Dr. Kathy O'Fallon, PSY.D.

Dr. Kathy O'Fallon is a Psychologist provider (Psychologist) practicing in Fallbrook, CA, registered in the NPPES registry with NPI 1851325567 since 2006. The credential PSYD stands for Doctor of Psychology.

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI	1851325567
Entity type	Individual (Type 1)
Name	Dr. Kathy O'Fallon
Credential	PSY.D.
Sex	Female
Practice address	Fallbrook, CA, 92028
Phone	8583426434
Enumeration date	2006-07-10
Last updated in NPPES	2021-06-01

Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

Taxonomy code	Specialty	Primary	License	State
103T00000X	Psychologist	Primary	PSY12194	CA

PSYD — Doctor of Psychology: A clinical doctorate in psychology focused on professional practice. About the PSYD credential

Copy-ready billing details

Provider: Kathy O'Fallon, PSY.D.
NPI: 1851325567
Taxonomy: 103T00000X (Psychologist)
Address: Fallbrook, CA, 92028

Other providers at this practice address

NPI	Name	Type	Specialty	Location
1063021418	Rachel Couch	Individual	Professional Counselor	Fallbrook, CA

Verify this record

Cross-check NPI 1851325567 against the authoritative CMS record: view Dr. Kathy O'Fallon on the official NPPES registry .

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.

Frequently asked questions

Where does Kathy O'Fallon practice?

The practice location on file with NPPES is in Fallbrook, CA. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Kathy O'Fallon?

The National Provider Identifier (NPI) for Kathy O'Fallon is 1851325567, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2021-06-01.