Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Gwynn M Horsburgh, O.D.

Optometrist in Burlington, MA · enumerated 2006.

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

National Provider Identifier

1538251822

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Dr. Gwynn M Horsburgh

Credential O.D.

Sex Female

Practice address 41 Mall Rd, Lahey Clinic, Inc., Burlington, MA, 01805

Phone (781) 744-8000

Fax (781) 744-2540

Enumeration date Sep 28, 2006

Last updated in NPPES Oct 24, 2011

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License 3842 (MA) Primary

OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses. About the OD credential

Other identifiers

Identifier	Type	State	Issuer
0371271	Medicaid	MA	-
110017796A	Medicaid	MA	-

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 Gwynn Horsburgh?

The National Provider Identifier (NPI) for Gwynn Horsburgh is 1538251822, a Type 1 (individual) record in the CMS NPPES registry.

Where does Gwynn Horsburgh practice?

The practice location on file with NPPES is in Burlington, MA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-10-24.