Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Gladys Smith, LISW

Q: What is the NPI number for Gladys Smith?

The National Provider Identifier (NPI) for Gladys Smith is 1598126492, a Type 1 (individual) record in the CMS NPPES registry.

Clinical Social Worker in Sioux City, IA · enumerated 2016.

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

National Provider Identifier

1598126492

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Registry record

Entity type Individual (Type 1)

Name Gladys Smith

Credential LISW

Sex Female

Practice address 3500 W 4th St, Sioux City, IA, 51103

Phone (712) 226-1804

Fax (712) 293-4804

Enumeration date Mar 19, 2016

Last updated in NPPES Mar 19, 2016

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 03788 (IA) 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 Gladys Smith?

The National Provider Identifier (NPI) for Gladys Smith is 1598126492, a Type 1 (individual) record in the CMS NPPES registry.

Where does Gladys Smith practice?

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

Other providers at this practice address

Browse all →

Lori Mckinlay Clinical Social Worker · Sioux City, IA NPI 1932561701 Carolyn Goodwin Addiction (Substance Use Disorder) Counselor · Sioux City, IA NPI 1083076301 Jill Blake Addiction (Substance Use Disorder) Counselor · Sioux City, IA NPI 1447601133 Laura Meyer Addiction (Substance Use Disorder) Counselor · Sioux City, IA NPI 1124559034 Audrey Baird Addiction (Substance Use Disorder) Counselor · Sioux City, IA NPI 1083141766 Justin Sininger Addiction (Substance Use Disorder) Counselor · Sioux City, IA NPI 1194203943 Kelsey Bauer Psychiatric/Mental Health Nurse Practitioner · Sioux City, IA NPI 1114681889 Theodore Hostikka Addiction (Substance Use Disorder) Counselor · Sioux City, IA NPI 1013644137

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-03-19.