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Active NPI 1184777534 Individual Practitioner Male Practitioner

Dr. Thejana K. Marasinghe , MD

General Practice • Seattle, WA

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Thejana Marasinghe, MD is a certified General Practice practicing in Seattle, WA. With approximately 24 years of clinical experience since completing medical education in 2002, Dr. Marasinghe delivers high-quality medical care to the local community at 310 15TH AVE E.

Dr. Marasinghe is affiliated with Providence Health And Services- Washington and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include established patient outpatient office visit, visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's, annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

310 15th Ave E

Seattle, WA 981125103

Telephone 2063263000
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Other

Graduation Year

2002

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for General Practice in Seattle, WA

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
24 Yrs -3.8 yrs vs City Avg
City Avg: 27.8 Yrs
State Avg: 30.0 Yrs
Regional Practice Density
35 Specialists

Practicing in Seattle, WA (423 Statewide)

Telehealth Adoption Rate
2.9% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount
57.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Marasinghe (24 Years) 24 Yrs
Seattle Specialty Average (27.8 Years) 27.8 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
148 88 $391.00 $128.01
99213 Established patient office or other outpatient visit, typically 15 minutes
64 51 $276.00 $87.67
G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's
39 32 $46.00 $16.19
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit
28 28 $395.00 $129.14
G0008 Administration of influenza virus vaccine
18 18 $38.00 $32.37
90653 Vaccine for influenza for injection into muscle
15 15 $93.00 $81.82
91320 Sarscv2 vac 30mcg trs-suc im
11 11 $278.00 $150.57
90480 Admn sarscov2 vacc 1 dose
11 11 $64.00 $43.16

Medical Specialties & State Licenses

CMS Verified: 2021-06-17
General Practice Primary Specialty

NUCC Taxonomy Code: 208D00000X

State License WA ML20008538

A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions.

Hospital & Practice Group Affiliations

Providence Health And Services- Washington

12800 Bothell Everett Hwy, Everett, WA 982086644

Providence Health And Services- Washington

4112 Harbour Pointe Blvd Sw, Mukilteo, WA 982755457

Phone: 4253476330

Providence Health And Services- Washington

1321 Colby Ave, Everett, WA 982011665

Phone: 4252975234

Providence Health And Services- Washington

1321 Colby Ave, Everett, WA 982011665

Phone: 4252612000

Secondary Practice Locations

12800 Bothell Everett Hwy

Everett, WA 982086642

Phone: 4253165180

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Dr. Jaime Michaelson , MD

Obstetrics & Gynecology - Obstetrics

NPI 1003013426

Doctor of Medicine (M.D.)

Dr. Vivian Yu , MD

Obstetrics & Gynecology

NPI 1003348723

Doctor of Medicine (M.D.)

Dr. Andrew Feld , MD

Internal Medicine - Gastroenterology

NPI 1003818709

Doctor of Medicine (M.D.)

Dr. Michael Nevins , MD

Internal Medicine - Pulmonary Disease

NPI 1003969270

Doctor of Medicine (M.D.)

Carolyn Berg , LW

Social Worker

NPI 1013042076
Dr. Michael Cho , MD

Internal Medicine - Rheumatology

NPI 1013116722

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events
NPI Profile Active February 26, 2009

NPI status registered as active in NPPES database

📍
Updated Practice Location February 26, 2009

Registered at 310 15TH AVE E, SEATTLE, WA 981125103 (Tel: 2063263000)

📍
Updated Business Mailing Address February 26, 2009

Registered at PO BOX 34584, SEATTLE, WA 981241584 (Tel: 5092417349)

👤
Provider Name / Credentials Updated February 26, 2009

Recorded as THEJANA MARASINGHE, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 26, 2009

General Practice (License #ML20008538 in WA)

🟢
Initial NPI Registration & Enumeration January 19, 2007

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1184777534
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: January 19, 2007
Last Update: June 17, 2021
Sole Proprietor: No

Mailing Address

Po Box 34584

Seattle, WA 981241584

Phone: 5092417349

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.