Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Sonnee Weedn, Ph.D., Professional Corporation

Community/Behavioral Health Agency in Novato, CA · enumerated 2012 · authorized official Sonnee Weedn, Owner.

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

National Provider Identifier

1164771879

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Registry record

Entity type Organization (Type 2)

Legal business name Sonnee Weedn, Ph.D., Professional Corporation

Practice address 3 Hamilton Lndg, Suite 230, Novato, CA, 94949

Phone (415) 883-7758

Fax (415) 883-8385

Enumeration date Sep 10, 2012

Last updated in NPPES Sep 10, 2012

Taxonomy & classification

251S00000X Community/Behavioral Health Agency Agencies · License PSY12188 (CA) Primary

Authorized official

Name Sonnee Weedn

Title Owner

Phone (415) 883-7758

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

Who is the authorized official for Sonnee Weedn, Ph.D., Professional Corporation?

NPPES lists Sonnee Weedn (Owner) as the authorized official for this organization.

What is the NPI number for Sonnee Weedn, Ph.D., Professional Corporation?

The NPI for Sonnee Weedn, Ph.D., Professional Corporation is 1164771879, a Type 2 (organization) record in the CMS NPPES registry.

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Sonnee Weedn, Phd, A Professional Corporation Psychologist · Novato, CA NPI 1073939518

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-09-10.