Stella Chiu, PA
Medical Physician Assistant · Portland, OR
Stella Chiu, PA is a medical physician assistant with a practice address in Portland, Oregon, and NPI 1821565409, issued on Oct 31, 2018. Check the license (Oregon PA204014, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Stella Chiu
- Credential
- PA
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA204014 OR
Self-reported in NPPES; status is on the state search - Practice location
- 3303 S Bond Ave, Portland, OR 97239
- Phone
- (503) 494-4373
- Enumerated
- Oct 31, 2018
- Record last updated
- Jul 6, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (503) 418-4189
- Medicare enrollment
- Enrolled (PECOS I20210629002345); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 699 in Oregon → Look up another NPI →
Also registered at 3303 S Bond Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Stella Chiu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license PA204014Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% fewer Medicare Part D claims than the average medical physician assistant in 2024
497 Medicare Part D claims for 108 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.
Most prescribed
- Pantoprazole Sodium81 claims
- Omeprazole75 claims
- Sucralfate40 claims
- Famotidine35 claims
- Linzess34 claims
- Motegrity28 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
- University Professional ServicesBeaverton, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stella Chiu among 699 medical physician assistant records in Oregon
Stella Chiu, PA is one of 699 medical physician assistant records with a practice address in Oregon. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 72% of them.
- NPI issued2018 · 72% of these records are older, 23% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2018 · median 2014 among the 508 with a school on file
- Record last updated2021 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in Oregon
There are 699 medical physician assistant records in Oregon.
All 699 in Oregon → Every provider in Portland → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Katherine Bischof, PA-CPortland, OR 972391831165737
- Theresa Huong Dang, PA-CPortland, OR 972391679678726
- Lisa Egan, PAPortland, OR 972391407862964
- Kimberly Felder, PA-CPortland, OR 972391972548865
- Stephen Giles, PAPortland, OR 972391982612446
- Anya Hill, PA-CPortland, OR 972391255342234
- Lori Kelly, PA-CPortland, OR 972391689670226
- Katharine Keranen, PAPortland, OR 972391235174236
Common questions
What is Stella Chiu, PA's NPI number?
Stella Chiu, PA's National Provider Identifier (NPI) is 1821565409, issued on Oct 31, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Stella Chiu, PA located?
The NPPES record lists a practice address at 3303 S Bond Ave, Portland, OR, 97239. Phone: (503) 494-4373. Providers update this record themselves, so call before visiting.
How can I verify Stella Chiu, PA's license?
NPPES lists Oregon license number PA204014, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does Stella Chiu, PA prescribe under Medicare Part D?
In 2024, Stella Chiu, PA had 497 Medicare Part D claims for 108 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.