Wendy W. Yu, MD
Internal Medicine Physician · Portland, OR
Wendy W. Yu, MD is an internal medicine physician with a practice address in Portland, Oregon, and NPI 1184016099, issued on Mar 2, 2015. Check the license (Oregon MD193885, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Wendy W. Yu
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD193885 OR
PG170878 OR
A153036 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9135 SW Barnes RD Ste 763, Portland, OR 97225
- Phone
- (503) 216-8250
- Enumerated
- Mar 2, 2015
- Record last updated
- Oct 13, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190827000686); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,116 in Oregon → Look up another NPI →
Also registered at 9135 SW Barnes RD Ste 763
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Eleni Clare, PA-CPhysician Assistant1174024400
- Tehniyah Gomez, PNP-PCPediatric Nurse Practitioner1720724388
- Phoebe Luc, RDRegistered Dietitian1487311171
- Alejandro Ruiz-Elizalde, M.D.Pediatric Surgery Physician1184873820
- Gabriel Time, PAPhysician Assistant1386476596
Verify Wendy W. Yu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD193885Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% more Medicare Part D claims than the average internal medicine physician in 2024
4,006 Medicare Part D claims for 501 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 72 claims were for opioids.
Most prescribed
- Atorvastatin Calcium294 claims
- Levothyroxine Sodium238 claims
- Amlodipine Besylate137 claims
- Lisinopril108 claims
- Metformin Hcl Er100 claims
- Omeprazole93 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 2 group practices
- Providence Health And Services - OregonPortland, OR
- Providence Health And Services OregonPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Wendy W. Yu among 2,116 internal medicine physician records in Oregon
Wendy W. Yu, MD is one of 2,116 internal medicine physician records with a practice address in Oregon. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 75% of them.
- NPI issued2015 · 75% of these records are older, 22% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2006 · median 2008 among the 1,232 with a school on file
- Record last updated2020 · 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 207R00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
889 internal medicine physician records list a practice address in Portland
They are 889 of the 42,088 NPPES records with a practice address in Portland, and 2,116 internal medicine physician records in Oregon.
All 2,116 in Oregon → Every provider in Portland → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Myrna Casono, MDPortland, OR 972251588666432
- Timothy Cleary, M.D.Portland, OR 972251215933411
- Cynthia Ferrier, M.D.Portland, OR 972251285607440
- Robert Fojtasek, MDPortland, OR 972251306888649
- Steven Gordon, MDPortland, OR 972251285616748
- Thomas Gragnola, MDPortland, OR 972251144220765
- Janette Green, M.D.Portland, OR 972251225029986
- Charles Kilo, M.D.Portland, OR 972251801869078
Common questions
What is Wendy W. Yu, MD's NPI number?
Wendy W. Yu, MD's National Provider Identifier (NPI) is 1184016099, issued on Mar 2, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Wendy W. Yu, MD located?
The NPPES record lists a practice address at 9135 SW Barnes RD Ste 763, Portland, OR, 97225. Phone: (503) 216-8250. Providers update this record themselves, so call before visiting.
How can I verify Wendy W. Yu, MD's license?
NPPES lists Oregon license number MD193885, 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 Wendy W. Yu, MD prescribe under Medicare Part D?
In 2024, Wendy W. Yu, MD had 4,006 Medicare Part D claims for 501 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.