Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Carson Day, OD
Optometrist in Fort Gratiot, MI · enumerated 2021.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1285204339
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Registry record
Entity type Individual (Type 1)
Name Carson Day
Credential OD
Sex Female
Practice address 3957 24th Ave, Fort Gratiot, MI, 48059
Phone (810) 984-5005
Fax (810) 984-2423
Enumeration date Jun 30, 2021
Last updated in NPPES Jul 1, 2022
Taxonomy & licenses
390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary
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 Carson Day practice?
The practice location on file with NPPES is in Fort Gratiot, MI. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Carson Day?
The National Provider Identifier (NPI) for Carson Day is 1285204339, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-07-01.