Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

William Joseph Horgan, D.D.S

Dentist in Brighton, MA · enumerated 2006.

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

National Provider Identifier

1932297900

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Registry record

Entity type Individual (Type 1)

Name William Joseph Horgan

Credential D.D.S

Sex Male

Practice address 495 Western Ave, Brighton, MA, 02135

Phone (617) 783-0500

Fax (617) 987-8222

Enumeration date Oct 11, 2006

Last updated in NPPES Oct 12, 2015

Taxonomy & licenses

122300000X Dentist Dental Providers · License 14586 (MA) Primary

DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS credential

Other identifiers

Identifier	Type	State	Issuer
14586	Other	MA	DELTA DENTAL
X11131	Other	MA	BCBS

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 William Horgan?

The National Provider Identifier (NPI) for William Horgan is 1932297900, a Type 1 (individual) record in the CMS NPPES registry.

Where does William Horgan practice?

The practice location on file with NPPES is in Brighton, MA. 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 2015-10-12.