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

Dr. Sue Masten, MD

Individual provider Internal Medicine Physician · NPI 1225377369

Dr. Sue Masten, MD is an Internal Medicine Physician in Seattle, Washington. Practices as a sole proprietor. Licensed in Washington.

Licensed in
WA
In the registry since
2013
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

3101 Western Ave Ste 600
Seattle, WA 98121-3047
Phone: (206) 696-4680
Fax: (206) 937-2629
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD00027009 (WA)

Record details

NPI number1225377369
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 9, 2013
Last updated in NPPESFebruary 9, 2013

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