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

Individual provider Family Medicine Physician · NPI 1427256809

Annelise Marjolein Jacobsen Gaaserud, MD is registered under Family Practice in Seattle, Washington. Qualified in 2004, 22 years ago. Practices with Kaiser Foundation Health Plan of Washington, a 1,519-clinician group and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
22
Licensed in
WA
In the registry since
2007
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

125 16th Ave E Capitol Hill Campus S Bldg
Seattle, WA 98112-5211
Phone: (206) 326-3530
Fax: (206) 326-3558
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence ML20008175 (WA)

Record details

NPI number1427256809
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 6, 2007
Last updated in NPPESApril 7, 2021
Certification dateApril 7, 2021

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 2004 (22 years in practice)
Group practice Kaiser Foundation Health Plan Of Washington — 1519 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients11
Services billed 17 a service is one billed item, such as a visit, a test or a procedure
Average patient age70

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Colleagues at Kaiser Foundation Health Plan of Washington

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 1519 clinicians in the practice; 12 are shown here.

Other providers in Seattle