Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Geraldine Chandra Martin, OD
Optometrist in Everett, MA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1720292204
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Registry record
Entity type Individual (Type 1)
Name Dr. Geraldine Chandra Martin
Credential OD
Sex Female
Practice address 2 Mystic View Road, Everett, MA, 02149
Phone (617) 544-4804
Fax (617) 544-4830
Enumeration date May 10, 2007
Last updated in NPPES Jul 8, 2007
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
What is the NPI number for Geraldine Martin?
The National Provider Identifier (NPI) for Geraldine Martin is 1720292204, a Type 1 (individual) record in the CMS NPPES registry.
Where does Geraldine Martin practice?
The practice location on file with NPPES is in Everett, MA. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.