Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Darrell R. Ni, O.D.

Q: What is the NPI number for Darrell Ni?

The National Provider Identifier (NPI) for Darrell Ni is 1396974861, a Type 1 (individual) record in the CMS NPPES registry.

Optometrist in Clifton Park, NY · enumerated 2009.

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

National Provider Identifier

1396974861

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Registry record

Entity type Individual (Type 1)

Name Darrell R. Ni

Credential O.D.

Sex Male

Practice address 1549 Route 9, Vision Center, Clifton Park, NY, 12065

Phone (518) 373-5756

Enumeration date Jul 6, 2009

Last updated in NPPES Mar 21, 2011

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License 007442 (NY) Primary

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.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Darrell Ni practice?

The practice location on file with NPPES is in Clifton Park, NY. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Darrell Ni?

The National Provider Identifier (NPI) for Darrell Ni is 1396974861, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-03-21.