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

Dr. Katharine Middendorf, PHD

Individual provider Psychologist · NPI 1619428950

Dr. Katharine Middendorf, PHD is a Clinical Psychologist in Corvallis, Oregon. Qualified in 2015, 11 years ago. Practices with Good Samaritan Hospital Corvallis, a 375-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Oregon.

Years since qualifying
11
Licensed in
OR
In the registry since
2016
Specialties on file
2
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

3509 NW Samaritan Dr Ste 215
Corvallis, OR 97330-3893
Phone: (541) 768-5235
Show map & directions

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 2746 (OR)
Psychologist Taxonomy 103T00000X · Licence 2742 (OR)

Record details

NPI number1619428950
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedOctober 21, 2016
Last updated in NPPESNovember 11, 2020
Certification dateNovember 11, 2020

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2015 (11 years in practice)
Group practice Good Samaritan Hospital Corvallis — 375 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Corvallis