Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Clifton A Smith

Child & Adolescent Psychiatry Physician in Weldon Spring, MO · enumerated 2007.

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

National Provider Identifier

1649325390

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Registry record

Entity type Individual (Type 1)

Name Dr. Clifton A Smith

Sex Male

Practice address 5931 S Highway 94, Weldon Spring, MO, 63304

Phone (636) 441-7300

Fax (636) 477-6001

Enumeration date Jan 24, 2007

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

2084P0804X Child & Adolescent Psychiatry Physician Allopathic & Osteopathic Physicians · License 111809 (MO) 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.

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Frequently asked questions

What is the NPI number for Clifton Smith?

The National Provider Identifier (NPI) for Clifton Smith is 1649325390, a Type 1 (individual) record in the CMS NPPES registry.

Where does Clifton Smith practice?

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

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