NPPES file of Aug 9, 2026

Ethan V. Janson, DDS

General Practice Dentistry · Seattle, WA

Ethan V. Janson, DDS is a general practice dentistry with a practice address in Seattle, Washington, and NPI 1174717466, issued on Aug 30, 2007. Check the license (Washington DE00008245, 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
1174717466
Name
Ethan V. Janson
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
DE00008245 WA
Self-reported in NPPES; status is on the state search
Practice location
1325 4TH Ave, Seattle, WA 98101
Phone
(206) 623-0809
Enumerated
Aug 30, 2007
Record last updated
Aug 30, 2007 (not updated in 19 years: call before relying on the address or phone)
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 1325 4TH Ave

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

  1. Joan Austin, A.R.N.P, R. N.Women's Health Clinical Nurse Specialist1447447388
  2. Dexter Barnes, DDSGeneral Practice Dentistry1598796005
  3. Eileen Gibbons, M.D.Family Medicine Physician1184792178
  4. Carol Jung, PSY.D.Psychologist1417916495
  5. Jennifer Nguyen, DDSDentist1578764882

Verify Ethan V. Janson 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 DE00008245
    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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82% fewer Medicare Part D claims than the average general practice dentistry in 2024

15 Medicare Part D claims, 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.

  1. Ethan Janson15
  2. Specialty average83

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: $56.81

3 payments; by number, the most common kind was education; the largest payer was Colgate Oral Pharmaceuticals, Inc. The 41,669 providers of this specialty with any payment received $597.01 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ethan Janson$56.81
  2. Specialty average$597.01

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Ethan V. Janson among 3,196 general practice dentistry records in Washington

Ethan V. Janson, DDS 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 2007, is newer than 41% of them.

  • NPI issued2007 · 41% of these records are older, 37% 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).

General Practice Dentistry providers in Washington

There are 3,196 general practice dentistry records in Washington.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Dexter Barnes, DDSSeattle, WA 981011598796005
  2. Mark Grace, D.D.S.Seattle, WA 981011659303816
  3. Richard JohnsonSeattle, WA 981011235222100
  4. Carol Loe, D.D.S., P.S.Seattle, WA 981011609961531
  5. Jurga Martini, DMD, PSSeattle, WA 981011073682449
  6. Thomas McKenny, DDSSeattle, WA 981011700881935
  7. Alan Moritis, D.D.SSeattle, WA 981011083610158
  8. Alecia Nowak, DMDSeattle, WA 981011902999618

Common questions

What is Ethan V. Janson, DDS's NPI number?

Ethan V. Janson, DDS's National Provider Identifier (NPI) is 1174717466, issued on Aug 30, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Ethan V. Janson, DDS located?

The NPPES record lists a practice address at 1325 4TH Ave, Seattle, WA, 98101. Phone: (206) 623-0809. Providers update this record themselves, so call before visiting.

How can I verify Ethan V. Janson, DDS's license?

NPPES lists Washington license number DE00008245, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

How much does Ethan V. Janson, DDS prescribe under Medicare Part D?

In 2024, Ethan V. Janson, DDS had 15 Medicare Part D claims; 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.