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

Donna Lee Hammar, FNP

Individual provider Family Nurse Practitioner · NPI 1427006576

Donna Lee Hammar, FNP is a Nurse Practitioner in Portland, Oregon. Qualified in 1993, 33 years ago. Practices with Providence Health and Services Oregon, a 102-clinician group and accepts Medicare assignment. Licensed in Oregon.

Years since qualifying
33
Licensed in
OR
In the registry since
2006
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

See every abbreviation used in this directory →

Practice location Address checks out

3181 SW Sam Jackson Park Rd
Portland, OR 97239-3011
Phone: (503) 494-8311
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 082007120N1 (OR)

Record details

NPI number1427006576
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorNo
NPI enumeratedMay 4, 2006
Last updated in NPPESSeptember 28, 2020
Certification dateSeptember 28, 2020

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 1993 (33 years in practice)
Group practice Providence Health And Services Oregon — 102 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Portland