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Dr. Evan Y. Yu

Medical Oncology (Medical Oncology Physician)

Ambulatory Clinic, 825 Eastlake Avenue East
Seattle, WA 98109

Who else practices at this address →

King County includes primary care (5% of residents) and dental (4% of residents) and mental health (4% of residents) shortage areas. About shortage areas

Call (206) 288-1000

  • Medicare participating

At a glance

Years since graduation
28
In the NPI registry since
2006
Medicare patients seen, 2024
75

Licensed in Washington since 2004, according to the Washington State Department of Health. We show license dates only for the states that publish them in bulk; see which states do. For other states, check the state medical board.

The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. NPIs were first issued in May 2005 and became required on claims in 2007–2008, so an early date usually means the clinician was already in practice before then. What an NPI is

Education and training

  • 1998Medical school: University of Washington School of Medicine
  • 2006Registered with an NPI (national billing number; not a license date) — NPIs began in 2005, so practice likely started earlier

Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).

Specialties and state licenses

  • Medical Oncology Physician primary
    WA license MD00044089 (first issued 2004; active)
  • Internal Medicine Physician
    WA license MD00044089 (first issued 2004; active)

As reported to the NPI registry. To confirm a license is current, check the state medical board.

Map: Medical Oncology per capita by county →

Where they work

Hospitals

Medical groups

Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.

Medicare patients and services

Medicare patients, 2024
75
Services billed
217
Patients’ average age
76
Most frequent Medicare services, 2023
ServiceTimesPatients
Established patient office or other outpatient visit, 40-54 minutes16686
Established patient office or other outpatient visit, 30-39 minutes6041
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or3720
New patient office or other outpatient visit, 60-74 minutes2323

Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.

Medicare prescriptions

Most prescribed drugs, Medicare Part D 2024
DrugPrescriptions
Prednisone
Other prescribers in Seattle, WA
32
Abiraterone Acetate30
Nubeqa (darolutamide)13
Bicalutamide11

Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.

Payments from drug and device companies

In 2025, 9 companies reported 56 payments worth $51,434 in total to this clinician.

By company
Bayer HealthCare Pharmaceuticals Inc.$23,920
Merck Sharp & Dohme LLC$13,252
Astellas Pharma Global Development$3,610
Janssen Biotech, Inc.$2,927
Novartis Pharmaceuticals Corporation$2,519
Janssen Scientific Affairs, LLC$1,846
Tolmar, Inc.$1,500
Samsung Bioepis Co., LTD.$1,040
By type
Consulting Fee$33,082
Travel and Lodging$17,186
Food and Beverage$1,167

What the payments were for

Largest payments other than meals
DateCompanyWhat it was forAmount
Jul 25, 2025Bayer HealthCare Pharmaceuticals Inc.
Jul 25, 2025
Consulting Fee
Xofigo · Oncology
$9,373
Dec 16, 2025Bayer HealthCare Pharmaceuticals Inc.
Dec 16, 2025
Travel and Lodging
Nubeqa · Oncology · travel to Vienna, Austria · in-kind
$9,080
Oct 27, 2025Merck Sharp & Dohme LLC
Oct 27, 2025
Consulting Fee$4,480
Oct 16, 2025Merck Sharp & Dohme LLC
Oct 16, 2025
Travel and Lodging
travel to Berlin, Germany · in-kind
$4,403
Jun 14, 2025Astellas Pharma Global Development
Jun 14, 2025
Consulting Fee
Xtandi · Oncology
$3,500
Jul 26, 2025Bayer HealthCare Pharmaceuticals Inc.
Jul 26, 2025
Consulting Fee
Nubeqa · Oncology
$2,524
Nov 10, 2025Novartis Pharmaceuticals Corporation
Nov 10, 2025
Consulting Fee
PLUVICTO · Oncology
$2,450
Jun 2, 2025Merck Sharp & Dohme LLC
Jun 2, 2025
Consulting Fee$2,240
Jun 12, 2025Janssen Scientific Affairs, LLC
Jun 12, 2025
Consulting Fee
ERLEADA · Oncology
$1,635
Feb 14, 2025Tolmar, Inc.
Feb 14, 2025
Consulting Fee$1,500
All 34 payments other than meals, newest first
All payments other than meals
DateCompanyWhat it was forAmount
Dec 16, 2025Bayer HealthCare Pharmaceuticals Inc.
Dec 16, 2025
Travel and Lodging
Nubeqa · Oncology · travel to Vienna, Austria · in-kind
$9,080
Dec 16, 2025Bayer HealthCare Pharmaceuticals Inc.
Dec 16, 2025
Travel and Lodging
Nubeqa · Oncology · travel to Vienna, Austria · in-kind
$189
Dec 13, 2025Bayer HealthCare Pharmaceuticals Inc.
Dec 13, 2025
Travel and Lodging
Nubeqa · Oncology · travel to Vienna, Austria · in-kind
$189
Nov 10, 2025Novartis Pharmaceuticals Corporation
Nov 10, 2025
Consulting Fee
PLUVICTO · Oncology
$2,450
Oct 27, 2025Merck Sharp & Dohme LLC
Oct 27, 2025
Consulting Fee$4,480
Oct 27, 2025Merck Sharp & Dohme LLC
Oct 27, 2025
Travel and Lodging
travel to Berlin, Germany
$150
Oct 16, 2025Merck Sharp & Dohme LLC
Oct 16, 2025
Travel and Lodging
travel to Berlin, Germany · in-kind
$4,403
Oct 16, 2025Merck Sharp & Dohme LLC
Oct 16, 2025
Travel and Lodging
travel to Berlin, Germany · in-kind
$150
Oct 15, 2025Merck Sharp & Dohme LLC
Oct 15, 2025
Travel and Lodging
travel to Berlin, Germany · in-kind
$260
Oct 15, 2025Merck Sharp & Dohme LLC
Oct 15, 2025
Travel and Lodging
travel to Berlin, Germany · in-kind
$237
Jul 26, 2025Bayer HealthCare Pharmaceuticals Inc.
Jul 26, 2025
Consulting Fee
Nubeqa · Oncology
$2,524
Jul 26, 2025Bayer HealthCare Pharmaceuticals Inc.
Jul 26, 2025
Travel and Lodging
Nubeqa · Oncology · travel to Rosemont, IL · in-kind
$130
Jul 26, 2025Bayer HealthCare Pharmaceuticals Inc.
Jul 26, 2025
Travel and Lodging
Nubeqa · Oncology · travel to Rosemont, IL · in-kind
$26.88
Jul 25, 2025Bayer HealthCare Pharmaceuticals Inc.
Jul 25, 2025
Consulting Fee
Xofigo · Oncology
$9,373
Jul 25, 2025Bayer HealthCare Pharmaceuticals Inc.
Jul 25, 2025
Travel and Lodging
Xofigo · Oncology · travel to Rosemont, IL · in-kind
$449
Jul 25, 2025Bayer HealthCare Pharmaceuticals Inc.
Jul 25, 2025
Travel and Lodging
Xofigo · Oncology · travel to Rosemont, IL · in-kind
$238
Jul 24, 2025Samsung Bioepis Co., LTD.
Jul 24, 2025
Consulting Fee
E303 · Medical Oncology
$1,040
Jul 24, 2025Bayer HealthCare Pharmaceuticals Inc.
Jul 24, 2025
Travel and Lodging
Xofigo · Oncology · travel to Rosemont, IL · in-kind
$238
Jul 24, 2025Bayer HealthCare Pharmaceuticals Inc.
Jul 24, 2025
Travel and Lodging
Xofigo · Oncology · travel to Rosemont, IL · in-kind
$215
Jun 14, 2025Astellas Pharma Global Development
Jun 14, 2025
Consulting Fee
Xtandi · Oncology
$3,500
Jun 14, 2025Astellas Pharma Global Development
Jun 14, 2025
Travel and Lodging
Xtandi · Oncology · travel to Seattle, WA
$110
Jun 13, 2025Janssen Biotech, Inc.
Jun 13, 2025
Consulting Fee
ERLEADA · Oncology
$1,410
Jun 12, 2025Janssen Scientific Affairs, LLC
Jun 12, 2025
Consulting Fee
ERLEADA · Oncology
$1,635
Jun 12, 2025Janssen Scientific Affairs, LLC
Jun 12, 2025
Travel and Lodging
ERLEADA · Oncology · travel to CHICAGO, IL
$93.10
Jun 2, 2025Merck Sharp & Dohme LLC
Jun 2, 2025
Consulting Fee$2,240
May 22, 2025Bayer HealthCare Pharmaceuticals Inc.
May 22, 2025
Consulting Fee$700
Apr 23, 2025Merck Sharp & Dohme LLC
Apr 23, 2025
Travel and Lodging
ONCOLOGY · travel to Dallas, TX
Company’s descriptionProvided as part of a clinical research engagement.
$95.84
Apr 8, 2025Merck Sharp & Dohme LLC
Apr 8, 2025
Travel and Lodging
ONCOLOGY · travel to Dallas, TX · in-kind
Company’s descriptionProvided as part of a clinical research engagement.
$456
Apr 8, 2025Merck Sharp & Dohme LLC
Apr 8, 2025
Travel and Lodging
ONCOLOGY · travel to Dallas, TX · in-kind
Company’s descriptionProvided as part of a clinical research engagement.
$205
Apr 8, 2025Merck Sharp & Dohme LLC
Apr 8, 2025
Travel and Lodging
ONCOLOGY · travel to Dallas, TX · in-kind
Company’s descriptionProvided as part of a clinical research engagement.
$156
Apr 8, 2025Merck Sharp & Dohme LLC
Apr 8, 2025
Travel and Lodging
ONCOLOGY · travel to Dallas, TX · in-kind
Company’s descriptionProvided as part of a clinical research engagement.
$113
Apr 1, 2025AstraZeneca UK Limited
Apr 1, 2025
Consulting Fee
Truqap · Oncology
$820
Mar 28, 2025Janssen Biotech, Inc.
Mar 28, 2025
Consulting Fee
ERLEADA · Oncology
$1,410
Feb 14, 2025Tolmar, Inc.
Feb 14, 2025
Consulting Fee$1,500

Each payment as the company reported it, with the products it named. Meals are counted in the totals above but not listed one by one.

From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.

Who received the most in Washington →

Industry-funded research

Named as a principal investigator on 13 industry-funded studies in 2025, from 6 companies. The companies reported $783,648 in research payments for these studies, mostly to the institutions running them.

  • Phase Ib,II Trial of Pembrolizumab MK-3475 Combination Therapies in Metastatic Castration-Resistant Prostate Cancer mCRPC KEYNOTE-365
    Merck Sharp & Dohme LLC
  • An openlabel randomized controlled phase 3 study of disitamab vedotin in combination with pembrolizumab versus chemotherapy in subjects with previously untreated locally advanced or metastatic urothelial carcinoma tha…
    Pfizer Inc.
  • A phase 2 multicohort openlabel multicenter clinical study evaluating the efficacy and safety of disitamab vedotin RC48ADC alone or in combination with pembrolizumab in subjects with locallyadvanced unresectable or me…
    Seagen Inc.
  • A phase 2 multi cohort open label multicenter clinical study evaluating the efficacy and safety of disitamab vedotin RC48 adc in subjects with HER2 expressing locally advanced unresectable or metastatic urothelial car…
    Seagen Inc.
  • Prostate specific membrane antigen (psma) or fluciclovine (facbc) pet/ct site-directed therapy of oligometastatic prostate cancer (p-flu-blastpc)
    Progenics Pharmaceuticals, Inc.
  • INVFE
    Progenics Pharmaceuticals, Inc.
  • MK-5684-003# A Phase 3 Randomized, Open-label Study of MK-5684 Versus Alternative Abiraterone Acetate or Enzalutamide in Participants With Metastatic Castration-resistant Prostate Cancer mCRPC Previously Treated With …
    Merck Sharp & Dohme LLC
  • A study of enfortumab vedotin ASG22CE as monotherapy or in combination with other anticancer therapies for the treatment of urothelial cancer
    Pfizer Inc.
  • A Phase 3, Open-label Study of Ifinatamab Deruxtecan Versus Docetaxel in Participants with Metastatic Castration-Resistant Prostate Cancer mCRPC IDeate-Prostate01
    Merck Sharp & Dohme LLC
  • A Phase 1, Open-Label, Non-Randomized, Safety, Tolerability and Pharmacokinetic Study of TAS3681 in Patients With Metastatic Castration Resistant Prostate Cancer
    Taiho Oncology, Inc.

From CMS Open Payments research payments, where companies name up to five principal investigators per payment. Research payments usually go to hospitals, universities and research sites, not to the investigator personally. A payment is not evidence of wrongdoing.

Other Medical Oncology clinicians in Seattle

Sources

NPI registry (CMS NPPES, November 2026; record last updated November 21, 2012), Medicare Care Compare, Medicare Physician & Other Practitioners (2024), Medicare Part D Prescribers (2024) and Open Payments (2025). Information is self-reported or billed data and may be out of date; call before visiting.

NPI 1043390016. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.