THANUJA U LIYANARACHCHI M.D.
NPI 1740329648
Family Medicine in Seattle, WA

Q: What is Thanuja Liyanarachchi's NPI number?

The NPI number for Thanuja Liyanarachchi is 1740329648. It was assigned to this individual provider in the NPPES registry on February 6, 2007.

Q: What is Thanuja Liyanarachchi's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Active since February 06, 2007PECOS Enrolled

1420 5TH AVE STE 375, SEATTLE, WA 98101(206) 223-2611 Get Directions Write a Review

NPPES record last updated: April 28, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Thanuja U Liyanarachchi M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

THANUJA U LIYANARACHCHI M.D. (NPI 1740329648) is an individual family medicine provider in Seattle, Washington, licensed in Washington (MD00044284) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1740329648

Entity TypeIndividualFemale

Primary Taxonomy207Q00000X

Provider Legal NameTHANUJA U LIYANARACHCHICredential: M.D.

Location Address1420 5TH AVE STE 375Seattle, WA 98101-4032

Mailing Address1420 5th Ave Ste 375Seattle, WA 98101-4032 · (206) 223-2611

Phone(206) 223-2611

Sole ProprietorNo

Enumeration DateFebruary 6, 2007

Last NPPES UpdateApril 28, 2021

NPPES CertifiedApril 28, 2021

✔ NPI 1740329648 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in WA · MD00044284

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

1420 5TH AVE STE 375, Seattle, WA 98101

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Other Identifiers 1

Medicaid8447625WA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Thanuja U Liyanarachchi M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Thanuja Liyanarachchi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Kaiser Foundation Health Plan Of Washington

0.8 mi

Multi-Specialty

320 WESTLAKE AVE. N., SUITE 100
Seattle, WA 98109

Reassigned Medicare billing, Washington enrollment
2,678 clinicians in this Medicare group

NPI 1396810701 (206) 448-6561

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98101 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$97.43 typical visit price

range $63.67 – $189.37

Typical copayment $24.35 (range $15.91 – $47.34)

Most-billed visit code 99203

Established Patient

$111.00 typical visit price

range $21.12 – $155.00

Typical copayment $27.75 (range $5.28 – $38.75)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 9

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MELISSA SZOCIK

Physician Assistant (Medical)