Thanuja U. Liyanarachchi, M.D.
Family Medicine Physician · Seattle, WA
Thanuja U. Liyanarachchi, M.D. is a family medicine physician with a practice address in Seattle, Washington, and NPI 1740329648, issued on Feb 6, 2007. Check the license (Washington MD00044284, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Thanuja U. Liyanarachchi
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD00044284 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1420 5TH Ave Ste 375, Seattle, WA 98101
- Phone
- (206) 223-2611
- Enumerated
- Feb 6, 2007
- Record last updated
- Apr 28, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 8447625 WA
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,534 in Washington → Look up another NPI →
Also registered at 1420 5TH Ave Ste 375
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nancy Carter, M.D.Family Medicine Physician1285784900
- Shannon Guo, O.D.Optometrist1912320045
- Charles Mayer, MDFamily Medicine Physician1487739298
- Christine Nguyen, D.O.Family Medicine Physician1912128414
- Margurite Staab, P.A.Family Medicine Physician1558414268
- Melissa SzocikMedical Physician Assistant1144372228
Verify Thanuja U. Liyanarachchi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00044284Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average family medicine physician in 2024
297 Medicare Part D claims for 212 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Paxlovid40 claims
- Alvesco28 claims
- Albuterol Sulfate Hfa27 claims
- Fluticasone Propionate20 claims
- Cefuroxime15 claims
- Prednisone15 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.
Thanuja U. Liyanarachchi among 5,534 family medicine physician records in Washington
Thanuja U. Liyanarachchi, M.D. is one of 5,534 family medicine physician records with a practice address in Washington. 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 2007, is newer than 42% of them.
- NPI issued2007 · 42% of these records are older, 47% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2021 · 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 207Q00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
871 family medicine physician records list a practice address in Seattle
They are 871 of the 41,956 NPPES records with a practice address in Seattle, and 5,534 family medicine physician records in Washington.
All 5,534 in Washington → Every provider in Seattle → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Dennis Anderson, DOSeattle, WA 981011386689628
- Erika Bliss, M.D.Seattle, WA 981011972581031
- Katherine Brown, M.D.Seattle, WA 981011952377335
- Courtney Canavera, M.D.Seattle, WA 981011639254576
- Edward Conklin, M.D.Seattle, WA 981011467537365
- Lindy Griffin, D.O.Seattle, WA 981011912906439
- Jennie Huang, MDSeattle, WA 981011316936891
- Darla Klokeid, M.D.Seattle, WA 981011699745687
Common questions
What is Thanuja U. Liyanarachchi, M.D.'s NPI number?
Thanuja U. Liyanarachchi, M.D.'s National Provider Identifier (NPI) is 1740329648, issued on Feb 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Thanuja U. Liyanarachchi, M.D. located?
The NPPES record lists a practice address at 1420 5TH Ave Ste 375, Seattle, WA, 98101. Phone: (206) 223-2611. Providers update this record themselves, so call before visiting.
How can I verify Thanuja U. Liyanarachchi, M.D.'s license?
NPPES lists Washington license number MD00044284, 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.
How much does Thanuja U. Liyanarachchi, M.D. prescribe under Medicare Part D?
In 2024, Thanuja U. Liyanarachchi, M.D. had 297 Medicare Part D claims for 212 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.