Individual provider · Type 1 NPI

Mary Katherine Siemon, RN ARNP

Nurse Practitioner · Seattle, WA

NPI number 1891802641 Active

Practice location

180 Nickerson St, Ste 303
Seattle, WA 98109-1631

Specialties and licenses

TaxonomyCodeLicense
Registered Nurse 163W00000XRN00048036 (WA)
Nurse Practitioner Primary 363L00000XAP30004897 (WA)

Nurse Practitioner: (1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance wit…

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About NPI 1891802641

Mary Katherine Siemon, RN ARNP's National Provider Identifier is 1891802641, issued on Aug 25, 2006. The primary taxonomy on file is Nurse Practitioner (363L00000X), and the practice location is in Seattle, WA. The record was last updated on Sep 11, 2025.