Thejana K. Marasinghe, M.D.
NPI 1184777534ActiveIndividual· General Practice· Seattle, WA
General Practice (M.D.) with Providence Health and Services- Washington, practicing in Seattle, Washington. Their prescriptions cost Medicare Part D more than their services did: $222,642 for 3,353 claims, against $31,889 paid for services in 2024. Lists Providence Regional Medical Center Everett as a hospital affiliation.
Overview
| NPI | 1184777534 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 19, 2007 |
| Last updated in NPPES | Jun 17, 2021 |
| Certified by provider | Jun 17, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| General Practice Primary | 208D00000X | ML20008538 | WA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Family Practice (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 128 |
|---|---|
| Services billed | 611 across 35 procedure codes |
| Paid by Medicare | $31,889 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,353 · 7,529 30-day fills |
|---|---|
| Patients | 315 |
| Total drug cost | $222,642 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Providence Health and Services- WashingtonEverett, WA · 529 clinicians
Hospital affiliation
- Providence Regional Medical Center EverettEverett, WA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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