Yi Lian, M.D.
NPI 1891793782 · Specialist · Portland, OR
Enrolled with Medicare as Order and Referring Only - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yi Lian, M.D. is a Specialist provider in Portland, OR (NPI 1891793782).
Provider details
- NPI number
- 1891793782
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MD21081 (OR)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-13
- Last updated
- 2008-01-25
Frequently asked questions
- What is Yi Lian's NPI number?
- Yi Lian's National Provider Identifier (NPI) is 1891793782, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yi Lian's specialty?
- Yi Lian is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Yi Lian located?
- Yi Lian's practice location on file with NPPES is 3303 Se 89th Ave, Portland, OR 97266-1912.
- What is Yi Lian's phone number?
- The practice phone number listed in the NPPES registry for Yi Lian is (541) 430-7868.
- Does Yi Lian accept Medicare?
- Yi Lian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yi Lian's NPI active?
- Yes — Yi Lian's NPI (1891793782) is active in the NPPES registry as of the last update on 2008-01-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.