Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Lisa W Bywater, M.S.

Q: What is the NPI number for Lisa Bywater?

The National Provider Identifier (NPI) for Lisa Bywater is 1912045402, a Type 1 (individual) record in the CMS NPPES registry.

Speech-Language Pathologist in West Hartford, CT · enumerated 2007.

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

National Provider Identifier

1912045402

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Registry record

Entity type Individual (Type 1)

Name Mrs. Lisa W Bywater

Credential M.S.

Sex Female

Practice address 139 N Main St, West Hartford, CT, 06107

Phone (860) 570-2399

Enumeration date Feb 5, 2007

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

235Z00000X Speech-Language Pathologist Speech, Language and Hearing Service Providers · License 03378709 (CT) 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 Lisa Bywater?

The National Provider Identifier (NPI) for Lisa Bywater is 1912045402, a Type 1 (individual) record in the CMS NPPES registry.

Where does Lisa Bywater practice?

The practice location on file with NPPES is in West Hartford, CT. 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 2007-07-08.