Yi Y. Lian, M.D.
Specialist · Portland, OR
Yi Y. Lian, M.D. is a specialist with a practice address in Portland, Oregon, and NPI 1891793782, issued on Jul 13, 2005. Check the license (Oregon MD21081, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Yi Y. Lian
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- MD21081 OR
Self-reported in NPPES; status is on the state search - Practice location
- 3303 SE 89TH Ave, Portland, OR 97266
- Phone
- (541) 430-7868
- Enumerated
- Jul 13, 2005
- Record last updated
- Jan 25, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicaid ID
- 288043 OR
- Entity
- Type 1 · individual
8 nearest specialist records → All 1,085 in Oregon → Look up another NPI →
Verify Yi Y. Lian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license MD21081Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average specialist in 2024
64 Medicare Part D claims, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D.
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.
Yi Y. Lian among 1,085 specialist records in Oregon
Yi Y. Lian, M.D. is one of 1,085 specialist records with a practice address in Oregon. 9% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileYes · 9% of these records are
- In the CMS Doctors and Clinicians fileNo · 6% of these records are
- Record last updated2008 · 85% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in Oregon
There are 1,085 specialist records in Oregon.
All 1,085 in Oregon → Every provider in Portland → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Thomas Aukland, LMTPortland, OR 972661003041450
- Braylin Mitchell, LEPortland, OR 972671124842844
- Patrice Tilka, LMTMilwaukie, OR 972671255651600
- Katherine Baldwin, LMTPortland, OR 972391053604496
- Marisa Brickman, MS, OTR/LPortland, OR 972391356658603
- Michelle CappadonaPortland, OR 972391669914305
- Darren DigbyPortland, OR 972391316615461
- Katelyn Freeman, LMTPortland, OR 972391801092291
Common questions
What is Yi Y. Lian, M.D.'s NPI number?
Yi Y. Lian, M.D.'s National Provider Identifier (NPI) is 1891793782, issued on Jul 13, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Yi Y. Lian, M.D. located?
The NPPES record lists a practice address at 3303 SE 89TH Ave, Portland, OR, 97266. Phone: (541) 430-7868. Providers update this record themselves, so call before visiting.
How can I verify Yi Y. Lian, M.D.'s license?
NPPES lists Oregon license number MD21081, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does Yi Y. Lian, M.D. prescribe under Medicare Part D?
In 2024, Yi Y. Lian, M.D. had 64 Medicare Part D claims; the average among specialist prescribers was 1,380. 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.