Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Thejana K. Marasinghe, MD

Individual provider General Practice Physician · NPI 1184777534

Thejana K. Marasinghe, MD is a Family Practice in Seattle, Washington. Qualified in 2002, 24 years ago. Practices with Providence Health and Services- Washington, a 526-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Washington.

Years since qualifying
24
Licensed in
WA
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

310 15th Ave E
Seattle, WA 98112-5103
Phone: (206) 326-3000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 12800 Bothell Everett Hwy, Everett, WA 98208-6642 — (425) 316-5180

Specialties & licences

General Practice Physician (primary) Taxonomy 208D00000X · Licence ML20008538 (WA)

Record details

NPI number1184777534
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 19, 2007
Last updated in NPPESJune 17, 2021
Certification dateJune 17, 2021
Mailing addressPo Box 34584, Seattle, WA 98124-1584

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 2002 (24 years in practice)
Group practice Providence Health And Services- Washington — 526 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations4 on file with Medicare

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