Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Martha G Phillips, MSSW

Psychologist in Madison, WI · enumerated 2006.

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

National Provider Identifier

1184664815

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Registry record

Entity type Individual (Type 1)

Name Ms. Martha G Phillips

Credential MSSW

Sex Female

Practice address 7633 Ganser Way, Ste 204, Madison, WI, 53719

Phone (608) 829-1800

Fax (608) 829-1885

Enumeration date Jun 8, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

103T00000X Psychologist Behavioral Health & Social Service Providers · License 196123 (WI) Primary

Other identifiers

Identifier	Type	State	Issuer
39567000	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.

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Frequently asked questions

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Martha Phillips?

Martha Phillips is registered in NPPES with the primary taxonomy of Psychologist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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