DR. OSCAR A DONOSO PHD, LP
NPI 1801025879
Psychologist - Clinical in Orange, CA

Active since July 10, 2009PECOS EnrolledAccepts Medicare Assignment
701 S PARKER ST STE 2800, ORANGE, CA 92868(925) 282-1778 Get Directions Write a Review

NPPES record last updated: July 14, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 11, 2025, May 13, 2024, Jun 27, 2016 and 1 more (4 updates tracked since 2016).

About Dr. Oscar A Donoso Phd, Lp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. OSCAR A DONOSO PHD, LP (NPI 1801025879) is an individual clinical provider in Orange, California, licensed in California (24553) and active in the NPI registry since July 2009. He is enrolled in Medicare PECOS and is a graduate of Other (2010).

NPPES Registry Identity

NPI1801025879
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameDR. OSCAR A DONOSOCredential: PHD, LP
Location Address701 S PARKER ST STE 2800Orange, CA 92868-4720
Mailing Address701 S Parker St Ste 2800Orange, CA 92868-4720
Sole ProprietorNo
Medical School CMSOtherGraduated 2010
Enumeration DateJuly 10, 2009
Last NPPES UpdateJuly 14, 20254 updates tracked since enumeration
NPPES CertifiedJuly 14, 2025
NPI 1801025879 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License Licensed in CA · 24553
Definition

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

701 S PARKER ST STE 2800, Orange, CA 92868

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Oscar A Donoso Phd, Lp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9335674027
PECOS Enrollment IDI20241118002980
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92868 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$187.60 typical visit price
range $62.96 – $187.60
Typical copayment $46.90 (range $15.74 – $46.90)
Most-billed visit code 99205
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 16

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Social Worker (Clinical)
701 S PARKER ST STE 2800
ORANGE, CA 92868
Social Worker (Clinical)
701 S PARKER ST STE 2800
ORANGE, CA 92868
Marriage & Family Therapist
701 S PARKER ST STE 2800
ORANGE, CA 92868
Marriage & Family Therapist
701 S PARKER ST STE 2800
ORANGE, CA 92868
Psychologist (Clinical)
701 S PARKER ST STE 2800
ORANGE, CA 92868
Nurse Practitioner (Psychiatric/Mental Health)
701 S PARKER ST STE 2800
ORANGE, CA 92868
Nurse Practitioner (Psychiatric/Mental Health)
701 S PARKER ST STE 2800
ORANGE, CA 92868
Nurse Practitioner (Psychiatric/Mental Health)
701 S PARKER ST STE 2800
ORANGE, CA 92868

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Oscar Donoso's NPI number?

The NPI number for Oscar Donoso is 1801025879. It was assigned to this individual provider in the NPPES registry on July 10, 2009.

Where is Oscar Donoso located?

Oscar Donoso practices at 701 S Parker St Ste 2800, Orange, CA 92868. The listed phone number is (925) 282-1778.

What is Oscar Donoso's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Oscar Donoso enrolled in Medicare?

Yes. Oscar Donoso is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Oscar Donoso was last updated on July 14, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.