Katharine Middendorf, PH.D.
NPI 1619428950 · Psychologist · Corvallis, OR
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katharine Middendorf, PH.D. is a Psychologist provider in Corvallis, OR (NPI 1619428950).
Provider details
- NPI number
- 1619428950
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 2742 (OR)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-10-21
- Last updated
- 2020-11-11
- Certified
- 2020-11-11
Frequently asked questions
- What is Katharine Middendorf's NPI number?
- Katharine Middendorf's National Provider Identifier (NPI) is 1619428950, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katharine Middendorf's specialty?
- Katharine Middendorf is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Katharine Middendorf located?
- Katharine Middendorf's practice location on file with NPPES is 3509 Nw Samaritan Dr Ste 215, Corvallis, OR 97330-3893.
- What is Katharine Middendorf's phone number?
- The practice phone number listed in the NPPES registry for Katharine Middendorf is (541) 768-5235.
- Does Katharine Middendorf accept Medicare?
- Katharine Middendorf is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katharine Middendorf's NPI active?
- Yes — Katharine Middendorf's NPI (1619428950) is active in the NPPES registry as of the last update on 2020-11-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.