NPPES file of Aug 9, 2026

Steve M. Eulau, M.D.

Radiation Oncology Physician · Seattle, WA

Steve M. Eulau, M.D. is a radiation oncology physician with a practice address in Seattle, Washington, and NPI 1346263183, issued on Jul 25, 2006. Check the license (Washington MD00035739, as entered in NPPES) on the Washington Medical Commission; 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
1346263183
Name
Steve M. Eulau
Credential
M.D.
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
MD00035739 WA
Self-reported in NPPES; status is on the state search
Practice location
1221 Madison, 1St Floor, Seattle, WA 98104
Phone
(206) 386-2323
Enumerated
Jul 25, 2006
Record last updated
May 18, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(206) 215-6150
Medicaid ID
8226854 WA
Medicare enrollment
Enrolled (PECOS I20041102001202); accepts Medicare assignment
Medical or professional school
University Of California, Davis School Of Medicine, 1993
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 1221 Madison, 1St Floor

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

  1. Todd Barnett, M.D.Radiation Oncology Physician1629091483
  2. Vivek Mehta, M.D.Radiation Oncology Physician1417970252
  3. Astrid Morris, M.D.Radiation Oncology Physician1194739755

Verify Steve M. Eulau in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD00035739
    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
Open the Washington license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

58% more Medicare Part D claims than the average radiation oncology physician in 2024

212 Medicare Part D claims for 66 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. 13 claims were for opioids.

  1. Steve Eulau212
  2. Specialty average134

Most prescribed

  1. Tamsulosin Hcl81 claims
  2. Venlafaxine Hcl Er43 claims
  3. Bicalutamide12 claims
  4. Oxycodone Hcl11 claims
  5. Solifenacin Succinate11 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: $66.18

2 payments; by number, the most common kind was food and beverage; the largest payer was Telix Pharmaceuticals. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Steve Eulau$66.18
  2. Specialty average$1,897.85

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

Bills Medicare through one group practice

  1. Tumor Institute Radiation Oncology Group LLPSeattle, WA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Steve M. Eulau among 198 radiation oncology physician records in Washington

Steve M. Eulau, M.D. is one of 198 radiation oncology physician records with a practice address in Washington. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 52% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated1993 · median 2006 among the 141 with a school on file
  • Record last updated2021 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Radiation Oncology Physician providers in Washington

There are 198 radiation oncology physician records in Washington.

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Todd Barnett, M.D.Seattle, WA 981041629091483
  2. John Blasko, M.D.Seattle, WA 981041194748715
  3. Christopher Loiselle, M.D.Seattle, WA 981041225259187
  4. Tim Mate, M.D.Seattle, WA 981041699798439
  5. Vivek Mehta, M.D.Seattle, WA 981041417970252
  6. Astrid Morris, M.D.Seattle, WA 981041194739755
  7. Reith Sarkar, MDSeattle, WA 981041679034060
  8. Jacob Trotter, MDSeattle, WA 981041528528965

Common questions

What is Steve M. Eulau, M.D.'s NPI number?

Steve M. Eulau, M.D.'s National Provider Identifier (NPI) is 1346263183, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Steve M. Eulau, M.D. located?

The NPPES record lists a practice address at 1221 Madison, 1St Floor, Seattle, WA, 98104. Phone: (206) 386-2323. Providers update this record themselves, so call before visiting.

How can I verify Steve M. Eulau, M.D.'s license?

NPPES lists Washington license number MD00035739, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Steve M. Eulau, M.D. prescribe under Medicare Part D?

In 2024, Steve M. Eulau, M.D. had 212 Medicare Part D claims for 66 beneficiaries; the average among radiation oncology physician prescribers was 134. 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.