Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Tiffany Lauren Chan, O.D.

Q: What is the NPI number for Tiffany Chan?

The National Provider Identifier (NPI) for Tiffany Chan is 1528374246, a Type 1 (individual) record in the CMS NPPES registry.

Low Vision Rehabilitation Optometrist in Grass Valley, CA · enumerated 2010 · practices at Gerald D. Chan, O.D. & Lisa E. Moon, O.D..

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

National Provider Identifier

1528374246

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Registry record

Entity type Individual (Type 1)

Name Dr. Tiffany Lauren Chan

Credential O.D.

Sex Female

Practice address 360 Sierra College Dr, Suite 100, Grass Valley, CA, 95945

Phone (530) 273-3190

Enumeration date Aug 19, 2010

Last updated in NPPES Jan 6, 2026

Taxonomy & licenses

152WL0500X Low Vision Rehabilitation Optometrist Eye and Vision Services Providers · License TA2240 (MD) Secondary

152WL0500X Low Vision Rehabilitation Optometrist Eye and Vision Services Providers · License 14113 (CA) 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
1528374246	Medicaid	CA	-
044779000	Medicaid	MD	-

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

What is the NPI number for Tiffany Chan?

The National Provider Identifier (NPI) for Tiffany Chan is 1528374246, a Type 1 (individual) record in the CMS NPPES registry.

Where does Tiffany Chan practice?

The practice location on file with NPPES is in Grass Valley, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Gerald Chan Optometrist · Grass Valley, CA NPI 1275525644 Jon Pritchett Family Medicine Physician · Grass Valley, CA NPI 1275554867 Gerald D. Chan, O.D. & Lisa E. Moon, O.D. Optometrist · Grass Valley, CA NPI 1538264601 Donna Murtaugh Adult Health Nurse Practitioner · Grass Valley, CA NPI 1225335920 Monica Rodriguez-Bayes Optometrist · Grass Valley, CA NPI 1952856122

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-01-06.