Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Stefanie Marie Dieffenbach, WHNP-BC

Individual provider Women's Health Nurse Practitioner · NPI 1033965744

Stefanie Marie Dieffenbach, WHNP-BC is a Nurse Practitioner in Portland, Oregon. Qualified in 2023, 3 years ago. Practices with Providence Health and Services Oregon, a 1,426-clinician group and accepts Medicare assignment. Licensed in Oregon.

Years since qualifying
3
Licensed in
OR
In the registry since
2024
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Practice location Address checks out

545 NE 47th Ave Ste 102
Portland, OR 97213-2237
Phone: (503) 215-6262
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Women's Health Nurse Practitioner (primary) Taxonomy 363LW0102X · Licence 10025329 (OR)

Record details

NPI number1033965744
Entity typeIndividual (Type 1)
GenderFemale
Credentials WHNP-BC
Sole proprietorYes
NPI enumeratedApril 24, 2024
Last updated in NPPESApril 24, 2024
Certification dateApril 24, 2024

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 Providence Health And Services Oregon — 1426 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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