Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Sandra M Wasserman, PPS, LCSW

Clinical Social Worker in Danville, CA · enumerated 2025.

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

National Provider Identifier

1275414534

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Registry record

Entity type Individual (Type 1)

Name Ms. Sandra M Wasserman

Credential PPS, LCSW

Sex Female

Practice address 3131 Stone Valley Rd, Danville, CA, 94526

Phone (925) 552-5530

Enumeration date Sep 11, 2025

Last updated in NPPES Sep 11, 2025

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers Primary

LCSW · Licensed Clinical Social Worker: A social worker licensed for clinical practice including mental-health therapy. About the LCSW credential

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 Sandra Wasserman?

The National Provider Identifier (NPI) for Sandra Wasserman is 1275414534, a Type 1 (individual) record in the CMS NPPES registry.

Where does Sandra Wasserman practice?

The practice location on file with NPPES is in Danville, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-11.