Lien B. Nguyen, DO
Neurology Physician · Seattle, WA
Lien B. Nguyen, DO is a neurology physician with a practice address in Seattle, Washington, and NPI 1023402914, issued on Mar 27, 2015. Check the license (Washington OP60946987, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Lien B. Nguyen
- Credential
- DO
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- OP60946987 WA
Self-reported in NPPES; status is on the state search - Practice location
- 550 17TH Ave, Seattle, WA 98122
- Phone
- (206) 320-2800
- Enumerated
- Mar 27, 2015
- Record last updated
- Oct 4, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (206) 320-2827
- Medicaid ID
- 1023402914 WA
- Medicare enrollment
- Enrolled (PECOS I20191030002908); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 489 in Washington → Look up another NPI →
Also registered at 550 17TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Abraham Abu, PA-CPhysician Assistant1710036587
- Sally Alfred, FNP-BCFamily Nurse Practitioner1750585097
- Lisa Caylor, MDNeurology Physician1124108048
- Michael Chen, MD, MSNeurology Physician1558757757
- Charles Cobbs, M.D.Neurological Surgery Physician1497793467
- Matias Costa, MDNeurological Surgery Physician1568032076
Verify Lien B. Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license OP60946987Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Providence Health And Services OregonSeattle, WA
- Swedish Health ServicesEdmonds, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lien B. Nguyen among 489 neurology physician records in Washington
Lien B. Nguyen, DO is one of 489 neurology physician records with a practice address in Washington. 82% 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, 21% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2015 · median 2007 among the 351 with a school on file
- Record last updated2019 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in Washington
There are 489 neurology physician records in Washington.
All 489 in Washington → Every provider in Seattle → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Lisa Caylor, MDSeattle, WA 981221124108048
- Michael Doherty, MDSeattle, WA 981221033299953
- Michael Elliott, MDSeattle, WA 981221518986199
- Eric Gierke, MDSeattle, WA 981221265537583
- Steven Hamilton, MDSeattle, WA 981221669409694
- Lily Henson, MDSeattle, WA 981221639252661
- Pravin Khemani, MDSeattle, WA 981221457360836
- Dongmei Liu, MDSeattle, WA 981221679678791
Common questions
What is Lien B. Nguyen, DO's NPI number?
Lien B. Nguyen, DO's National Provider Identifier (NPI) is 1023402914, issued on Mar 27, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Lien B. Nguyen, DO located?
The NPPES record lists a practice address at 550 17TH Ave, Seattle, WA, 98122. Phone: (206) 320-2800. Providers update this record themselves, so call before visiting.
How can I verify Lien B. Nguyen, DO's license?
NPPES lists Washington license number OP60946987, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.