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Clinical Psychologist

Katharine G. Middendorf

Sees patients in Corvallis, OR · Oregon

Summary

Katharine G. Middendorf is a clinical psychologist at 3509 NW Samaritan Dr, Suite 215, Corvallis, OR 97330. Phone: (541) 768-5235. Accepts Medicare assignment. NPI 1619428950. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Clinical psychologist
  • Address: 3509 NW Samaritan Dr, Suite 215, Corvallis, OR 97330 · Directions
  • Phone: (541) 768‑5235
  • Medicare: Accepts Medicare assignment
  • Group practice: Good Samaritan Hospital Corvallis
  • School: graduated 2015
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Katharine G. Middendorf, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Katharine G. Middendorf accept Medicare assignment?
Yes. Medicare's clinician data says Katharine G. Middendorf accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Katharine G. Middendorf's NPI number?
1619428950. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Katharine G. Middendorf is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Katharine G. Middendorf as a member of this group (CMS data updated October 2, 2026).

  • Good Samaritan Hospital Corvallis380 clinicians in the group

Specialties

Find other clinicians: Clinical Psychologist, Oregon →

Other clinical psychologists in Corvallis

Clinicians with the same Medicare primary specialty in Corvallis, OR — not a recommendation.

All clinical psychologists in Corvallis →

Other clinicians in Good Samaritan Hospital Corvallis

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

Graduation year2015
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1619428950
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians