Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Illume Psychology Incorporated

Q: What is the NPI number for Illume Psychology Incorporated?

The NPI for Illume Psychology Incorporated is 1952070252, a Type 2 (organization) record in the CMS NPPES registry.

Clinical Child & Adolescent Psychologist in Petaluma, CA · enumerated 2021 · authorized official Larissa Laska-Ruebusch, President.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1952070252

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Registry record

Entity type Organization (Type 2)

Legal business name Illume Psychology Incorporated

Practice address 245 Kentucky Street, Suite A, Petaluma, CA, 94952

Phone (707) 216-1612

Enumeration date Sep 9, 2021

Last updated in NPPES Sep 9, 2021

Taxonomy & classification

103TC2200X Clinical Child & Adolescent Psychologist Behavioral Health & Social Service Providers Primary

Authorized official

Name Larissa Laska-Ruebusch

Title President

Phone (707) 216-1612

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Illume Psychology Incorporated?

The NPI for Illume Psychology Incorporated is 1952070252, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Illume Psychology Incorporated?

NPPES lists Larissa Laska-Ruebusch (President) as the authorized official for this organization.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-09-09.