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

Marta Beth Michniewicz

Individual provider Family Nurse Practitioner · NPI 1497472906

Marta Beth Michniewicz is a Nurse Practitioner in Portland, Oregon. Qualified in 2023, 3 years ago. Practices with Kaiser Foundation Health Plan of the Northwest, a 1,811-clinician group and accepts Medicare assignment. Licensed in Oregon.

Years since qualifying
3
Licensed in
OR
In the registry since
2022
Specialties on file
2

Practice location Address checks out

19500 SE Stark St
Portland, OR 97233-5757
Phone: (800) 813-2000
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 10020363 (OR)
Emergency Registered Nurse Taxonomy 163WE0003X · Licence 201404493RN (OR)

Record details

NPI number1497472906
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedOctober 25, 2022
Last updated in NPPESMarch 9, 2026
Certification dateMarch 9, 2026

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2023 (3 years in practice)
Group practice Kaiser Foundation Health Plan Of The Northwest — 1811 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Portland