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OLIVIA STEPHANIE AGGAS ADTSIII
NPI 1124286638
Counselor - Addiction (Substance Use Disorder) in Ventura, CA

Active since May 30, 2008
5740 RALSTON ST STE 200, VENTURA, CA 93003(805) 662-1774 Get Directions Write a Review

NPPES record last updated: March 10, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 10, 2025, Mar 3, 2025 (2 updates tracked since 2025).

About Olivia Stephanie Aggas Adtsiii NPPES

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

OLIVIA STEPHANIE AGGAS ADTSIII (NPI 1124286638) is an individual addiction (substance use disorder) provider in Ventura, California, licensed in California (7957) and active in the NPI registry since May 2008.

NPPES Registry Identity

NPI1124286638
Entity TypeIndividualFemale
Primary Taxonomy101YA0400X
Provider Legal NameOLIVIA STEPHANIE AGGASCredential: ADTSIII
Location Address5740 RALSTON ST STE 200Ventura, CA 93003-6009
Mailing Address5740 Ralston St Ste 200Ventura, CA 93003-6009 · (805) 662-1774
Phone(805) 662-1774
Sole ProprietorNo
Enumeration DateMay 30, 2008
Last NPPES UpdateMarch 10, 20252 updates tracked since enumeration
NPPES CertifiedMarch 3, 2025
✔ NPI 1124286638 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
License✔ Licensed in CA · 7957
5740 RALSTON ST STE 200, Ventura, CA 93003
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Other Providers at the Same Location NPPES 20

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

MR. EMILIO ALEJANDRO CORTEZ I
Case Manager/Care Coordinator
5740 RALSTON ST STE 200
VENTURA, CA 93003
Ventura County (805) 289-3203
RHONDA FLEISCHER
Licensed Psychiatric Technician
5740 RALSTON ST STE 200
VENTURA, CA 93003
Ventura County (805) 289-3198
MS. AMBER N CASTILLO
Peer Specialist
5740 RALSTON ST STE 200
VENTURA, CA 93003
Ventura County (805) 981-5470
NANCY MENDOZA
Case Manager/Care Coordinator
5740 RALSTON ST STE 200
VENTURA, CA 93003
Ventura County (805) 289-3203
MS. CHRISTINA SANCHEZ
Case Manager/Care Coordinator
5740 RALSTON ST STE 200
VENTURA, CA 93003
Ventura County (805) 775-7441
BRITTNEY LONG
Marriage & Family Therapist
5740 RALSTON ST STE 200
VENTURA, CA 93003
Ventura County (805) 765-7088
LUCY MORALES
Rehabilitation Practitioner
5740 RALSTON ST STE 200
VENTURA, CA 93003
Ventura County (805) 289-3172
MS. DEVENA WILSON-TAYLOR
Social Worker
5740 RALSTON ST STE 200
VENTURA, CA 93003
Ventura County (805) 289-3170

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 Olivia Aggas's NPI number?

The NPI number for Olivia Aggas is 1124286638. It was assigned to this individual provider in the NPPES registry on May 30, 2008.

Where is Olivia Aggas located?

Olivia Aggas practices at 5740 Ralston St Ste 200, Ventura, CA 93003. The listed phone number is (805) 662-1774.

What is Olivia Aggas's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for Olivia Aggas was last updated on March 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.