Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Andrew James Di Mattina, O.D.
Optometrist in Nashua, NH · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1346286879
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Registry record
Entity type Individual (Type 1)
Name Dr. Andrew James Di Mattina
Credential O.D.
Sex Male
Practice address 262 Main Dunstable Rd, Nashua, NH, 03062
Phone (603) 598-1620
Enumeration date Jun 22, 2006
Last updated in NPPES Apr 22, 2014
Taxonomy & licenses
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD credential
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 Andrew Di Mattina practice?
The practice location on file with NPPES is in Nashua, NH. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Andrew Di Mattina?
The National Provider Identifier (NPI) for Andrew Di Mattina is 1346286879, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Medicine World Inc Community/Retail Pharmacy · Nashua, NH NPI 1942395934 Mark C. Steadman & Assoc'S Optometrist · Nashua, NH NPI 1679893598 Patricia Daldine Optometrist · Nashua, NH NPI 1578902292 Christopher Daldine Optometrist · Nashua, NH NPI 1467893149 Eye 2 Eye Pllc Optometrist · Nashua, NH NPI 1902250038 Dianna Dumont Pharmacist · Nashua, NH NPI 1982294823
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-04-22.