MARI VON OSTEN PIAZZISI
NPI 1124979612
Psychologist - School in Chico, CA

Active since February 09, 2026
242 W 12TH AVE, CHICO, CA 95926(530) 588-5027 Get Directions Write a Review

NPPES record last updated: February 9, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mari Von Osten Piazzisi NPPES

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

MARI VON OSTEN PIAZZISI (NPI 1124979612) is an individual school provider in Chico, California and active in the NPI registry since February 2026.

NPPES Registry Identity

NPI1124979612
Entity TypeIndividual
Primary Taxonomy103TS0200X
Provider Legal NameMARI VON OSTEN PIAZZISI
Location Address242 W 12TH AVEChico, CA 95926-2129
Mailing Address242 W 12th AveChico, CA 95926-2129
Sole ProprietorYes
Enumeration DateFebruary 9, 2026
NPPES CertifiedFebruary 9, 2026
NPI 1124979612 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologist · SchoolBehavioral Health & Social Service Providers
Taxonomy Code103TS0200X
Definition
A psychologist whose specialty is concerned with the science and practice of psychology with children, youth, families; learners of all ages; and the schooling process. The basic education and training of school psychologists prepares them to provide a range of psychological diagnosis, assessment, intervention, prevention, health promotion, and program development and evaluation services with a special focus on the developmental processes of children and youth within the context of schools, families and other systems. School psychologists are prepared to intervene at the individual and system level, and develop, implement, and evaluate preventive programs. In these efforts, they conduct ecologically valid assessments and intervene to promote positive learning environments within which children and youth from diverse backgrounds to ensure that all have equal access to effective educational and psychological services that promote healthy development
242 W 12TH AVE, Chico, CA 95926

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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 Mari Von Osten Piazzisi's NPI number?

The NPI number for Mari Von Osten Piazzisi is 1124979612. It was assigned to this individual provider in the NPPES registry on February 9, 2026.

Where is Mari Von Osten Piazzisi located?

Mari Von Osten Piazzisi practices at 242 W 12th Ave, Chico, CA 95926. The listed phone number is (530) 588-5027.

What is Mari Von Osten Piazzisi's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in School, with taxonomy code 103TS0200X.

When was this NPI record last updated?

The NPPES record for Mari Von Osten Piazzisi was last updated on February 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.