  4. Daniel Hwang, D.M.D.Bothell, WA 980211942653910
  5. Steven Nguyen, DMDBothell, WA 980211689182255
  6. Pooja PatelBothell, WA 980211588033898
  7. Jennifer Stinde, D.D.S.Bothell, WA 980211427464957
  8. Maryam Tabarestani, DDSBothell, WA 980211598371866

Common questions

What is Stefanie K Hamamoto Yamaguchi, D.D.S.'s NPI number?

Stefanie K Hamamoto Yamaguchi, D.D.S.'s National Provider Identifier (NPI) is 1467764563, issued on Jul 6, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Stefanie K Hamamoto Yamaguchi, D.D.S. located?

The NPPES record lists a practice address at 22703 Bothell Everett Hwy Ste E, Bothell, WA, 98021. Phone: (425) 488-1480. Providers update this record themselves, so call before visiting.

How can I verify Stefanie K Hamamoto Yamaguchi, D.D.S.'s license?

NPPES lists Washington license number 60172421, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

How much does Stefanie K Hamamoto Yamaguchi, D.D.S. prescribe under Medicare Part D?

In 2024, Stefanie K Hamamoto Yamaguchi, D.D.S. had 28 Medicare Part D claims for 15 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.