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

Silvia None Davidson

Hearing and Speech Clinic/Center in Sun City, AZ · enumerated 2020.

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

National Provider Identifier

1669097366

Verified

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Registry record

Entity type Individual (Type 1)

Name Silvia None Davidson

Sex Female

Practice address Sun City, AZ, 85351

Phone (623) 972-1880

Enumeration date Jun 9, 2020

Last updated in NPPES Jun 9, 2020

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

Taxonomy & licenses

261QH0700X Hearing and Speech Clinic/Center Ambulatory Health Care Facilities · License 1130 (AZ) Primary

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 Silvia Davidson?

The National Provider Identifier (NPI) for Silvia Davidson is 1669097366, a Type 1 (individual) record in the CMS NPPES registry.

Where does Silvia Davidson practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-06-09.