Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Margaret Mar Williams, MS CCC SLP

Speech-Language Pathologist in Taylorsville, UT · enumerated 2006.

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

National Provider Identifier

1437223096

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Registry record

Entity type Individual (Type 1)

Name Margaret Mar Williams

Credential MS CCC SLP

Sex Female

Practice address 6246 S Redwood Road, Avalon Bennion Care Center, Taylorsville, UT, 84123

Phone (801) 969-1420

Fax (801) 955-2540

Enumeration date Nov 17, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

235Z00000X Speech-Language Pathologist Speech, Language and Hearing Service Providers · License 4950184-4102 (UT) Primary

Other identifiers

Identifier	Type	State	Issuer
D4215	Medicaid	UT	-

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 Margaret Williams?

The National Provider Identifier (NPI) for Margaret Williams is 1437223096, a Type 1 (individual) record in the CMS NPPES registry.

Where does Margaret Williams practice?

The practice location on file with NPPES is in Taylorsville, UT. 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.