Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Emma Bonasera

Lactation Consultant (Non-RN) in San Jose, CA · enumerated 2019.

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

National Provider Identifier

1396384806

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Registry record

Entity type Individual (Type 1)

Name Emma Bonasera

Sex Female

Practice address San Jose, CA, 95118

Phone (408) 857-6148

Enumeration date Dec 31, 2019

Last updated in NPPES Dec 31, 2019

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

174N00000X Lactation Consultant (Non-RN) Other Service Providers · License L-17546 (CA) Primary

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 Emma Bonasera?

Emma Bonasera is registered in NPPES with the primary taxonomy of Lactation Consultant (Non-RN). 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.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-12-31.