Ellen Chuang, MD
Medical Oncology Physician · Seattle, WA
Ellen Chuang, MD is a medical oncology physician with a practice address in Seattle, Washington, and NPI 1417044512, issued on Oct 9, 2006. Check the license (Washington MD61168860, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Ellen Chuang
- Credential
- MD
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- MD61168860 WA
Self-reported in NPPES; status is on the state search - Practice location
- 825 Eastlake Ave E, Seattle, WA 98109
- Phone
- (206) 520-5000
- Enumerated
- Oct 9, 2006
- Record last updated
- Aug 18, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200520002809); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 183 in Washington → Look up another NPI →
Also registered at 825 Eastlake Ave E
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ali AlgiraigriSpecialist1467880260
Verify Ellen Chuang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD61168860Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average medical oncology physician in 2024
33 Medicare Part D claims, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D.
Most prescribed
- Letrozole13 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: $265.00
1 payment: gift; the largest payer was Sekisui Diagnostics, LLC. The 3,343 providers of this specialty with any payment received $11,773.47 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.
One hospital affiliation
- Marshall Medical CenterCameron Park, CA · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Ellen Chuang among 183 medical oncology physician records in Washington
Ellen Chuang, MD is one of 183 medical oncology physician records with a practice address in Washington. 72% 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 12% of them.
- NPI issued2006 · 12% of these records are older, 40% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1989 · median 1998 among the 112 with a school on file
- Record last updated2021 · 70% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in Washington
There are 183 medical oncology physician records in Washington.
All 183 in Washington → Every provider in Seattle → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Shailender Bhatia, MDSeattle, WA 981091225041791
- Keith Eaton, MDSeattle, WA 981091982784955
- Vijayakrishna Gadi, M.D. PHDSeattle, WA 981091053358671
- Bernardo Goulart, MD, MSSeattle, WA 981091184734501
- Edward Lin, MDSeattle, WA 981091760496996
- Gary Lyman, MDSeattle, WA 981091770503054
- Thomas Lynch, MDSeattle, WA 981091780666131
- Marco MielcarekSeattle, WA 981091154401123
Common questions
What is Ellen Chuang, MD's NPI number?
Ellen Chuang, MD's National Provider Identifier (NPI) is 1417044512, issued on Oct 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ellen Chuang, MD located?
The NPPES record lists a practice address at 825 Eastlake Ave E, Seattle, WA, 98109. Phone: (206) 520-5000. Providers update this record themselves, so call before visiting.
How can I verify Ellen Chuang, MD's license?
NPPES lists Washington license number MD61168860, 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 Ellen Chuang, MD prescribe under Medicare Part D?
In 2024, Ellen Chuang, MD had 33 Medicare Part D claims; the average among medical oncology physician prescribers was 703. 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.