Mary Katherine Siemon
RN ARNP | Nurse Practitioner
180 Nickerson St, Ste 303, Seattle
Washington, 98109-1631
206-284-8963
Mary Katherine Siemon is a Seattle, Washington based nurse practitioner who is specialized as Nurse Practitioner. Active license number of Mary Katherine Siemon is AP30004897 for Nurse Practitioner in Washington. Her current practice location is 180 Nickerson St, Ste 303, Seattle. Patients can reach her at 206-284-8963. Mary Katherine Siemon is RN ARNP with specialization in Nurse Practitioner and her NPI number (Unique professional ID assigned by NPPES) is 1891802641.
Mary Katherine Siemon has completed additional training beyond basic nursing education and provides primary health care services in accordance with state nurse practice laws or statutes. NPs are trained to assess patient needs, order and interpret diagnostic and laboratory tests, diagnose disease, formulate and prescribe medications and treatment plans.
Complete Profile:
Mary Katherine Siemon speciality, credentials, practice address, contact phone number and fax are as below.
Patients can call on the below given phone number for appointment.
| Name: | Mary Katherine Siemon |
| Specialization: | Nurse Practitioner (NP) |
| Gender: | Female |
| Credentials: | RN ARNP |
| Practice Address: | 180 Nickerson St, Ste 303, Seattle,
Washington, 98109-1631 |
| Phone: | 206-284-8963 |
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details are as mentioned below.
| NPI Number: | 1891802641 |
| NPI Enumeration Date: | 25 Aug, 2006 |
| NPI Last Update On: | 11 Sep, 2025 |
Medical Licenses:
NPs can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Mary Katherine Siemon are as mentioned below.
| License Number | Specialization | State | Status | |
| AP30004897 | Nurse Practitioner | Washington | Primary | |
| RN00048036 | Registered Nurse | Washington | Secondary | |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | Mary Katherine Siemon
180 Nickerson St, Ste 303
Seattle, Washington |
| Zip: | 98109-1631 |
| Phone Number: | 206-284-8963 |
Patients can reach Mary Katherine Siemon at
180 Nickerson St, Ste 303, Seattle, Washington or can
call to book an appointment on 206-284-8963.
Comments/ Reviews:
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 December, 2025.