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

Mrs. Sera Lu Madsen, ARNP

Individual provider Registered Nurse · NPI 1295456838

Mrs. Sera Lu Madsen, ARNP is a Nurse Practitioner in Everett, Washington. Graduated from University of Washington School of Medicine in 2025, 1 year ago. Practices with Snokidney PLLC, an 11-clinician group and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
1
Trained at
University of Washington School of Medicine
Licensed in
WA
In the registry since
2022
Specialties on file
2
What do these letters mean?
ARNP — Advanced Registered Nurse Practitioner
The title some states use for an advanced practice nurse.

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Practice location Address checks out

2707 Colby Ave Ste 718
Everett, WA 98201-3564
Phone: (425) 339-5413
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 70006026 (WA)
Registered Nurse Taxonomy 163W00000X · Licence RN60451577 (WA)

Record details

NPI number1295456838
Entity typeIndividual (Type 1)
GenderFemale
Credentials ARNP
Sole proprietorNo
NPI enumeratedSeptember 12, 2022
Last updated in NPPESJuly 25, 2025
Certification dateJuly 25, 2025

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolUNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE
Graduated 2025 (1 years in practice)
Group practice Snokidney Pllc — 11 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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