Kevin Wei-Lun Chang, D.O.
Hematology & Oncology Physician · Seattle, WA
Kevin Wei-Lun Chang, D.O. is a hematology & oncology physician with a practice address in Seattle, Washington, and NPI 1043744428, issued on Apr 12, 2017. Check the license (Washington OP61421294, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Kevin Wei-Lun Chang
- Credential
- D.O.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- OP61421294 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1100 9TH Ave, Seattle, WA 98101
- Phone
- (206) 223-6193
- Enumerated
- Apr 12, 2017
- Record last updated
- Jun 12, 2023
- Medicare enrollment
- Enrolled (PECOS I20230712002430); accepts Medicare assignment
- Medical or professional school
- Lincoln Memorial University Medical Department, 2017
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 1100 9TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Barry Aaronson, MDHospitalist Physician1952418345
- David Aboulafia, MDHematology & Oncology Physician1043269392
- Deborah Abrams, M.D.Hematology & Oncology Physician1902974835
- Alvin Aceron, ARNPAdult Health Nurse Practitioner1639488562
- Ream AdeebAdult Health Nurse Practitioner1760868855
- Steven Adler, MDDiagnostic Ultrasound Physician1639108046
Verify Kevin Wei-Lun Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license OP61421294Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
627 Medicare Part D claims for 141 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims. 50 claims were for opioids.
Most prescribed
- Eliquis44 claims
- Tagrisso42 claims
- Dexamethasone31 claims
- Prednisone29 claims
- Hydrocodone-Acetaminophen23 claims
- Ondansetron Hcl21 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.
One hospital affiliation
- Virginia Mason Medical CenterIssaquah, WA · Acute Care Hospitals5 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.
Hematology & Oncology Physician providers in Washington
There are 476 hematology & oncology physician records in Washington.
Other hematology & oncology physician records in Washington
- Farnoush Abar, M.D.Seattle, WA1558560342
- Janis AbkowitzSeattle, WA1740366558
- David Aboulafia, MDSeattle, WA1043269392
- Deborah Abrams, M.D.Seattle, WA1902974835
- Oyebimpe Adesina, MDSeattle, WA1184934770
- Shirali AgarwalSeattle, WA1972093052
- Amith Ahluwalia, MDWenatchee, WA1497231773
- Sharmila Ahmed, MDSeattle, WA1073512141
- Hani Alhashmi, M.D.Seattle, WA1841596582
- Naveed Ali, M.D.Seattle, WA1134569692
Common questions
What is Kevin Wei-Lun Chang, D.O.'s NPI number?
Kevin Wei-Lun Chang, D.O.'s National Provider Identifier (NPI) is 1043744428, issued on Apr 12, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Kevin Wei-Lun Chang, D.O. located?
The NPPES record lists a practice address at 1100 9TH Ave, Seattle, WA, 98101. Phone: (206) 223-6193. Providers update this record themselves, so call before visiting.
How can I verify Kevin Wei-Lun Chang, D.O.'s license?
NPPES lists Washington license number OP61421294, 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 Kevin Wei-Lun Chang, D.O. prescribe under Medicare Part D?
In 2024, Kevin Wei-Lun Chang, D.O. had 627 Medicare Part D claims for 141 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.