THEJANA K. MARASINGHE M.D.
NPI 1184777534
General Practice in Seattle, WA

Active since January 19, 2007PECOS EnrolledAccepts Medicare Assignment
310 15TH AVE E, SEATTLE, WA 98112(206) 326-3000 Get Directions Write a Review

NPPES record last updated: June 17, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Thejana K. Marasinghe M.d. NPPES

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

THEJANA K. MARASINGHE M.D. (NPI 1184777534) is an individual general practice provider in Seattle, Washington, licensed in Washington (ML20008538) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with Providence Regional Medical Center Everett, and maintains a secondary practice location in Everett.

NPPES Registry Identity

NPI1184777534
Entity TypeIndividualMale
Primary Taxonomy208D00000X
Provider Legal NameTHEJANA K. MARASINGHECredential: M.D.
Location Address310 15TH AVE ESeattle, WA 98112-5103
Mailing AddressPo Box 34584Seattle, WA 98124-1584 · (509) 241-7349 · Fax (509) 241-7628
Sole ProprietorNo
Medical School CMSOtherGraduated 2002
Enumeration DateJanuary 19, 2007
Last NPPES UpdateJune 17, 2021
NPPES CertifiedJune 17, 2021
NPI 1184777534 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians
Taxonomy Code208D00000X
License Licensed in WA · ML20008538
Definition
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee
310 15TH AVE E, Seattle, WA 98112

Secondary Practice Location 1

Location 112800 Bothell Everett HwyEverett, WA 98208-6642 · Phone (425) 316-5180 · Fax (425) 316-5181

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Thejana K. Marasinghe M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID941341986
PECOS Enrollment IDI20100112000863
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.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
148 services88 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
64 services51 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
28 services28 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
18 services18 patients
Influenza vaccine, inactivated 90653
The Influenza vaccine, inactivated, is a shot given to protect against the flu. It contains killed virus particles that help your body build immunity to the flu. It's recommended annually to keep your protection up-to-date. It's safe for ages 6 months and up.
15 services15 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Providence Regional Medical Center Everett

Acute Care Hospitals · Everett, WA
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number500014
Location1321 Colby AvenueEverett, WA 98201 · Snohomish County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES 20

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

Obstetrics & Gynecology (Obstetrics)
310 15TH AVE E
SEATTLE, WA 98112
Obstetrics & Gynecology
310 15TH AVE E
SEATTLE, WA 98112
Internal Medicine (Pulmonary Disease)
310 15TH AVE E
SEATTLE, WA 98112
Social Worker
310 15TH AVE E
SEATTLE, WA 98112
Nurse Practitioner
310 15TH AVE E
SEATTLE, WA 98112
Psychiatry & Neurology (Psychiatry)
310 15TH AVE E
SEATTLE, WA 98112
Pharmacist
310 15TH AVE E
SEATTLE, WA 98112
Radiology (Body Imaging)
310 15TH AVE E
SEATTLE, WA 98112

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Thejana Marasinghe's NPI number?

The NPI number for Thejana Marasinghe is 1184777534. It was assigned to this individual provider in the NPPES registry on January 19, 2007.

Where is Thejana Marasinghe located?

Thejana Marasinghe practices at 310 15th Ave E, Seattle, WA 98112. The listed phone number is (206) 326-3000.

What is Thejana Marasinghe's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Is Thejana Marasinghe enrolled in Medicare?

Yes. Thejana Marasinghe is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Thejana Marasinghe accept?

Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Thejana Marasinghe as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Thejana Marasinghe affiliated with any hospitals?

According to CMS data, Thejana Marasinghe is affiliated with Providence Regional Medical Center Everett.

When was this NPI record last updated?

The NPPES record for Thejana Marasinghe was last updated on June 17, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.