Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Vivienne Therese Kong, OD
Optometrist in Chelmsford, MA · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1366434441
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Registry record
Entity type Individual (Type 1)
Name Vivienne Therese Kong
Credential OD
Sex Female
Practice address 19 Village Sq, Chelmsford, MA, 01824
Phone (978) 256-5600
Fax (978) 703-0250
Enumeration date Aug 16, 2005
Last updated in NPPES Nov 14, 2007
Taxonomy & licenses
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 |
|---|---|---|---|
| 0354228 | 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.
Frequently asked questions
Where does Vivienne Kong practice?
The practice location on file with NPPES is in Chelmsford, MA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Vivienne Kong?
The National Provider Identifier (NPI) for Vivienne Kong is 1366434441, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Bruce Bunker Optometrist · Chelmsford, MA NPI 1750386835 John Constantine Ophthalmology Physician · Chelmsford, MA NPI 1437157765 David Tracy Ophthalmology Physician · Chelmsford, MA NPI 1225020316 David Yi Ophthalmology Physician · Chelmsford, MA NPI 1003808197 Massachusetts Eye Associates PC Ophthalmology Physician · Chelmsford, MA NPI 1912999095 David Perkins Ophthalmology Physician · Chelmsford, MA NPI 1154313245 Glen Bolliger Ophthalmology Physician · Chelmsford, MA NPI 1568455897 Jennifer Calnan Pediatric Optometrist · Chelmsford, MA NPI 1508076027
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-11-14.