Thejana K Marasinghe, MD - Medicare Family Practice in Seattle, WA

Thejana K Marasinghe, MD is a medicare enrolled "General Practice" physician in Seattle, Washington. He graduated from medical school in 2002 and has 22 years of diverse experience with area of expertise as Family Practice. He is a member of the group practice Providence Health And Services- Washington and his current practice location is 310 15th Ave E, Seattle, Washington. You can reach out to his office (for appointments etc.) via phone at (206) 326-3000.

Thejana K Marasinghe is licensed to practice in Washington (license number ML20008538) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1184777534.

Contact Information

Thejana K Marasinghe, MD
310 15th Ave E,
Seattle, WA 98112-5103
(206) 326-3000
Not Available

Map and Direction




Physician's Profile

Full NameThejana K Marasinghe
GenderMale
SpecialityFamily Practice
Experience22 Years
Location310 15th Ave E, Seattle, Washington
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Thejana K Marasinghe graduated from medical school in 2002
  NPI Data:
  • NPI Number: 1184777534
  • Provider Enumeration Date: 01/19/2007
  • Last Update Date: 06/17/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 0941341986
  • Enrollment ID: I20100112000863

Medical Identifiers

Medical identifiers for Thejana K Marasinghe such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1184777534NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208D00000XGeneral Practice ML20008538 (Washington)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Providence Regional Medical Center EverettEverett, WAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Providence Health And Services- Washington8325100480424

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Thejana K Marasinghe allows following entities to bill medicare on his behalf.
Entity NameKaiser Foundation Health Plan Of Washington
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1396810701
PECOS PAC ID: 9032022579
Enrollment ID: O20031112000454
Entity NameProvidence Health & Services- Washington
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1124270715
PECOS PAC ID: 8325100480
Enrollment ID: O20081224000111

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Thejana K Marasinghe is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Thejana K Marasinghe, MD
Po Box 34584,
Seattle, WA 98124-1584

Ph: (509) 241-7349
Thejana K Marasinghe, MD
310 15th Ave E,
Seattle, WA 98112-5103

Ph: (206) 326-3000

Reviews and Comments


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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.