DR. NATHAN PARK FARREY PSYD
NPI 1104719996
Psychologist - Clinical in Fullerton, CA

Active since May 30, 2025Opted out of Medicare · through Mar 22, 2027
110 E WILSHIRE AVE STE G4, FULLERTON, CA 92832(657) 341-2598 Get Directions Write a Review

NPPES record last updated: June 30, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jun 30, 2025, May 30, 2025 (2 updates tracked since 2025).

About Dr. Nathan Park Farrey Psyd NPPES

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

DR. NATHAN PARK FARREY PSYD (NPI 1104719996) is an individual clinical provider in Fullerton, California, licensed in California (34067) and active in the NPI registry since May 2025. He has opted out of Medicare through March 22, 2027.

NPPES Registry Identity

NPI1104719996
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameDR. NATHAN PARK FARREYCredential: PSYD
Location Address110 E WILSHIRE AVE STE G4Fullerton, CA 92832-1960
Mailing Address110 E Wilshire Ave Ste G4Fullerton, CA 92832-1960
Sole ProprietorYes
Enumeration DateMay 30, 2025
Last NPPES UpdateJune 30, 20252 updates tracked since enumeration
NPPES CertifiedJune 30, 2025
NPI 1104719996 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 · 34067
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.
110 E WILSHIRE AVE STE G4, Fullerton, CA 92832

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Opted out of Medicare

Dr. Nathan Park Farrey Psyd has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from March 22, 2023 through March 22, 2027.

Opt-Out Effective DateMarch 22, 2023
Opt-Out In Effect ThroughMarch 22, 2027Opt-out affidavits renew automatically every two years unless cancelled

Other Providers at the Same Location NPPES

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

Psychologist (Clinical)
110 E WILSHIRE AVE STE G4
FULLERTON, CA 92832

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 Nathan Farrey's NPI number?

The NPI number for Nathan Farrey is 1104719996. It was assigned to this individual provider in the NPPES registry on May 30, 2025.

Where is Nathan Farrey located?

Nathan Farrey practices at 110 E Wilshire Ave Ste G4, Fullerton, CA 92832. The listed phone number is (657) 341-2598.

What is Nathan Farrey's specialty?

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

Is Nathan Farrey enrolled in Medicare?

No. Nathan Farrey has opted out of Medicare through March 22, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Nathan Farrey was last updated on June 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.