Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

CRITTENTON SERVICES
NPI 1699143545
Case Management in Fullerton, CA

Active since September 09, 2015
1400 N HARBOR BLVD STE 200, FULLERTON, CA 92835(714) 680-9000(714) 680-8207 Get Directions Write a Review

NPPES record last updated: October 6, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Crittenton Services NPPES

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

CRITTENTON SERVICES (NPI 1699143545) is a healthcare organization registered as a case management in Fullerton, California and active in the NPI registry since September 2015. The organization lists Natalie Nieva, Supervisor Mh, as its authorized official.

NPPES Registry Identity

NPI1699143545
Entity TypeOrganization
Primary Taxonomy251B00000X
Legal Business NameCRITTENTON SERVICES
Location Address1400 N HARBOR BLVD STE 200Fullerton, CA 92835-4145
Mailing AddressPo Box 919Fullerton, CA 92836-0919 · (714) 680-9000 · Fax (714) 680-8233
Fax(714) 680-8207
Organization SubpartNo
Authorized OfficialNatalie NievaSupervisor Mh · (714) 680-9000
Enumeration DateSeptember 9, 2015
Last NPPES UpdateOctober 6, 2026
NPPES CertifiedOctober 6, 2026
✔ NPI 1699143545 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCase ManagementAgencies
Taxonomy Code251B00000X
Definition
An organization that is responsible for providing case management services. The agency provides services which assist an individual in gaining access to needed medical, social, educational, and/or other services. Case management services may be used to locate, coordinate, and monitor necessary appropriate services. It may be used to encourage the use of cost-effective medical care by referrals to appropriate providers and to discourage over utilization of costly services. Case management may also serve to provide necessary coordination of non-medical services such as vocational rehabilitation, education, employment, when the services provided enable the individual to function at the highest level.
1400 N HARBOR BLVD STE 200, Fullerton, CA 92835

Other Providers at the Same Location NPPES 2

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

Foster Care Agency
1400 N HARBOR BLVD STE 200
FULLERTON, CA 92835
Residential Treatment Facility, Emotionally Disturbed Children
1400 N HARBOR BLVD STE 200
FULLERTON, CA 92835

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 Crittenton Services's NPI number?

The NPI number for Crittenton Services is 1699143545. It was assigned to this organization in the NPPES registry on September 9, 2015.

Where is Crittenton Services located?

Crittenton Services is located at 1400 N Harbor Blvd Ste 200, Fullerton, CA 92835. The listed phone number is (714) 680-9000.

What is Crittenton Services's specialty?

The primary specialty registered for this NPI is Case Management with taxonomy code 251B00000X.

When was this NPI record last updated?

The NPPES record for Crittenton Services was last updated on October 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.