Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Floyd Irvine Sandlin III, DDS

Periodontics in Great Lakes, IL · enumerated 2006.

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

National Provider Identifier

1619948858

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Registry record

Entity type Individual (Type 1)

Name Dr. Floyd Irvine Sandlin III

Credential DDS

Sex Male

Practice address 3001 6th St, Great Lakes, IL, 60088

Phone (847) 688-2100

Enumeration date Jan 27, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

1223P0300X Periodontics Dental Providers · License 11006 (MD) Primary

DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS 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 Floyd Sandlin?

The National Provider Identifier (NPI) for Floyd Sandlin is 1619948858, a Type 1 (individual) record in the CMS NPPES registry.

Where does Floyd Sandlin practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.