Marshall A Corson, - Medicare Internal Medicine in Seattle, WA

Marshall A Corson, is a medicare enrolled "Internal Medicine - Interventional Cardiology" physician in Seattle, Washington. His current practice location is Harborview Medical Center, 325 9th Ave, Seattle, Washington. You can reach out to his office (for appointments etc.) via phone at (206) 731-3475.

Marshall A Corson is licensed to practice in Washington (license number MD00031838) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1548346349.

Contact Information

Marshall A Corson,
Harborview Medical Center, 325 9th Ave,
Seattle, WA 98104-9747
(206) 731-3475
Not Available

Map and Direction




Physician's Profile

Full NameMarshall A Corson
GenderMale
SpecialityInternal Medicine - Interventional Cardiology
LocationHarborview Medical Center, Seattle, Washington
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1548346349
  • Provider Enumeration Date: 10/27/2006
  • Last Update Date: 04/27/2011
  Medicare PECOS Information:
  • PECOS PAC ID: 1456488444
  • Enrollment ID: I20100422001008

Medical Identifiers

Medical identifiers for Marshall A Corson such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1548346349NPI-NPPES
3403OtherINTERNAL ID-MOTOR VEHICLE ID
8157166MedicaidWA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RC0000XInternal Medicine - Cardiovascular Disease MD00031838 (Washington)Secondary
207RI0011XInternal Medicine - Interventional Cardiology MD00031838 (Washington)Primary

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. Marshall A Corson allows following entities to bill medicare on his behalf.
Entity NameWhidbey Island Public Hospital District
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1710927231
PECOS PAC ID: 1658280680
Enrollment ID: O20040210000761
Entity NameWhidbey Island Public Hospital District
Entity TypePart A Provider - Critical Access Hospital
Entity IdentifiersNPI Number: 1710927231
PECOS PAC ID: 1658280680
Enrollment ID: O20071105000513

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. Marshall A Corson 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
Marshall A Corson,
Po Box 50095,
Seattle, WA 98145-5095

Ph: () -
Marshall A Corson,
Harborview Medical Center, 325 9th Ave,
Seattle, WA 98104-9747

Ph: (206) 731-3475

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).

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