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

MIA OLSON
NPI 1619866670
Counselor - Professional in Ventura, CA

Active since July 02, 2025
4880 MARKET ST, VENTURA, CA 93003(619) 278-0777 Get Directions Write a Review

NPPES record last updated: September 12, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Sep 12, 2026, Jul 28, 2026, Jul 22, 2026 and 1 more (4 updates tracked since 2025).

About Mia Olson NPPES

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

MIA OLSON (NPI 1619866670) is an individual professional provider in Ventura, California, licensed in California (APCC23688) and active in the NPI registry since July 2025. She maintains a secondary practice location in Escondido.

NPPES Registry Identity

NPI1619866670
Entity TypeIndividualFemale
Primary Taxonomy101YP2500X
Provider Legal NameMIA OLSON
Location Address4880 MARKET STVentura, CA 93003-7783
Mailing Address490 N Grape StEscondido, CA 92025-3079 · (760) 975-9939
Phone(619) 278-0777
Sole ProprietorNo
Enumeration DateJuly 2, 2025
Last NPPES UpdateSeptember 12, 20264 updates tracked since enumeration
NPPES CertifiedSeptember 12, 2026
✔ NPI 1619866670 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers
Taxonomy Code101YP2500X
License✔ Licensed in CA · APCC23688
Also ListedMarriage & Family TherapistTaxonomy 106H00000X
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
4880 MARKET ST, Ventura, CA 93003
Open in Google Maps ↗

Secondary Practice Location 1

Location 1490 N Grape StEscondido, CA 92025-3079 · Phone (760) 975-9939

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.

ILENA SERVIN BA
Behavior Technician
4880 MARKET ST
VENTURA, CA 93003
Ventura County (805) 644-7827
JOSE GARIBAY
Behavior Technician
4880 MARKET ST
VENTURA, CA 93003
Ventura County (805) 212-4072
MEGAN CHRISTINE PURDOME
Social Worker
4880 MARKET ST
VENTURA, CA 93003
Ventura County (805) 364-8521
MARK S AGUILAR
Behavior Technician
4880 MARKET ST
VENTURA, CA 93003
Ventura County (866) 600-7598
JOSE LUIS MORALES HERNANDEZ JR.
Behavior Technician
4880 MARKET ST
VENTURA, CA 93003
Ventura County (805) 277-1928
LAURA-RENEE MENDOZA LMFT
Marriage & Family Therapist
4880 MARKET ST
VENTURA, CA 93003
Ventura County (661) 947-9554
RAEGAN DELGADO BCABA
Behavior Analyst
4880 MARKET ST
VENTURA, CA 93003
Ventura County (805) 644-7827
DOMINIQUE LANISE DORSEY
Social Worker (Clinical)
4880 MARKET ST
VENTURA, CA 93003
Ventura County (866) 600-7598

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 Mia Olson's NPI number?

The NPI number for Mia Olson is 1619866670. It was assigned to this individual provider in the NPPES registry on July 2, 2025.

Where is Mia Olson located?

Mia Olson practices at 4880 Market St, Ventura, CA 93003. The listed phone number is (619) 278-0777.

What is Mia Olson's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

When was this NPI record last updated?

The NPPES record for Mia Olson was last updated on September 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 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.