Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Nina J Sera, OD

Q: What is the NPI number for Nina Sera?

The National Provider Identifier (NPI) for Nina Sera is 1851553549, a Type 1 (individual) record in the CMS NPPES registry.

Optometrist in Fond Du Lac, WI · enumerated 2008.

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

National Provider Identifier

1851553549

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Registry record

Entity type Individual (Type 1)

Name Dr. Nina J Sera

Credential OD

Sex Female

Practice address 421 Camelot Dr, Fond Du Lac, WI, 54935

Phone (920) 926-8472

Fax (920) 926-8391

Enumeration date Jun 25, 2008

Last updated in NPPES Oct 21, 2020

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License 3135 (WI) 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
200904360	Medicaid	IN	-

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

Where does Nina Sera practice?

The practice location on file with NPPES is in Fond Du Lac, WI. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Nina Sera?

The National Provider Identifier (NPI) for Nina Sera is 1851553549, 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 2020-10-21.