Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Marshall A Corson

Individual provider Cardiovascular Disease Physician · NPI 1548346349

Marshall A Corson is a Cardiovascular Disease (Cardiology) in Seattle, Washington. Graduated from Baylor College of Medicine in 1981, 45 years ago. Practices with Whidbey Island Public Hospital District, a 99-clinician group and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
45
Trained at
Baylor College of Medicine
Licensed in
WA
In the registry since
2006
Specialties on file
2
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Practice location Partly verified

Some contact details are missing from the federal record.

Harborview Medical Center 325 9th Ave
Seattle, WA 98104-9747
Phone: (206) 731-3475
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Interventional Cardiology Physician (primary) Taxonomy 207RI0011X · Licence MD00031838 (WA)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence MD00031838 (WA)

Record details

NPI number1548346349
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedOctober 27, 2006
Last updated in NPPESApril 27, 2011

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolBAYLOR COLLEGE OF MEDICINE
Graduated 1981 (45 years in practice)
Group practice Whidbey Island Public Hospital District — 99 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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