Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Naomi Elizabeth Silber, MD

Specialist in Santa Cruz, CA · enumerated 2006.

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

National Provider Identifier

1134133176

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Registry record

Entity type Individual (Type 1)

Name Naomi Elizabeth Silber

Credential MD

Sex Female

Practice address 1156 High St, Santa Cruz, CA, 95064

Phone (831) 459-2211

Fax (831) 459-3546

Enumeration date Jul 27, 2006

Last updated in NPPES Apr 24, 2025

Taxonomy & licenses

174400000X Specialist Other Service Providers · License A74251 (CA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD 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

What specialty is Naomi Silber?

Naomi Silber is registered in NPPES with the primary taxonomy of Specialist. 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 2025-04-24.