Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Casey Sakai Williams

Certified Registered Nurse Anesthetist in St Petersburg, FL · enumerated 2024.

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

National Provider Identifier

1871321018

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Registry record

Entity type Individual (Type 1)

Name Casey Sakai Williams

Sex Female

Practice address 701 6th St S, St Petersburg, FL, 33701

Phone (727) 893-6288

Fax (727) 553-7861

Enumeration date Jul 22, 2024

Last updated in NPPES Mar 3, 2026

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License 207420 (LA) Secondary

367500000X Certified Registered Nurse Anesthetist Physician Assistants & Advanced Practice Nursing Providers · License APRN11045160 (FL) 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 Casey Williams?

The National Provider Identifier (NPI) for Casey Williams is 1871321018, a Type 1 (individual) record in the CMS NPPES registry.

Where does Casey Williams practice?

The practice location on file with NPPES is in St Petersburg, FL. 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 2026-03-03.