MS. COLLEEN NORA O'SULLIVAN
NPI 1649082025
Counselor - School in Eureka, CA

Active since January 23, 2025

NPPES record last updated: January 23, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Ms. Colleen Nora O'sullivan NPPES

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

MS. COLLEEN NORA O'SULLIVAN (NPI 1649082025) is an individual school provider in Eureka, California and active in the NPI registry since January 2025.

NPPES Registry Identity

NPI1649082025
Entity TypeIndividualFemale
Primary Taxonomy101YS0200X
Provider Legal NameMS. COLLEEN NORA O'SULLIVAN
Location Address1820 6TH STEureka, CA 95501
Mailing Address901 Myrtle AvenueEureka, CA 95501-1219 · (707) 445-7000 · Fax (707) 445-7143
Sole ProprietorNo
Enumeration DateJanuary 23, 2025
NPI 1649082025 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyCounselor · SchoolBehavioral Health & Social Service Providers
Taxonomy Code101YS0200X
1820 6TH ST, Eureka, CA 95501

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 (School)
1820 6TH ST
EUREKA, CA 95501

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 Colleen O'sullivan's NPI number?

The NPI number for Colleen O'sullivan is 1649082025. It was assigned to this individual provider in the NPPES registry on January 23, 2025.

Where is Colleen O'sullivan located?

Colleen O'sullivan practices at 1820 6th St, Eureka, CA 95501. The listed phone number is (707) 445-7108.

What is Colleen O'sullivan's specialty?

The primary specialty registered for this NPI is Counselor, specializing in School, with taxonomy code 101YS0200X.

When was this NPI record last updated?

The NPPES record for Colleen O'sullivan was last updated on January 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.