Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Heidi Marie Flyg, O.D.

Optometrist in Palo Alto, CA · enumerated 2008.

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

National Provider Identifier

1891949830

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Registry record

Entity type Individual (Type 1)

Name Heidi Marie Flyg

Credential O.D.

Sex Female

Practice address 3801 Miranda Avenue, Va Palo Alto Health Care System (640/112), Palo Alto, CA, 94304

Phone (650) 493-5000

Fax (650) 496-2529

Enumeration date Nov 4, 2008

Last updated in NPPES Sep 28, 2011

Taxonomy & licenses

152WL0500X Low Vision Rehabilitation Optometrist Eye and Vision Services Providers · License 13437 (CA) Secondary

152W00000X Optometrist Eye and Vision Services Providers · License 13437 (CA) Primary

152W00000X Optometrist Eye and Vision Services Providers · License 2754 (CO) 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.

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Frequently asked questions

What specialty is Heidi Flyg?

Heidi Flyg is registered in NPPES with the primary taxonomy of Optometrist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-09-28.