Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Nancy Jo Whitaker, LISW

Social Worker in Iowa City, IA · enumerated 2006 · practices at Systems Unlimited Inc..

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

National Provider Identifier

1407921828

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Registry record

Entity type Individual (Type 1)

Name Ms. Nancy Jo Whitaker

Credential LISW

Sex Female

Practice address 1519 S Gilbert St, Family Systems Therapy and Counseling Services, Iowa City, IA, 52240

Phone (319) 351-4415

Fax (319) 354-8956

Enumeration date Nov 21, 2006

Last updated in NPPES Oct 8, 2014

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License 06115 (IA) Primary

Other identifiers

Identifier	Type	State	Issuer
1407921828	Medicaid	IA	-

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 Nancy Whitaker?

The National Provider Identifier (NPI) for Nancy Whitaker is 1407921828, a Type 1 (individual) record in the CMS NPPES registry.

Where does Nancy Whitaker practice?

The practice location on file with NPPES is in Iowa City, IA. 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 2014-10-08.