Thejana K. Marasinghe, M.D.
With over 24 years in general practice, Thejana K. Marasinghe, M.D. is a long-established general practitioner in Seattle. With 24+ years of experience, he has been practicing in the Seattle area. Among his Medicare patients, common conditions include high cholesterol, hypertension, and arthritis (per CMS data).
At a glance
- Prescribes opioids less than 50% of reporting doctors in Washington
- Uses generic medications more than 65% of reporting doctors in Washington
- Virtual visits available — no app or travel required
Older · 1784dNPPES updated 2021-06-17 · verify on CMS
How Does This Doctor Compare?
Based on Medicare data, this doctor prescribes opioid pain medications conservatively, favors affordable generic drugs over brand-name ones.
Opioid Rx
↓ Lower = better1.91%
Washington avg: 5.7 · US avg: 5.1
✓ Higher than most doctors nationally(-3.2 pts)
Typical range among reporting doctors in Washington1.91% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Generic Rx
↑ Higher = better90.6%
Washington avg: 85.1 · US avg: 82.8
✓ Higher than most doctors nationally(+7.8 pts)
Typical range among reporting doctors in WashingtonHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
107
Unique beneficiaries
Standard volumePrescription Recipients
272
Patients prescribed
Prescriptions Written
2,572
Total claims
Total Medicare drug cost: $203k
Percentile rankings compared against 1,521 reporting peers in Washington.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages High Cholesterol, Hypertension, and Arthritis.
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↓ Fewer patients than average (-1%) — less common here
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-19%) — less common here
Conditions affecting emotional state, including depression and bipolar disorder
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↓ Fewer patients than average (-13%) — less common here
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↓ Fewer patients than average (-11%) — less common here
A mood disorder causing persistent sadness and loss of interest in activities
US avg: 31.8%↓ Fewer patients than average (-11%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Board certified · Jun 16, 2021
CMS-verified certification date
24 years in practice
Experienced
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions.
Taxonomy: 208D00000X
Mailing address
Po Box 34584, Seattle, WA 98124-1584
Differs from practice location
Virtual General Practice Care With Thejana K. Marasinghe
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Thejana K. Marasinghe for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to Seattle required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Thejana K. Marasinghe
NPI records show Dr. Marasinghe as active with telehealth listed in Seattle, WA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (206) 326-3000.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
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Contact Thejana K. Marasinghe
Practice Location
310 15th Ave E, Seattle, WA 98112-5103
Mailing Address
Po Box 34584, Seattle, WA 98124-1584
This is a provider directory. Contact the office directly to schedule appointments.
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