Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Clinical Psychologist

Oscar A. Donoso, CP

Sees patients in Orange, CA · California

Summary

Oscar A. Donoso, CP is a clinical psychologist at 701 S Parker St, Suite 2800, Orange, CA 92868. Phone: (925) 282-1778. Accepts Medicare assignment. NPI 1801025879. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Clinical psychologist
  • Address: 701 S Parker St, Suite 2800, Orange, CA 92868 · Directions
  • Phone: (925) 282‑1778
  • Medicare: Accepts Medicare assignment
  • Group practice: Pacific Coast Psychiatric Associates Inc
  • School: graduated 2010
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Oscar A. Donoso, 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 Oscar A. Donoso accept Medicare assignment?
Yes. Medicare's clinician data says Oscar A. Donoso 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 Oscar A. Donoso's NPI number?
1801025879. 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 Oscar A. Donoso is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Oscar A. Donoso as a member of this group (CMS data updated October 2, 2026).

  • Pacific Coast Psychiatric Associates Inc662 clinicians in the group

Specialties

Find other clinicians: Clinical Psychologist, California →

Other clinical psychologists in Orange

Clinicians with the same Medicare primary specialty in Orange, CA — not a recommendation.

All clinical psychologists in Orange →

Other clinicians in Pacific Coast Psychiatric Associates Inc

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

Clinician information

CredentialCP
Graduation year2010
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1801025879
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