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
Mailing addressPo Box 50095, Seattle, WA 98145-5095

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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