NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Daisy Mayer, LCSW, PPSC

Clinical Social Worker in Santa Clara, CA · enumerated 2024.

Data current as of Jul 11, 2026 · sourced from CMS NPPES

National Provider Identifier

1467278564

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Daisy Mayer
Credential LCSW, PPSC
Sex Female
Practice address Santa Clara, CA, 95054
Phone (323) 205-7088
Enumeration date Nov 23, 2024
Last updated in NPPES Feb 14, 2025

Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 126078 (CA) 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 Daisy Mayer?
The National Provider Identifier (NPI) for Daisy Mayer is 1467278564, a Type 1 (individual) record in the CMS NPPES registry.
Where does Daisy Mayer practice?
The practice location on file with NPPES is in Santa Clara, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2025-02-14.