Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Nancy L Haas, MS
Social Worker in Sparta, WI · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1902807423
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Registry record
Entity type Individual (Type 1)
Name Nancy L Haas
Credential MS
Sex Female
Practice address 218 W Main St, Sparta, WI, 54656
Phone (608) 269-1588
Enumeration date Aug 9, 2005
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 43584700 | Medicaid | WI | - |
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.
Frequently asked questions
Where does Nancy Haas practice?
The practice location on file with NPPES is in Sparta, WI. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Nancy Haas?
The National Provider Identifier (NPI) for Nancy Haas is 1902807423, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.