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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

MS. KELLIE MARIE SIMPSON MS NP
NPI 1750358594
Nurse Practitioner in Fullerton, CA

Active since March 01, 2006
100 LAGUNA RD, SUITE 208, FULLERTON, CA 92835(714) 738-0800(714) 738-3758 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Ms. Kellie Marie Simpson Ms Np NPPES

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

MS. KELLIE MARIE SIMPSON MS NP (NPI 1750358594) is an individual nurse practitioner in Fullerton, California, licensed in California (3836) and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1750358594
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMS. KELLIE MARIE SIMPSONCredential: MS NP
Location Address100 LAGUNA RD, SUITE 208Fullerton, CA 92835-3633
Mailing Address100 Laguna Rd, Suite 208Fullerton, CA 92835-3633 · (714) 738-0800 · Fax (714) 738-3758
Phone(714) 738-0800
Fax(714) 738-3758
Sole ProprietorNo
Enumeration DateMarch 1, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1750358594 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in CA · 3836
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
100 LAGUNA RD, Fullerton, CA 92835
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Other Providers at the Same Location NPPES 6

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

PREFERRED SLEEP DIAGNOSTICS
Clinic/Center (Sleep Disorder Diagnostic)
100 LAGUNA RD, STE 205
FULLERTON, CA 92835
Orange County (714) 525-6500
JACK H FLORIN MD INC
Physician Assistant (Medical)
100 LAGUNA RD, SUITE 208
FULLERTON, CA 92835
Orange County (714) 738-0800
PREFERRED SLEEP SOLUTIONS
Clinic/Center (Sleep Disorder Diagnostic)
100 LAGUNA RD, 205
FULLERTON, CA 92835
Orange County (949) 278-3356
DR. HERCULES JOEL REAL D.D.S.
Dentist (General Practice)
100 LAGUNA RD, STE 202
FULLERTON, CA 92835
Orange County (714) 525-2888
MOHAMMAD ALI ZAREH DDS INC
Dentist
100 LAGUNA RD, SUITE 210
FULLERTON, CA 92835
Orange County (714) 526-3655
MR. JACK HUGH FLORIN MD
Psychiatry & Neurology (Neurology)
100 LAGUNA RD, STE 208
FULLERTON, CA 92835
Orange County (714) 738-0800

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 Kellie Simpson's NPI number?

The NPI number for Kellie Simpson is 1750358594. It was assigned to this individual provider in the NPPES registry on March 1, 2006.

Where is Kellie Simpson located?

Kellie Simpson practices at 100 Laguna Rd Suite 208, Fullerton, CA 92835. The listed phone number is (714) 738-0800.

What is Kellie Simpson's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

When was this NPI record last updated?

The NPPES record for Kellie Simpson was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 days 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.