NPPES file of Aug 9, 2026

Kelvin Chiu Yu, MD

Surgical Oncology Physician · Portland, OR

Kelvin Chiu Yu, MD is a surgical oncology physician with a practice address in Portland, Oregon, and NPI 1700898723, issued on Aug 12, 2006. Check the license (Oregon MD20421, as entered in NPPES) on the Oregon Medical Board; 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
1700898723
Name
Kelvin Chiu Yu
Credential
MD
Primary taxonomy
Surgical Oncology Physician 2086X0206X
License number
MD20421 OR
Self-reported in NPPES; status is on the state search
Practice location
5050 NE Hoyt St Ste 651, Portland, OR 97213
Phone
(503) 935-8700
Enumerated
Aug 12, 2006
Record last updated
Nov 5, 2024
Fax
(503) 935-8701
Medicaid IDs
1016896 WA
150223 OR
Medicare enrollment
Enrolled (PECOS I20101106000051); accepts Medicare assignment
Medical or professional school
University Of California, San Francisco School Of Medicine, 1990
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.
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Also registered at 5050 NE Hoyt St Ste 651

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

  1. Benjamin Feeney, M.D.Surgery Physician1992020754
  2. Jordana Gaumond, M.D.Surgery Physician1740496728
  3. Sean Watters, M.D.Surgery Physician1659714160
  4. Karen Zink, M.D.Surgery Physician1508060450

Verify Kelvin Chiu Yu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD20421
    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 Oregon 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.

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7% more Medicare Part D claims than the average surgical oncology physician in 2024

93 Medicare Part D claims for 42 beneficiaries, against an average of 87 among the 1,237 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims. 26 claims were for opioids.

  1. Kelvin Yu93
  2. Specialty average87

Most prescribed

  1. Levothyroxine Sodium48 claims
  2. Oxycodone Hcl24 claims
  3. Calcitriol13 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.

Bills Medicare through one group practice

  1. The Oregon Clinic, PCPortland, OR

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

Surgical Oncology Physician providers in Oregon

There are 14 surgical oncology physician records in Oregon.

Other surgical oncology physician records in Oregon

  1. Michele Babicky, M.D.Portland, OR1871742478
  2. John Creasy, MDPortland, OR1336415140
  3. Joshua Davis, MDPortland, OR1073072054
  4. Kathleen Dunham, M.D.Tigard, OR1194040139
  5. James Lim, M.D.Portland, OR1760617914
  6. Kristen Massimino, MDPortland, OR1720208556
  7. Christopher Moran, M.D.Clackamas, OR1679503825
  8. Arpana Naik, MDPortland, OR1508871013
  9. Rodney Pommier, MDPortland, OR1114932613
  10. Divya Sood, M.D.Portland, OR1447697446

Common questions

What is Kelvin Chiu Yu, MD's NPI number?

Kelvin Chiu Yu, MD's National Provider Identifier (NPI) is 1700898723, issued on Aug 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Kelvin Chiu Yu, MD located?

The NPPES record lists a practice address at 5050 NE Hoyt St Ste 651, Portland, OR, 97213. Phone: (503) 935-8700. Providers update this record themselves, so call before visiting.

How can I verify Kelvin Chiu Yu, MD's license?

NPPES lists Oregon license number MD20421, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Kelvin Chiu Yu, MD prescribe under Medicare Part D?

In 2024, Kelvin Chiu Yu, MD had 93 Medicare Part D claims for 42 beneficiaries; the average among surgical oncology physician prescribers was 87. 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.