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

Ashley Tollefson, MD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1891228508

Ashley Tollefson, MD is an Anesthesiology in Kirkland, Washington. Graduated from University of Minnesota Medical School in 2017, 9 years ago. Practices with Matrix Anesthesia, Ps, a 87-clinician group and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
9
Trained at
University of Minnesota Medical School
Licensed in
WA
In the registry since
2017
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

12040 NE 128th St
Kirkland, WA 98034-3013
Phone: (425) 899-3455
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence MD61148883 (WA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1891228508
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 10, 2017
Last updated in NPPESJanuary 11, 2022
Certification dateJanuary 11, 2022
Mailing addressPo Box 4069, Everett, WA 98204-0007

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolUNIVERSITY OF MINNESOTA MEDICAL SCHOOL
Graduated 2017 (9 years in practice)
Group practice Matrix Anesthesia, Ps — 87 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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